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Old 03-13-2008, 03:59 PM   #18 (permalink)
Kibwe Walker
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Join Date: Aug 2003
Location: Nashville
Drives: 93 RT/tt
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Default Re: Intake temperature?

Quote:
Originally Posted by Boostaddict View Post
If you are measuring at the mass the thread should probably be called under-hood temps, not intake temps. To me intake temp implies the actual charge temp going into the engine, which most of us measure at some point close to the intake manifold (via ait sensor). Low underhood temps are good if you have an efficient intercooling setup... a crappy intercooling setup will still result in high intake air charge temps regardless of under-hood temp
even so with a good IC setup you still want better air temps entering the system.

Just my by MAS its as much as 100 degree difference entering the system. On a cold night I can see 3x degrees at the MAS and on a warm day like today its in the 13x at the MAS. That 100 degree difference has a impact at the TB. If you lower the intake temps at the MAS you are lowering the intake temps down the line too because the IC's don't have to work as hard. I mean they are air to air aside from Xwire, there is only so much they can do in the microseconds that the air spends traveling through the intake.

I wish someone with a cold air wall, or one of those ram air hoods (victory,575), and even purely vented hoods like the evo could give numbers. You always hear of but dynos and even some comment of their times and top end improvement. Now lets get some numbers as to why.
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Mods: Hallman's MBC @ 16 psi, turbo XS type H BOV, stillen dp, custom exhaust, Spec stage 2 clutch, RPS FW, 3sx lightweight crank pulley, BCP7RES-11 @ .030 gap, autometer gauges, slightly gutted mas, dsm SMIC's, ACPT 1 piece CFDS, Tein S springs, pte 580 inj's, safc neo/SITC, 13t's, hotwired walbro, maximal performance solid motor mounts, DR plenum spacer.

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