TBI Throttle Body Injection discussion and questions. L03/CFI tech and other performance enhancements.

Replacing Heads

Old Jun 24, 2004 | 03:22 PM
  #1  
ThraxXx's Avatar
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From: Ontario, Canada
Car: 1988 Pontiac Trans Am
Engine: 5.0L Fuel Injection
Transmission: Automatic 4speed /w OVerdrive
Replacing Heads

Hey All,

The other night my car broke down. I had to get the car towed home from work. The Tow Truck driver also drives a 1983 Firebird with a 4bbl carbed 350. He told me that I should get my hands on some LT1 heads and cam for my 305 as the TBI heads flow like crap. I already know that the 305TBI heads sucked but I didn't know that I can bolt LT1 heads on there. Is this possible?
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Old Jun 24, 2004 | 06:42 PM
  #2  
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From: Cincinnati, OH
Car: '90 RS
Engine: 377 LSX
Transmission: Magnum T56
It is not possible without extensive mods. They are reverse cooling heads. Not worth the hassle or money.
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Old Jun 24, 2004 | 07:15 PM
  #3  
ThraxXx's Avatar
Thread Starter
Senior Member
 
Joined: Dec 2003
Posts: 758
Likes: 1
From: Ontario, Canada
Car: 1988 Pontiac Trans Am
Engine: 5.0L Fuel Injection
Transmission: Automatic 4speed /w OVerdrive
TPI heads it is...man are they hard to find.
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Old Jun 24, 2004 | 08:31 PM
  #4  
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no not that hard, there on ebay here and there, but not worth it after the $200 shipping and handling.....i would check your loco fun yard, im still looking into the tpi heads, im also thinking of messing with the LT1's since i can tig weld and have the tools to do the work,
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