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Old 12-21-2010, 03:09 PM
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Having a cooling dilema..

I have an S10 V8 swap w/a a 3.25 body drop (just to refresh).
I have the motor pushed al the way forward..(I can't move it back because I would have to redo the floor).

The problem I'm having is I have the Corvette radiator & have it recessed forward. I have about 2" inbetween the water pump pulley & the shroud I made. I tought about using this flex fan & welded about 3" strip around the hole I make for the fan.

Anyone see a problem w/that plan? I will be driving this in the summer months in 90-100* stop & go & hwy traffic.



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Old 12-21-2010, 05:30 PM
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I personally would use either 1 big electric fan or 2 smaller ones. I wouldn't mount the fan directly to the water pump as you may have problems with it hitting stuff that's mounted to the engine, i know i would on my car. Also remember that since you wouldn't be able to use a fan clutch, the fan would be constantly spinning faster that the engine which will hurt performance, gas mileage, and the sound off the fan all the time will get annoying. Use and electric fan with a temperature sensor that will automatically turn the fan on and off depending on the temp.
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Old 12-21-2010, 05:45 PM
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i mounted twin eletric fans in the front of the radiator and have no over heating problems
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Old 12-21-2010, 05:52 PM
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fans

i used twin 10" electric fansmounted in the front behind grill and have no over heating issues get rid of the hood bracket for mor space and use hood pins
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Old 12-21-2010, 06:18 PM
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Go electric .............. I can tell you a horror story about one those cheap rivited on blades coming of and killing a guy while he was leaning over the front and reving the engine!
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Old 12-21-2010, 06:29 PM
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Beating the floor to fit the engine is normal practice for these conversions.

I have found the Corvette radiator to be inadequate and have poor luck with electric fans in these installations, adequate on a hot day but just, not much reserve for stop and go traffic.

Something you can do is run the short pump, this buys about an inch which doesn't sound like much till it becomes precious.

You have to inspect riveted fans, they don't just fail one day and hack your head off, it's something that's progressive and if you look at the things when you do a tune-up you can see broken and loose rivets in time to replace the fan before parts fly off.

Bogie
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Old 12-21-2010, 08:18 PM
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That fan need's to go into the garbage can.. Put a elec. fan and be done..

And that fan shroud look's to be a little to tight up against the rad..
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Old 12-22-2010, 08:47 AM
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Ok, I had a brain fart & realized my error while measuring last night..

Since I'm body-dropped I moved the core support down 3+" & have NO room for that flex fan & since not one person said Yeah it'll work..I AM NOT going to try & use that fan..screw that

Now I guess the important questions is, elec fan placement..

I have been reading in front as a pusher is bad, because it blocks air flow.??

I now am going to use the Zirgo brand S blade ones. Each they have about 1050 cfm..

Thanks for the advice so far..you guys are my go to gear heads..
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Old 12-22-2010, 08:49 AM
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Quote:
Originally Posted by NEW INTERIORS

And that fan shroud look's to be a little to tight up against the rad..

I have about 5/8" from the fins & for the side pieces I am going to cut 1/4" rubber hose & run it down the legth, to protect it there.
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Old 12-22-2010, 10:30 AM
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Quote:
Originally Posted by RickyDoors
Ok, I had a brain fart & realized my error while measuring last night..

Since I'm body-dropped I moved the core support down 3+" & have NO room for that flex fan & since not one person said Yeah it'll work..I AM NOT going to try & use that fan..screw that

Now I guess the important questions is, elec fan placement..

I have been reading in front as a pusher is bad, because it blocks air flow.??

I now am going to use the Zirgo brand S blade ones. Each they have about 1050 cfm..

Thanks for the advice so far..you guys are my go to gear heads..
Your more than less SOL either way. You don't need huge cfm, you need coverage over the face area of the core. This is difficult to achieve with a single large fan and no shroud. The shroud works with a puller fan to create a low pressure area over the core face. The solution with electrics is multiple smaller fans blowing or drawing across as much core area as possible. The best possible solution would be 4 to 6 smaller fans in a structure either pulling of pushing, but nobody makes such a thing commercially.

Bogie
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Old 12-22-2010, 06:52 PM
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Quote:
Originally Posted by RickyDoors
Ok, I had a brain fart & realized my error while measuring last night..

Since I'm body-dropped I moved the core support down 3+" & have NO room for that flex fan & since not one person said Yeah it'll work..I AM NOT going to try & use that fan..screw that

Now I guess the important questions is, elec fan placement..

I have been reading in front as a pusher is bad, because it blocks air flow.??

I now am going to use the Zirgo brand S blade ones. Each they have about 1050 cfm..

Thanks for the advice so far..you guys are my go to gear heads..


I had a similar installation and used 2 Zirgo 14" pullers. They work well, considering I have no direct air flow to the radiator, 550hp , with summer temps. at 110 degs.
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Old 12-22-2010, 07:27 PM
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Quote:
Originally Posted by RickyDoors
I have about 5/8" from the fins & for the side pieces I am going to cut 1/4" rubber hose & run it down the legth, to protect it there.

You might be alright with 5/8''.. I usually shot for about 3/4'' or more.. I try and use a 16'' elect.fan when I set mine up.. I always shoot for the most cfm's I can fit in there.. I try to get 2800 to 3000 cfm's.. When I did my willys, I used a 16'' fan with around 3000 cfm's.. Built the shroud.. I always put my fan's on the inside.. Once it was set up and done.. I will turn it on and check it with a dollar bill.. Put the dollar up against the front on all four corners to check to see if it is pulling air all over the rad. It will suck the dollar up against the rad.. If it doesn't, That will be a hot spot.. If you set the shroud up right, You can put that dollar any where's in it will stay up against the rad.. I only ran Two fan's on one car I had.. My 57 Chevy.. And that's only because I had them, Not because I had too..
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Old 12-22-2010, 07:38 PM
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I guess I'm old school because I'm running one of those lousy riveted flex fans.. I have more room to play with and I'm also using a 1.5 inch spacer between the fan and water pump pulley. I was always thinking about going with electric fans, but figured why? Regardless of temperature outside, I rarely go over 180 degrees even in stop and go traffic. Have had the flex fan on since 2003 and still working great.

Ed
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Old 12-22-2010, 09:33 PM
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not to mention FlexFans are totally worthless at moving air compared to other engine driven fans.. two pusher fans is the typical method of cooling v8 s10's that I've ever seen.. and I've raced quite a few of them
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