Double heatexchanger - Chevy Cobalt SS Forum : Chevrolet Cobalt SS Forums
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post #1 of 3 (permalink) Old 04-12-2010, 07:26 AM Thread Starter
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Double heatexchanger

Wondering if anyone has ran a aftermarket heatexchanger with the factory one on the 2.0 SS? If so how hard is it to do and how much of a difference would it make to run it that way?
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post #2 of 3 (permalink) Old 04-12-2010, 12:27 PM
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Really easy to do. It will mount up behind your lower grill to factory locations. You then just run hoses in series with your factory heat exchanger.

You will see a substantial decrease in IAT and coolant temperatures. Your S/C won't get as hot and therefore won't heatsoak your engine and rob power

2007 SS/SC
O T T P TVS Stage 3 w/ 2.9" & 80# inj., ZZP 3" CAI, ZZP Stainless Mid-Length Header w/ 3" Catted DP, ZZP Stainless 3" Magnaflow Cat-Back, O T T P Heat Exchanger, Opt B, TTR Upper Engine Mount
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post #3 of 3 (permalink) Old 04-18-2010, 04:23 PM
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yea u just take your bumper off and remove your headlights then there is a front brace take that off 2 bolts on top 2 on b***om then the heat exchanger goes rit back in the holes the brace hooks 2 then run your hoses then run your car fill it with dax untill it fills up there is a bleeder valve on top of stock heat exchanger take it out to bleed it be careful its just shitty aluminum IT WILL STRIP pm me if u have any more ?s i just put mine on O u will have to keep filling the supercharger fill for a like to or three days just a lil bit though to make sure u have a enough the s3 heat exchanger is what i bought it holds 2 courts
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