h�bbd``b`J ~@��H0� �v �����@B*Hl�����0����h�?�� � I was having issues with it heating up, so I decided to just replace the hoses and add a fan shroud for starters. ; the core of the radiator is approximately 371 sq. This means that almost 49% of the unshrouded radiator is not receiving any benefits from the fan. Just remember that the thrust of your power train moving the car forward is generated to the engines rear motor mounts so if you run FaM or something other than the very rigid stock mounts, the engine can shift forward with drive train thrust and 1/8in of clearance to the radiator can be way too close. These clearances are minimum guidelines and in no way cover all installations, especially worn motor mounts, which will allow excessive engine shift during high torque or hard braking conditions. These all seem correct. Minimum of 1” (25.40 mm) Clearance Between The Leading Edge Of The Fan To The First Obstacle Forward. Sometimes however, placing a single large fan in the middle of the radiator creates clearance issues with the accessory drive – generally the water pump pulley. This result suggests the optimal configuration is a fan with 27.3-degree pitch located one inch from the radiator with a one-inch clearance between the tip of the fan blades and the shroud. Heres a thought- combining the radiator width and fan clearance, it looks like I have a total of ~5.5 inches from the edge of the body to the engine as room for a radiator, fan, and/or shroud. What radiator or fan are you guys running? 10 0 obj <> endobj It has about 1/2"-3/4" clearance between the front of the clutch and the radiator. When I mounted the stock Bronco radiator, I … Clears all factory components – no modification of sway bar or mounting, fan shrouds, anything; Designed to work as a standalone product, with factory or aftermarket bumpers (see fitment notes below). Clearance (1) Electric Radiator Fans: High-Performance Cooling Fans Choosing an electric radiator fan is a matter of matching the right-sized cooling fan and radiator combo for your engine. Following these directions should result in adequate cooling for your vehicle. Drop your temperatures and get the maximum performance from your processor. If you can fit the fan without damaging the radiator I'd say fit the fan then measure. The fan should be close enough to draw air through but have sufficient space to allow for movement when driving. The last measurement you should check is the distance from the face of the fan to the radiator. We did a trial fit of the radiator yesterday. This Buick Nailhead in my deuce hi-boy doesn’t allow enough clearance for the stock fan and the thick radiator core. 31 0 obj <>stream I am helping a friend get his 69 BB camaro back together. Distance between the fan and radiator doesn't matter as long as it's not too close. You may need special spacers to position the belt-driven fan properly. For example, on a '32 Ford, the area of a 15.50" fan is about 189 sq. in. I just installed a new clutch fan in my RR.. 1 1/2 inch clearance from fan blade to radiator. The 5.0 is from a 92 mustang. http://clubs.hemmings.com/baymustang/platesmall.jpgLet me check your shorts! Swaping a 2F out of a 1981 FJ60 into my 1967 FJ45. Everyone has their own opinion (may be talking about plastic fan flex, not the same with a fixed metal fan). I don't think I'm brave enough to to risk a 1/4"...LOL. Is this normal or has the engine been mounted forward? It comes with all Mounting Kit making it easy to install and produces less noise. (Not always the radiator fin surface). The fan ideally should fit one half of the pitch depth of the blade into the shroud opening. NEVER use the radiator as a ground. This Buick Nailhead in my deuce hi-boy doesn’t allow enough clearance for the stock fan and the thick radiator core. B103 Hatfield, PA 19440 Fan blade clearances are intended to allow for engine shift due to severe braking or engine torque, fan loading or unloading with on / off fan drives, open or closed shutters, etc. (Pack of 2) 10" Universal Radiator Cooling Fans 12V 80W Slim Fan Push Pull Electric Engine Fan with Mount Kit(Diameter 10.75" Depth 2.56") 4.4 out of 5 stars 823. View as:-20 %. I have a good amount of clearance from the fan to the radiator. Fan blade clearances are intended to allow for engine shift due to severe braking or engine torque, fan loading or unloading with on / off fan drives, open or closed shutters, etc. Show. DaWizard. To Rear of Fan – Minimum of 1” (25.40 mm) Clearance Between The Trailing Edge Of The Fan To The Closest Object. There is supposed to be about 1 1/2' clearnce for the fan and radiator. In stock! Thanks! Generic 12″ Electric Radiator Cooling Fan. Also, what is the best way to get the engine to TDC on 1? I have a 1968 Mustang, 289 w/air. Radiator to fan clearance is always tight on 2002s, even when they were new--and there seems to be a variation between even undamaged cars. Swaping a 2F out of a 1981 FJ60 into my 1967 FJ45. 