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3" Turbo Exhaust lane for 87TII?

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Old Jan 6, 2003 | 11:33 AM
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3" Turbo Exhaust lane for 87TII?

Racing Beat only lists a 2.5" Turbo-Outlet flange, Turbonetics doesn't list one, TurboCity doesn't list one HELP!!!!! For a T-18 Hitachi, Stock 87TII

PS My plasma cutter isn't beefy enough to cut my own flange
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Old Jan 6, 2003 | 02:19 PM
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There's a reason - the hole at the back of the turbo is only 2.5". Any 3" exhaust going to the stock turbo necks down to 2.5" at the turbo's outlet.

This really isn't a big deal, BTW.

Dale
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Old Jan 6, 2003 | 07:01 PM
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Nice to see you back Dale, Never fear I have a plan//

I will have a true 3" down pipe with no reducer required...hehehe
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Old Jan 7, 2003 | 12:18 AM
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From: clive Iowa
GO BY RACING BEATS 3" DOWN PIPE. IT DOSE NOT "NECK DOWN" THE COURNERS WHERE BEAT IN SO YOU CAN GET THE BOLTS ON THE FLANGE ITS ONLY $125 WHY GO THROUGH THE HASEL OF MAKING ONE WHEN YOU CAN BY A STANLESS STEAL ONE FOR THAT PRICE.
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Old Jan 7, 2003 | 06:07 AM
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www.thunderfabrications.com nice work!
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Old Jan 7, 2003 | 10:54 AM
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Originally posted by banzaitoyota
Nice to see you back Dale, Never fear I have a plan//

I will have a true 3" down pipe with no reducer required...hehehe
Really, all that will give you is a leg up in a dick size contest. Unless you put a new back plate on the turbo, the hole on the back plate and the hole on the gasket is only 2.5".

Even if you fabbed a new back plate, you still have a tiny turbine and a wastegate that's dumping into the exhaust flow at a 90 deg angle.

Hell, buy the JIC Spec 90 all 90mm system for the stock turbo...

Dale
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Old Jan 10, 2003 | 03:55 AM
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it's almost pointless for the stock turbo. spend the money of a better turbo unit.
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Old Jan 10, 2003 | 04:49 AM
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Originally posted by fastrotaries
it's almost pointless for the stock turbo. spend the money of a better turbo unit.
What is pointless you are refering to?

I hope it's not going to a 3" exhaust (I didn't really understand the previous posts). A good 3" exhaust with a stock turbo can up your HP by 50 at the wheels... plus you can do it for a couple hundred bucks only.
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