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Tired of Overheating? Here is my solution

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DSMSpyder99

20+ Year Contributor
3,786
15
Apr 7, 2003
ThE VaLLeY, California
Background: This summer is was ridiculously hot in SoCAL, reaching over 110*F on some days. Even though i upgraded to a Fluidyne Radiator and a 1360CFM SPAL Fan. It would still overheat on long drives (30+ min).

Problem: My FMIC was blocking the air flow to the radiator. In addition, i still have my crash beam; so hacking the little black part would be useless.

Solution: PICS BELOW! :dsm:

Results: The "hole" is great! My engine bay is SIGNIFICANTLY cooler. My temp gauge is always below half under all conditions. I have some mesh laying around, I plan on painting it flat black and epoxying a Mitsu emblem on it.
 

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Creative, and functional.............but looks like a page outta of a Honda :) LOL J/K man. post up when the Tri-Diamond up there
 
Cool idea, but I would have gone about it a little bit differently. Go around to the junkyards, looking at grills and front vents on cars that you like. Get a decent shaped trim piece, then cut your hole around that.

I'm sorry, but bare holes in sheet metal looks kinda.... sheety.
 
Yea deff. dont put mesh grill in the hole. Your cars nice and that ugly chrome fence will make it ugly.
 
Yea deff. dont put mesh grill in the hole. Your cars nice and that ugly chrome fence will make it ugly.

He said he was going to paint it flat black. I think painted like that it won't stick out like the chrome would and would be functional with keeping stuff out.
 
Cool idea, but I would have gone about it a little bit differently. Go around to the junkyards, looking at grills and front vents on cars that you like. Get a decent shaped trim piece, then cut your hole around that.

I'm sorry, but bare holes in sheet metal looks kinda.... sheety.

ROFL you think i just decided to cut a hole without any planning. ROFL If you look at the hole i made, you will notice it follows the angle of the headlights. In addition, the hole for the FMIC is also a trapezoid just like the hole i made.

As stated i plan on making the hole as straight as possible and putting a FLAT BLACK mesh grill with a Mitsubishi emblem as soon as the semester is over.
 
Not bad ..
make sure you post up pics of the finish product i did something kinda the same here is a pic..
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Back to the OP....

The cut you made is a good cut. It clears your IC and supplies air straight to your radiator.

Lets see the final pics!!
 
Looks like a Tiburon.

I don't like it. I would have chosen a different route; but if it works for you and you're happy with it... well... okay.
 
cait sith did the same thing. He's been running with it for at least a couple years now. He has the large Greddy FMIC with 561 feet of intercooler piping, and he was constantly overheating at the track. This helped him a bunch (even without a vented hood). Obviously, doing something like this in combination with a well-ventilated hood will work extremely well.

BTW, he added a little "style" with this easy mod; left about 1/5 inches in the middle of the vent. Kinda looks like the vent on the US Lancer Evo VIII.
 
When I cut mine for my fmic I just used a Dremel tool with a cut-off bit and it worked good. I used some masking tape to make a nice clean cut and it all worked out great.
 
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