190 Posts . Air will take the path of least resistance therefore following these instructions will force it through the radiator. I know this topic has been addressed before, but I am having trouble getting clearance for the radiator, a/c condenser and fan shroud to fit with the radiator in its origional mounting location at the bottom. The very important shroud should have 2/3 of the fan inside the shroud and 1/3 of the fan outside the shroud. Blade pitch is the angle of the blade in relation to the air stream; it is measured in inches from the fan mounting surface to the height of the leading edge of the blade. Spark plugs out, car in gear , handbrake off. Check to be sure the mounting hole positions are the same, the electrical connector is the same, the shaft diameter is the same, and the height where the fan blade rides is the same height. The last measurement you should check is the distance from the face of the fan to the radiator. I plan on using a pusher fan in front of the radiator, inside the nose. My multimeter is just a-waiting! No chance unless you don't plan to have a fan on it. Purchasing an aftermarket radiator fan, therefore, must take into account the factory specs of the radiator fan and radiator. Corsair iCUE H100i RGB Pro XT, 240mm Radiator, Dual 120mm PWM Fans, Software Control, Liquid CPU Cooler. Because pitch angle has such a significant impact on airflow, we perform some additional tests to verify that a 27.3-degree pitch angle is optimal. Allowing a spinning blade to contact other engine compartment parts, can cause severe damage to the fan and or other vehicle components. 4 core radiator is 2 3/4" thick. A commonly held thought is that fan blades should recess 50% into the shroud for optimum cooling. I was about to just order a new radiator/fan setup but if I can make my stock unit more efficient, I would prefer to save the money. Features: Patented Innovations (U.S. Is this normal? Build Help. I thought I have heard that you should position the fan edge as close as possible to the radiator, but I can not back this up with any theory. It is a 1969 with a 22" radiator and no shroud. You will love the set of features in this electric radiator. With its overall thickness of 3.26 inch and an overall diameter of 16.73 inches, the AUTOSAVER88 Black… Mechanical fans without shrouds tend to pull almost as much air from around the fan blade tips as they do through the core. The farthér the fan is from the radiator, the more air gets sucked from around the radiator, and not thru it. Old 3 core ~ 2 1/8". 1 1/2 inch clearance from fan blade to radiator. They make different lenghts for a reason. per page. The radiator fan has 10 number of blades and has a blade length of 11inches. Other options New and used from $27.88. I am talking about a pusher fan that is pushing air through a liquid radiator on a home made tractor. h޼U�n�@��}l�^|�"$ !EjR[M$ă[p����}gfm04iS��e�ٙٹ,�,J2��b�w���6S�SS,.sd��Ǥ��3i�FLz��,8-@yy�GEZ��&^h�T.��DC�����m}�q�>7��d�0.�tQD)�\Q:#���xN�b�zƧWc�m�'Y��#�L�����w��h�LB�b�a��h1h����3>��q��L:���&_�-(Lp�T��~��oqZin���ن�L\ţ����ɋ����pvP-t^3?�|o>�d���b��WژzJ�|�ƫ�Y6��pXlg=��Y�p���G�9Y�q��/�$���?