Another Twin Turbo Firebird...pics
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Junior Member
Joined: Aug 2004
Posts: 59
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From: NY
Car: 87 WS6 Firebird
Engine: 305
Another Twin Turbo Firebird...pics
Starting the build up of my 87 Formula TPI 5.0 M5 260rwhp and 352ft-lbs torque naturally aspirated.
Current Parts inventory:
2 Garrett 57 trims, with .63 A/Rs
2 38mm TurboSmart wastegates
headers, stainless mount over the valve covers
Air-to-Water intercooler
Turbonetic MF2 fuel controller
Mallory 685 Timing controller
(2) 160lb-hr injectors for secondary controller
Stainless exhuast pipes
stainless intake plumbing
will post pictures as I progress, shouldn't take over 10-12 days. (hopefully)
Target HP is: 18-20rwhp per lb of boost, so 15psi should net 550hrwp+/-
Not done yet but progress pics:
Before
After:
Front
Current Parts inventory:
2 Garrett 57 trims, with .63 A/Rs
2 38mm TurboSmart wastegates
headers, stainless mount over the valve covers
Air-to-Water intercooler
Turbonetic MF2 fuel controller
Mallory 685 Timing controller
(2) 160lb-hr injectors for secondary controller
Stainless exhuast pipes
stainless intake plumbing
will post pictures as I progress, shouldn't take over 10-12 days. (hopefully)
Target HP is: 18-20rwhp per lb of boost, so 15psi should net 550hrwp+/-
Not done yet but progress pics:
Before
After:
Front
Supreme Member
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Posts: 1,093
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From: western ny
Car: '82 formula clone, 95 saab 900se
Engine: 350 vortec'd tbi, 2.0L turbo
Transmission: 700r4, 5 spd
Axle/Gears: 10 bolt 2.77 open
nice, i'm planning on doing a tt 305 how much have you been spending on parts for everything?
Supreme Member
Joined: Nov 2004
Posts: 1,347
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From: Connecticut
Car: 86 IROC w/Danko bodykit, 1988 iroc vert, 1989 k1500 pickup 6" lift and 35" tires, 2002 chevy tahoe z71
Engine: 383 stealth ram, 305 tpi, 350 tbi, 5.3l
Transmission: T56, 700r4, 700r4, 4l460
man thats a clean set up. i am also curious on what it costs to do the TT set up
Senior Member
Joined: Sep 2005
Posts: 615
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From: Philly, PA
Car: 91 RS, 95 Z28
Engine: 305 tbi, 350 lt1
Transmission: 4l60, 4l60e
Axle/Gears: monsterous 2.73s in both
Scrolling from the Before to the After pictures, my eyes went WIDE. That looks awesome. I plan to keep things NA, but I have to wipe a little drool away after seeing sick setups like that. 
Supreme Member
Joined: Dec 2005
Posts: 1,211
Likes: 1
From: SLO County, CA.
Car: '88 Camaro
Engine: 5.7 L98
Transmission: 700R4
Axle/Gears: Borg Warner 9 bolt w/3.27 lim. slip
Originally Posted by Steve383
What did you do to that 305 to get 260rwhp?
My stock 5.7 had 230 from the factory. What are you doing to get the rest? Is that BHP from a dyno? Trending Topics
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Junior Member
Joined: Aug 2004
Posts: 59
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From: NY
Car: 87 WS6 Firebird
Engine: 305
I have about 1800-2000 total, (not counting nickle and dime stuff, clamps, wiring etc)
260rwhp...nothing to exotic...mainly attention to detail, Ported stock heads, roller rockers, Compucam 2030, matched intake pleneum, (all factory intake parts) All free mods, Hooker headers and full 3" exhaust.
Check out an old thread...
https://www.thirdgen.org/forums/tpi/...whp-305ci.html
260rwhp...nothing to exotic...mainly attention to detail, Ported stock heads, roller rockers, Compucam 2030, matched intake pleneum, (all factory intake parts) All free mods, Hooker headers and full 3" exhaust.
Check out an old thread...
https://www.thirdgen.org/forums/tpi/...whp-305ci.html
Last edited by turbobike; Jul 4, 2006 at 09:24 AM.
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From: garage
Engine: 3xx ci tubo
Transmission: 4L60E & 4L80E
Originally Posted by 91camaross
what kind of headers r those and do u have pic of them not on the car
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From: garage
Engine: 3xx ci tubo
Transmission: 4L60E & 4L80E
Do a search for "Another twin turbo camaro". It is a thread I started last Fall. It has a few pics and ECM info. The install itself is nothing fancy.
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Joined: Sep 2005
Posts: 2,151
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From: Osceola Indiana
Car: 92 RS(sold) 1989 IROC-Z
Engine: 350 TPI
Transmission: 700R4
Axle/Gears: ones that turn
What intercooler are you running on the fireird not any room for one like on a camaro? well there is room but not room for enough airflow to it unless you have the new ati kit with side mounts
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Junior Member
Joined: Aug 2004
Posts: 59
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From: NY
Car: 87 WS6 Firebird
Engine: 305
Originally Posted by 92RS(real slow)
What intercooler are you running on the fireird not any room for one like on a camaro? well there is room but not room for enough airflow to it unless you have the new ati kit with side mounts
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Junior Member
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From: NY
Car: 87 WS6 Firebird
Engine: 305
Well that is one of unfortunate sacrafices that I had to make. The turbos are going to protrude out of the hood about 2". I decide that you see superchargers sticking out all the time, why not some turbos.....
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Ah, im trying to find something that i can hide, was looking at the callaway corvette setup, it mounts them down and under. Something i can wait at a light with, untill someone pulls up, start it up without him knowing :P
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