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Join Date: 2003/2004?
2010 Infiniti G37x & 1999 Skyline R34 GTT-R
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498 Posts
Discussion Starter · #1 ·
ODD questions I know, but I'm still not %100 on my answers or when questioned. . .

Is there any difference of these 2 MONSTER Turbos?

ADVANTAGE & Disadvantages, if any???
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ALSO,

What does the 1993 - 1998 (or 2002) fully stock Supra TT 6-Spd/4-Spd Auto run on Boost (PSi)???


I would REALLY like to know these things. Even though I already know SOOO MUCH on this car, I always let the "simple" things pass me by.

Thanks & Cheers,
Miller
 

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418 Posts
A completely stock car boosts around 10.5psi
 

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Luvs ( . ) ( . )s
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2,099 Posts
T88 is like a 70.something mm turbo with the other componets shared from a T78 kit such as the manifold, wg, dp/mp etc...

T88H is like a 76mm turbo with a different manifold with bigger runners, v band dp/mp and I belive a different wg.

Advantage, they fit good, been proven to make numbers, and its a greddy product quality is awsome.

Disadvantage, older turbo technology a lot of the newer PTE, ITS, Garrett turbos will out spool it in the same size.

Someone correct me if I'm wrong.
 

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Very Senior Member
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10,066 Posts
A completely stock car boosts around 10.5psi
Are you talking about stock boost without a boost controller? That's about 10.8 psi - but that's close enough.

With a boost controller and no other mods or octane >93, you can reliably run 15-16 psi.
 

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Join Date: 2003/2004?
2010 Infiniti G37x & 1999 Skyline R34 GTT-R
Joined
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498 Posts
Discussion Starter · #5 ·
Are you talking about stock boost without a boost controller? That's about 10.8 psi - but that's close enough.

Yes, stock boost WITHOUT the aid of anything. Just "as is" when you bought it BRAND SPANKIN' NEW off the showroom floor.

So 10.5 or 10.8???


I'm assuming 10.5 maybe?
 
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