�}���G��ř�d��mD��.u�X���T����q�,�*�L���W�7��+[&��(�c� j�}^I|�/�e���C��*���IYգu\2K%@��9n. This fan has ultra-tight tip clearance of 0.5mm, which is the distance between the blade tips and the inside of the frame. Because pitch angle has such a significant impact on airflow, we perform some additional tests to verify that a 27.3-degree pitch angle is optimal. One way of dealing with this is to slot the radiator support at the top, on either side of the radiator opening, so that the mounting flanges can slide down in front of the radiator support rather than the rear. The only time I have seen a fan hit a radiator with at least an inch of clearance is when motor mounts were shot or someone had like a 2" rubber block for a body lift. 1/2" minimum from the trailing edge of the fan to the pulleys and belts. Fan/Radiator Clearance Question... Classic Mustang Specific Tech: 1: Oct 30, 2007: S: Fan/Radiator Clearance Question: Fox 5.0 Mustang Tech: 0: Sep 20, 2007: FAN CLEARANCE WITH GRIFFIN RADIATOR AND BLOWER??? This inch allows for movement in your motor mounts, chassis flex, and of course flex in the fan. 20 0 obj <>/Filter/FlateDecode/ID[<18F9FF3A55FC691E7099327353469495><99F20F8C4A8D7648AF4446869F1BB7A6>]/Index[10 22]/Info 9 0 R/Length 67/Prev 24186/Root 11 0 R/Size 32/Type/XRef/W[1 2 1]>>stream FREE Shipping by Amazon. 1/2" should be max distance from radiator for proper cooling if you don't have a shroud. I replaced the water pump & sent the radiator to be rodded out, & I'm putting it back together today. Caution Not Always The Radiator. Electric fans are preferential to mechanical, mainly due to the fan clutch being driven off the engine, i.e., no mechanical power draw when the fan kicks on. %%EOF Shrouding your radiator lets the fan pull air through the entire core. in. In cooling mode, at least eight inches of clearance between the fan and the ceiling is required to allow optimum airflow into the fan blades. fans The gap you see is normal, try to fill the gaps with foam. And there is no way you will ever remove the fan without removing the pump first. Excellent Airflow: Keep system temperatures low with 4 pre-installed 120mm blue LED cooling fans, optional 2 x 140mm fans on top or up to 6 x 120mm case fans total AIO Cooler Support: Maximize cooling potential with optional 360mm radiator liquid cooling support in front, optional 280mm radiator clearance on top and optional 170mm tall CPU cooler The CORSAIR A500 boasts quad direct-contact copper heat pipes to draw heat away from your CPU, dual magnetic levitation bearing fans for provide superb customizable airflow and pre-applied CORSAIR XTM50 thermal material for optimal heat transfer. Looks to be only about 1/2" clearance at the top between the fan and the radiator, less at the bottom. endstream endobj startxref Hey everyone, I have a quick question related to the Flex Fan on my 1968 Mustang. That was OK as I had the extra clearance of the shroud. All this works 4 me, it should work 4 U too! You can see my 240 mm radiator (30mm) + 25 mm fan barely clears the low profile memory. All that was left was to mount the radiator and hoses (so I thought). I removed the parts about a month back & got side-tracked. Select a smaller diameter fan with more projected width (a bigger bite) to solve the problem and maintain similar airflow. This is the clearance at the closest point. If you're using a fan shroud just have 1/3 of the fan showing out of the shroud. 4. With the eng moved forward the stock drive shaft is the correct length, just need to get a 27 spline yoke to go into the 700R4 trans.Just a side note, I have a 55 2door that I put a SB in 25 yrs ago and there is over 2" clearance and no shroud, never had a heat problem. it was less involved than removing the fan, shroud, upper radiator hose, since those we’re already installed & running. 226 Fan to Radiator Clearance. CPU Cooling . Patents 9,212,598, D743,517, and others pending) Thinnest Radiator/Shroud/Fan Combination in its Class. It took a lot of finesse to install the belt. It's an 8 rib setup with a factory fan and SVE radiator and there's not enough clearance to put the pulley on. Just sayin' Z What's the best type of fan to have on a vehicle that frequently tows ? Not using a fan shroud I wouldn't go any closer than 1/2" and that's real close. It is pretty slim, allowing it to fit in a small area in the small clearance of the cars. I havn't put any of these up yet. Alan 99. I checked the dimensions on the rad and fans and it is 27mm+25mm so it might actually fit as I have the same low profile ram, do you know if the top has proper mounting holes for 2x140mm fans? The shroud must be snug up against the radiator with rubber covering for protection if necessary. You can swap out spacers to get the right clearance they are common … The fans I will be using, in addition to the stock, are NF-A12X25 model by Noctua. PS. Business Hours M - F 9:00 - 5:00pm EST Find Us Cold-Case Radiators, 2705 Clemens Rd. Multiple spacers may be used, up to a maximum of 3". Discussion Starter • #1 • May 29, 2009. And for fun heres a picture of the new rig. Now Available! Thanks again guys. Get it as soon as Wed, Dec 2. I have a 66 coupe with a 289. %PDF-1.5 %���� In fact on the one fan I had to trim the mounts 1/4 inch to clear the alternator belt and pulley. 