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-   -   Fan's in front of radiator?? (https://ls1tech.com/forums/forced-induction/1811926-fans-front-radiator.html)

Boosted51 Nov 29, 2015 10:08 PM

Fan's in front of radiator??
 
Has anyone mounted their fans in front of their radiator for clearance of the serpentine belt/ accessories.
Im running a 2 side inlet 1 top outlet intercooler and i don't have enough hood clearance for the IC pipe to come over top on the rad and into the throttle body like most traditional set ups. So I'm thinking of mounting the IC where most radiators are mounted and mount the rad in front of that with the fans in front of that.

Has anyone ever done this?
Did it cool alright?
Did it heat soak more than traditional IC with traditional radiator and fan set ups?
Did your intake air temps climb up?


https://cimg5.ibsrv.net/gimg/ls1tech...ffc1d914a7.jpg




Im not much of an artist but a quick sketch to describe what I'm saying a little better.

stevieturbo Nov 30, 2015 03:51 PM

Absolutely nothing wrong with pusher fans although they are slightly less efficient than pullers.

But blowing hot air from the engine radiator over the intercooler will never be a good idea.

necrocannibal Nov 30, 2015 04:27 PM

I'm using pushers for clearance reasons. They keep the temps in a normal range even in the 100 plus degree temps in the south.

MileHighSierra Nov 30, 2015 04:50 PM


Originally Posted by necrocannibal (Post 19058711)
I'm using pushers for clearance reasons. They keep the temps in a normal range even in the 100 plus degree temps in the south.

Sounds like your cooling system is more than efficient. With humidity you experience there, that can be quite an issue as the latent heat of vaporization of coolant/water is compromised.

I say if you're saying cool in those temps, you're quite alright.

necrocannibal Nov 30, 2015 05:37 PM

Hottest my car runs on the hottest most humid day is about 215 and that's mostly having to sit in traffic.

Boosted51 Nov 30, 2015 08:15 PM


Originally Posted by necrocannibal
Hottest my car runs on the hottest most humid day is about 215 and that's mostly having to sit in traffic.

What fans are you running? Do you have the pcm controlling them or have them wired to a separate switch and leave them running at all times?

On previous builds I've used 87-93 Ford Taurus 2 speed fans and they work absolutely amazing. Low speed they pull about 3300cfm and on the high side 4800cfm.

necrocannibal Nov 30, 2015 08:27 PM

They are Derale fans, I forgot the part number. They are controlled by the pcm and they work great like I said, high side I believe they push over 6000 for both.

SPRAYED 01 Dec 1, 2015 12:21 AM

This is really going to make the IC pointless. I would leave it traditional with the IC in front and just use pushers on the radiator for clearance.

necrocannibal Dec 1, 2015 08:15 AM


Originally Posted by SPRAYED 01 (Post 19059183)
This is really going to make the IC pointless. I would leave it traditional with the IC in front and just use pushers on the radiator for clearance.

That is my exact setup, works great.

Boosted51 Dec 1, 2015 10:25 AM


Originally Posted by necrocannibal
That is my exact setup, works great.

You don't know how happy I am to hear that.

necrocannibal Dec 1, 2015 10:28 AM


Originally Posted by Boosted51 (Post 19059511)
You don't know how happy I am to hear that.

I don't have the intercooler behind the radiator but I am using Derale pushers in front of a stood up Griffin radiator. I just removed the latch mechanism for the hood to get clearance to fit the fans and intercooler bracket, no issues with overheating.

MM98 Dec 1, 2015 04:58 PM

Im running a Northern dual pass radiator & a single 16" Skip White ebay fan. Fan is wired for pushing to the stock connector. It's set at 179 on & off at 172. Can let it sit & idle all day long & wont get above 180. I also made sure the exhaust side of my turbo had decent space from the radiator, I guess that helps too.

SwampWS6 Dec 2, 2015 08:51 AM

I run mine this way because of how my turbo sits right behind the rad. Im LT1 and mine hardly goes over 180 degrees. Just make sure there good pushers that actually put out


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