Twin turbo trans am build
05-11-2007, 08:49 AM
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Twin turbo trans am build You'll get the gist of what where tryin to do by the pictures.
Big thanks to Speed inc for having such a nicely designed kit to take some pointers from.
All out and ready to start building headers.
skip a couple of days
headers just about done and checking fitment in the car.
Slick intercooler mounted up.
Big thanks to Speed inc for having such a nicely designed kit to take some pointers from.
All out and ready to start building headers.
skip a couple of days
headers just about done and checking fitment in the car.
Slick intercooler mounted up.
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BTW, what are the specs on your turbos? are they PTE's?
05-11-2007, 05:38 PM
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They are Precision T44's, T4 Tagential with a .58A/R on the exhaust for a nice, quick spool... T04E compressor cover... 60 trim compressor wheels and 76 P trim turbine wheel.... said to be good for 600hp each...
....that allows you to keep the a/c and without relocating your alternator 
. [Borat] VERRRY NIIICEE!!! 
05-12-2007, 01:33 AM
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Originally Posted by Beaflag VonRathburg
That's definetly pretty sweet. You've obviously got some fab skills. Is that your garage or a shop?
i definitely can't wait until its done...
Those specs on your turbos should give you an edge over most street twin turbo kits out there or kits that are yet to come....
05-12-2007, 01:37 AM
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Other specs on the build that i can think of off the top of my head:
The Engine:
- factory 5.7L LS1 (346ci) with the following changes:
- bored .010 over (347ci)
- Mahle -16cc dish forged pistons / rings
- Eagle 4340 forged H-beam rods
- stock crank
- ported&polished throttle body
- 220/224 .575"/.575" 115LSA cam
- Patriot dual springs, titanium retainers/locks
- Chromoly hardened pushrods
- Ported and Polished heads
Forced Induction:
- 3" stainless downpipes, Y-ing into a 4" custom build stainless exhaust, Y-ing back to dual 3" exits
- twin Tial 38mm wastegates
- 31x12x3" Intercooler
- 50mm Tial blow-off valve
Also putting a Firehawk hood on
The Engine:
- factory 5.7L LS1 (346ci) with the following changes:
- bored .010 over (347ci)
- Mahle -16cc dish forged pistons / rings
- Eagle 4340 forged H-beam rods
- stock crank
- ported&polished throttle body
- 220/224 .575"/.575" 115LSA cam
- Patriot dual springs, titanium retainers/locks
- Chromoly hardened pushrods
- Ported and Polished heads
Forced Induction:
- 3" stainless downpipes, Y-ing into a 4" custom build stainless exhaust, Y-ing back to dual 3" exits
- twin Tial 38mm wastegates
- 31x12x3" Intercooler
- 50mm Tial blow-off valve
Also putting a Firehawk hood on
05-18-2007, 05:50 PM
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Ya, we got a bit more done!
passenger side charge pipe is done
Passenger side down pipe started
Charge pipe to throttle body is done as well.
And, here is what the header kinda look like. There are a couple of adjustments I have yet to do.
passenger side charge pipe is done
Passenger side down pipe started
Charge pipe to throttle body is done as well.
And, here is what the header kinda look like. There are a couple of adjustments I have yet to do.