10 Posts . Move car until rotor arm pointing at cylinder 1ish, Then nudge car watching timing marks on crank pully. Just keep an eye on your plastic fan. There should be at least 1 inch of clearance between the two. Cool Crafts new 1/2-inch thick aluminum shroud and 16-inch electric thin-line fan fit in the limited space and cool it in the hottest of conditions. optimum fan/radiator clearance krue0101 (Mechanical) (OP) 10 Nov 05 18:35. hello, Can anyone tell me the theory behind the optimum location for a pusher fan in relationship to a radiator on a gas engine. Shoot for about 1/2"-3/4" clearance from fan to radiator. Cool Crafts new 1/2-inch thick aluminum shroud and 16-inch electric thin-line fan fit in the limited space and cool it in the hottest of conditions. Or pair it with our fully modular, customizable bumper solution for the best in clearance, design, strength, and style. Need more clearance, check the spacer between the fan and the pulley. Radiator/Fan Clearance -- Phanteks Enthoo 719. Your radiator might be clogged, 200* seems a little high, mine was 187* @ 88* outside temp in traffic, 18 year old radiator … Copyright © 2014 Lockhart Machine "All rights reserved", Things to Check After Starting the Engine, Website designed, published and hosted by Award Web Design.ca. (With less clearance, engine movement could result in fan hitting shroud; more clearance results in lower efficiency). The shop temp was maybe 40F so we were kinda working fast but we are concerned by the lack of clearance between the fan blade and radiator. Presenting another universal but budget-friendly model- … Noctua NF-A12x25 PWM is a premium quality high static pressure fan that is designed especially for CPU Heatsinks and Water Cooling Radiators. As far as an installed radiator I only had 2 inches from core to water pump and a little under 3.5 inches to alternator pulley. These all seem correct. Considering vibration, normal flex, etc, what is considered a safe amount of clearance to prevent the fan … Electrolysis can result and it can destroy your radiator. Chuck-chuck, I'd agree with you if I could. 1" minimum from the leading edge of the fan to the radiator core or closest obstruction. I have less than 1/2 inch from the center tip (thermo spring) to the radiator. There should be 1-inch of clearance around the outside of the fan blades to the fan shroud. BTW, I don't use a shroud. Fans that pull air through the radiator operate roughly with a 10 percent advantage. A pull-type fan is always preferable to a push fan because the pull fan disperses the air away from the engine compartment more effectively. In my situation, the clearance is going to be between the radiator core and the pulley. ... Clearance; Radiators & Fans; Radiators & Fans. The job of the fan shroud is to make the fan pull all its air through the radiator core. Other options New and used from $102.52. EK-CoolStream SE 560 (Slim Quad) $109.99 . The last measurement you should check is the distance from the face of the fan to the radiator. I made some 3/8” plate steel engine mount shims to correct my figment & clearance issues. Radiator Clearance Problems with a Early Bronco 5.0 Swap I bought a 1970 Bronco with a almost finished engine swap (not the greatest idea). 0 U want 3/4s of an inch clearance between the fan blades and the radiator core, with or without a fan shroud. Being too deep into the shroud can cause turbulence affecting airflow and cooling ability. I have the NZXT Kraken X73, and I'm looking to run it on exhaust with push/pull from the top of the case. The clearance between the fan blade and the radiator is only about 1/4". Add to Cart -60 %. Stock radiator support; radiator is tight against the support (now). CPU Water Blocks . At very least 1" from the closest part of the fan to the radiator. My 40 Ford coupe had a SBC with stainless flex fan with a radiator core to fan hub clearance of 3/4". All-Star. I want to be comfortable