LS1TECH - Camaro and Firebird Forum Discussion

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-   -   Anyone Boosted with 2.73's? (https://ls1tech.com/forums/forced-induction/373462-anyone-boosted-2-73s.html)

gillbot Aug 30, 2005 05:18 PM

Anyone Boosted with 2.73's?
 
What kind of converter are you running and how is the streetability?

onfire Aug 30, 2005 05:30 PM

I'm running 3.08's with a 2.48 first gear in a T400. Love it. Turbos don't need low gears. 3000ish Vig converter #4 pump.

DarkFormula Aug 30, 2005 05:48 PM

Weak James, weak.

Run some 5.88s in that bitch :D

gillbot Sep 1, 2005 04:01 PM


Originally Posted by DarkFormula
Weak James, weak.

Run some 5.88s in that bitch :D

4.56's ;)

I just don't plan on changing the gears very soon so I'd like to see how well my current converter and gearing would be with the D1SC @ 8psi.

Blackbird Sep 1, 2005 04:16 PM

justme ran or maybe still runs 2.73's for a long time.

and it scoots. I think it was 102 or 104mph in the 1/8th, deep into the 120's in the 1/4

10 second time slips on those runs too I do believe.

gillbot Sep 1, 2005 09:20 PM


Originally Posted by Blackbird
justme ran or maybe still runs 2.73's for a long time.

and it scoots. I think it was 102 or 104mph in the 1/8th, deep into the 120's in the 1/4

10 second time slips on those runs too I do believe.

any idea on what converter? I'm curious as to how my TT2800 Yank would hold up to 8PSI on a D1SC. ;)

Shane_G Sep 1, 2005 09:34 PM

I plan on running a 273 when I get my turbo on so I can chase down some bikes. :D

gillbot Sep 3, 2005 09:03 PM

ANyone else?

engineermike Sep 4, 2005 10:32 AM

My setup is a LT1 383 with 8.3/1 compression, Comp 224/236 cam, single PT-76 GTS turbo, water/air intercooler, TH-350, Vigilange 2800, 2.73 rear gear.

I really like the setup. I had 3.42's with the previous supercharger, which were a real pain cruising down the interstate with no OD. Now, with the 2.73's, it's just like having OD. Plus with all the extra torque from the turbo, it can pull the gear just fine. The 2800 Vigilante drives good at part throttle, but stalls past 5000 rpm under boost. At 19 psi, it'll smoke up the Nitto's from 60 mph (2nd gear).

Mike

gillbot Sep 4, 2005 02:00 PM

I think I might leave them in there just to see how it feels. Might change the converter though.


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