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Turbo on a 305 tpi

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Old Sep 26, 2012 | 12:42 AM
  #1  
Firechicken86's Avatar
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Posts: 552
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From: Vancouver
Car: 1989 Trans am GTA
Engine: 305 TPI
Transmission: t56 6 speed
Axle/Gears: 3.45
Turbo on a 305 tpi

I have the 5 speed 305 tpi on my gta and I want to give it more punch and I've been wanting to do that by sticking a turbo on it but I'm just wondering if it's doable. I know that the manual transmission didn't come with the 350 because the torque would wreck it, would this be the same case if I put a turbo on the 305?
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Old Sep 26, 2012 | 12:38 PM
  #2  
T/A's Avatar
T/A
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Joined: Sep 2011
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From: P.A.
Car: 1990 T/A w/WS6
Engine: 5.7L V8 TPI
Transmission: 700r4
Axle/Gears: 3.23 w/ posi
Re: Turbo on a 305 tpi

from what i've heard about T-5s, you may have to be careful, depending on how much boost you plan on putting out. also the can the engine handle it? how much boost are you thinking of?
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Old Oct 29, 2012 | 07:50 AM
  #3  
luvofjah's Avatar
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From: PNW
Car: 91 Black Formula KR
Engine: 305 TPI R69/G92
Transmission: Astro A5-Pro 5.0-McCleod
Axle/Gears: US Gear 3.42 Eaton True Trac
Re: Turbo on a 305 tpi

Drag slicks, drop the clutch at the drag strip, T5 will break...
Street car with less traction / not sticky tires, can last...
I met a guy with 400+ HP on his street car with a T5, had it for 3 years no problems...
I have a 305 TPI with a T5 also... getting a BBS turbo header hopefully within 2 weeks

Rafael
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Old Oct 29, 2012 | 09:23 AM
  #4  
cuisinartvette's Avatar
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Joined: Feb 2006
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From: Sanctuary state
Car: 67 ******mobile
Engine: 385 Solid roller
Transmission: T-56
Axle/Gears: 4.11
Re: Turbo on a 305 tpi

T5 a tossup. Seen some scatter with not so heavy use, friend had one in a heavy 57 wagon with a stout 383 and pounded on it no issues.
Turbo on a stock bottom end?
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Old Oct 29, 2012 | 10:02 AM
  #5  
1gary's Avatar
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Re: Turbo on a 305 tpi

Honestly never built a turbo 305,but I do have a passing fascination about them.I have read alot about them.So I will be looking forward to your build thread.
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