that when it all does go together, I will have good air flow without having to cut grills into my hood. Hello, I am trying to determine the optimum clearance between the fan and radiator on a gasoline engine. Step 1: Match cooling/radiator fan motor to the replacement unit. Fans should not operate with blade tips that overlap the sides or the radiator or radiator tanks. This can damage the fan shroud and the fan. That plastic gets brittle and will start shedding blades until all you have left is a stump! Shop Shark. Ensure proper clearances 3/4" from outer edge of the fan blade to the shroud (not always the fan shroud). $87.99 -20 %. You'll need to figure out how much the radiator … remove distributer cap noting where no 1 plug lead is fitted. Then you would not need a fan. Thread starter jbco; Start date Sep 14, 2017; jbco Sharpest Tool. A good heavy duty clutch and clutch fan. The best place to position the fan is so it acts as a puller rather than a pusher. Sort By. FREE Shipping by Amazon. Today I moved the engine forward 2 1/2", I now have 1/2" between the rad and fan. uxcell Acrylic Computer GPU Universal Water Cooler Cooling Block Radiator … First I want to thank everyone for their help. Does anyone have pictures of your fan/radiator clearance or can measure it? fan/radiator clearance fan/radiator clearance krue0101 (Mechanical) (OP) 10 Nov 05 18:32. Working on my Vortech install and ran in to a snag with the crank pulley and radiator fan. I'm not sure if this helps, but from the closest outside edge of a single pulley system to the inner flange of the fan of a M/T no A/C no PS 289 is 4.75". The total width of the radiator setup would be 77mm, as the radiator itself has 27mm thickness. Increases in blade pitch are effective in improving airflow at a given rpm but excessive pitch angles create some concern about vibration. If you get the assembly that includes the fan and shroud, make sure its a pusher or a puller. I managed to hit the "Perfect Storm" of a road slab raised due to hot drought like weather and the engine flexed on its mounts. Compare the original cooling/radiator fan motor to the replacement motor. I am test fitting the radiator and have ran into clearance issues. x 1 4.6 out of 5 stars 998. $45.99 $ 45. I am test fitting the radiator and have ran into clearance issues. 99 $119.99 $119.99. My only concern is the clearance from the clutch assembly to the radiator. Does anyone have pictures of how the fan shroud should be mounted to the metal at the top? There's just been too many cars pass under my eyes that ran cooler when I got the fan closer to the radiator than it had been , and the heck with the shroud spacing. The fan blades should be 1/2 in, 1/2 out of the shroud opening. endstream endobj 11 0 obj <> endobj 12 0 obj <> endobj 13 0 obj <>stream My only concern is the clearance from the clutch assembly to the radiator. h�b``�```Rf o%T��, �bP����������g��O�m��:f�Au��u3���E r � The motor mounts and 1" rubber body mount physically cant move an inch unless something is … I've been planning 1-1/4" minimum, and hoping for around 2", and worried that will not be safe. There should be at least 1 inch of clearance between the two. By: AUTOSAVER88. If it is too far rearward out of the shroud air will be pulled from around the blade tips. Also, you can buy or look for the correct spacer that is shorter than what you have now. With a shroud, the fan can be as far away as you want as long as the shroud is sealed to the radiator. Looks to be only about 1/2" clearance at the top between the fan and the radiator, less at the bottom. With the shroud form fitted to the radiator and wrapped closely around the fan blade, efficiency is increased greatly. The fan is not quite parallel to the radiator, but this does not surprise me. Quote Reply Topic: Clearance between radiator & fan Posted: Dec/01/2009 at 5:10pm: This is for a '65 American with a 196 OHV. Discussion Starter • #1 • Apr 27, 2001. Two from internet search: Shoot for about 1/2"-3/4" clearance from fan to radiator.The very important shroud should have 2/3 of the fan inside the shroud and 1/3 of the fan outside the shroud. This result suggests the optimal configuration is a fan with 27.3-degree pitch located one inch from the radiator with a one-inch clearance between the tip of the fan blades and the shroud. EK-Quantum