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If your IAT are around 100F at the end of a 10 second full throttle pull in 90F weather, then you are doing great and the fancy IC won’t add anything noticeable. Some reports are that they make a noticeable improvement only on cars modded to the built motor level. Others say they won’t help much unless you increase the coolant capacity and heat exchanger capacity.
Alternative or additional mods to consider are water meth injection. This has the added advantage of increasing octane, which allows the motor to hit the timing targets in hot weather and/or allows a little more boost without risk of detonation. Another alternative is a FIchillervir similar refrigerator that ties into your AC system for the intercooler coolant.
The install on the CSF coolers is a bit of a pain. They are about 2x the size of the stock ones so space is tight. You have to pull the radiator cover, cross bar, angle braces, air filter boxes and turbo inlet plumbing, etc. The coolant hoses on the stock ICs may be a little stuck and space is limited to get the lower hoses onto the new ICs. Dealing with the coolant is messy if you don’t drain down, but draining down takes some work and is messy also though the mess is lower down in the engine bay.
I have water meth injection and the CSF coolers. Will probably do the higher capacity coolant heat exchangers at some point. Tempted by the FIchiller or similar refrigerator but need to look into winter use since aI drive year round in an area that is below freezing most of the time for several months.
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