Re: O/T: Turbo questions

From: Josh Battles (jbattles@bankfinancial.com)
Date: Wed Oct 22 2003 - 16:02:13 EDT


""Punch"" <crash2000@sympatico.ca> wrote in message
>
> OK, its off topic but car related, peeps in my turbo Gt forum say the
turbo
> gets no gains from installing a cold air intake, but does gain from a
bigger
> exhaust why?

you might pick up a few ponies from the cool air intake, but only if it
flows better. You don't really get any gains because yor air inlet temps
with a turbo are several hundred degrees hotter than they would be if you
were NA. With a turbo, you can put a pretty decent sized exhaust on there
b/c the turbo itself will provide most (of not all) of the backpressure that
you need for the engine to continue to make power. Youre primary concern
with exhaust on a turbo car is getting the gas out of the way as quickly as
possible. My friend has 3.5" tube as an exhaust on his turbo eclipse. He
also tossed the small T-25 that came on the car in favor of a B16-G so his
setup is different than yours...

> punch
>
> also, with a cold air intake, all airbox silencers where removed, is a
turbo
> supposed to sound like a bag of marble dropped in a blender, they say yes!

it depends on the turbo I guess... I've never heard this before. I HAVE
heard a turbo scream with a cool air intake though, it sounds sweet.

For more turbo information you may want to check out the DSM forums,
www.machv.com is a pretty good forum.

* remember to let your turbo spool down before you shut the vehicle off for
about 1-2 minutes as to help prevent oil coking.

-- 
- Josh
Lowered 2000 Dakota CC 3.9L
www.geocities.com/lenny187/dakota.html



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