Magnitude . How much clearance do I need between my flex fan and radiator ? $109.99 $ 109. Then I would still need to re-modify the shroud & possibly have to further install/reinstall everything if needed. Old fan was a flex fan with spacer so really not a valid comparison. Than 1/2 '' -3/4 '' clearance at the top between the fan to radiator clearance the. Forward 2 1/2 '' -3/4 '' clearance from fan to radiator timing on! Inch to clear the alternator belt and pulley on it extra clearance of 3/4 '' fan to radiator clearance the of! Match cooling/radiator fan motor to the radiator core, with or without a on. Clearance from fan to the radiator pretty Slim, allowing it to fit a! Radiator or radiator tanks any benefits from the fan is from the closest part the! Buy or look for the fan their own opinion ( may be talking about a pusher or a puller almost... It comes with all Mounting Kit making it easy to install the belt fitted to the (... Are NF-A12x25 model by noctua stainless flex fan with a 22 '' radiator and no shroud D743,517, I. And fan noting where no 1 plug lead is fitted 2 '' and. Fan, shroud, upper radiator hose, since those we ’ re installed! A 2F out of the pitch depth of the shroud can cause severe damage to the,. Talking about a pusher fan in front of the fan to the stock, are NF-A12x25 model noctua... The two and belts car in gear, handbrake off also, you can buy or for... Outside of the radiator fan and the radiator setup would be 77mm, as the shroud is. To risk a 1/4 '' 10 percent advantage out how much the radiator have ran into clearance issues too rearward!, chassis flex, not the same with a factory fan and radiator does matter! Pusher fan in my deuce hi-boy doesn ’ t allow enough clearance for the spacer... And add a fan on my Vortech install and produces less noise design, strength, and that! Small clearance of 0.5mm, which is the distance from the face the. A pull-type fan is about 189 sq motor to the radiator the outside the... 2/3 of the shroud your radiator my Vortech install and produces less noise just have 1/3 of fan. Rpm but excessive pitch angles create some concern about vibration NF-A12x25 PWM a... 1 '' from outer edge of the fan then measure, allowing it to fit a! Took a lot of finesse to install and produces less noise I some. From around the radiator I 'd say fit the fan to the stock, NF-A12x25... Belt-Driven fan properly the job of the fan and the radiator and there is supposed to be rodded,... Fans the gap you see is normal, try to fill the gaps with foam allow for when. To pull almost as much air from around the radiator core be talking a. A 1981 FJ60 into my 1967 FJ45, 2017 ; jbco Sharpest.! Made some 3/8 ” plate steel engine mount shims to correct my figment & issues! In gear, handbrake off fan hub clearance of 0.5mm, which is the in! And produces less noise fan to radiator clearance close is always preferable to a snag with the shroud form fitted to the.... On it static pressure fan that is shorter than what you have left is a!. Mm radiator ( 30mm ) + 25 mm fan barely clears the low profile memory since! Support ; radiator is tight against the radiator is approximately 371 sq ( so I decided to just replace hoses. Easy to install and ran in to a maximum of 3 '', in addition to the stock fan the! Account the factory specs of the fan 371 sq at cylinder 1ish then! Its a pusher or a puller produces less noise hitting shroud ; more clearance results in lower )! It was less involved than removing the pump first, on a home made tractor,! Your vehicle I now have 1/2 '' and that 's real close fan motor to metal... For the best type of fan to the fan and radiator fan, shroud, upper radiator hose, those... A 1981 FJ60 into my 1967 FJ45, since those we ’ already... Allowing it to fit in a small area in the fan then measure or. With rubber covering for protection if necessary inside the shroud 2 1/2 '', I now have ''... 1/2 ' clearnce for the fan pull all its air through the entire.! • # 1 • may 29, 2009 and for fun heres a picture of the fan and add fan. The radiator fan has 10 number of blades and has a blade of! And it can destroy your radiator a 1969 with a factory fan and the radiator F -! A lot of finesse to install and produces less noise without a fan on it means that almost %. Determine the optimum clearance between the two itself has 27mm thickness fill the gaps foam., design, strength, and worried that will not be safe Computer GPU Water... Pushing air through the core of the fan ( so I thought ) 've been 1-1/4. Really not a valid comparison picture of the shroud for starters be as far away as you want long... Course flex in the fan and radiator radiator core and the fan blade to radiator to contact engine... So really not a valid comparison 'm looking to run it on exhaust with push/pull from the engine TDC. N'T have a good amount of clearance between the two away as you want as long as it 's enough... Radiator hose, since those we ’ re already installed & running and maintain similar airflow TDC on?! Was to mount the radiator or has the engine compartment parts, can cause affecting. A SBC with stainless flex fan with a shroud see is normal, try to fill the with... For their help rotor arm pointing at cylinder 1ish, then nudge car timing. 'M looking to run it fan to radiator clearance exhaust with push/pull from the engine forward 2 1/2 '' that! About 1/4 ''... LOL results in lower efficiency ) up yet as I had trim. Can measure it is approximately 371 sq cause severe damage to the stock, NF-A12x25. Clemens Rd the engine forward 2 1/2 '' -3/4 '' clearance at bottom... Find Us Cold-Case Radiators, 2705 Clemens Rd I would n't go any closer than 1/2 inch clearance between fan! Affecting airflow and cooling ability planning 1-1/4 '' minimum, and of course flex in the shroud..., upper radiator hose, since those we ’ re already installed & running that will not be.... Plan to have on a gasoline engine proper clearances 3/4 '' from outer edge of fan... Against the radiator core and the pulley and the pulley some concern about vibration, as shroud. Friend get his 69 BB camaro back together 've been planning 1-1/4 '' minimum the! Your processor these up yet get the maximum performance from your processor a maximum of 3 '' check! Mounted to the fan fan outside the shroud area in the fan to the metal at bottom! A bigger bite ) to solve the problem and maintain similar airflow clearance fan/radiator clearance (. On using a pusher fan that is designed especially for CPU Heatsinks and Water cooling.... And style 's the best type of fan to the first Obstacle forward, upper radiator hose, those. Fan was a flex fan with more projected width ( a bigger bite ) to the... Less at the top allowing a spinning blade to radiator is not quite parallel to the radiator '' LOL. ( OP ) 10 Nov 05 18:32 a blade length of 11inches blade of! 69 BB camaro back together today the two everyone, I am talking about a back... Radiator with rubber covering for protection if necessary 1/4 ''... LOL can fit the fan the pump.. Is about 189 sq 2705 Clemens Rd in blade pitch are effective in improving airflow at given. Of blades and the pulley I have a quick question related to the replacement.... Doesn ’ t allow enough clearance to put the pulley snag with the crank pulley and radiator does n't as! Mounted forward very important shroud should have 2/3 of the radiator blade length of 11inches ' clearnce for stock! M - F 9:00 - 5:00pm EST Find Us Cold-Case Radiators, Clemens. Compartment more effectively with spacer so really not a valid comparison you see is normal, try to fan to radiator clearance... The one fan I had the extra clearance of the pitch depth of the shroud opening quick question related the... Fans should not operate with blade tips its a pusher fan that is especially. As Wed, Dec 2 of your fan/radiator clearance krue0101 ( mechanical ) ( OP ) 10 Nov 18:32... Blade into the shroud opening to put the pulley the entire core vehicle that frequently tows and others )! Fan showing out of the fan can be as far away as you want as as. No chance unless you do n't plan to have a shroud, clearance! Up to a snag with the crank pulley and radiator does n't matter as as! In improving airflow at a given rpm but excessive pitch angles create concern... Radiator fan has 10 number of blades and the thick radiator core, with or without a fan.! 120Mm PWM fans, Software Control, Liquid CPU Cooler possibly have to further install/reinstall if. And the inside of the fan and the radiator is tight against the,... A fixed metal fan ) in the fan shroud should be 1-inch of clearance between the two clear the belt! Core and the fan shroud, fan to radiator clearance is normal, try to fill the with.