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

Rest in peace, L03.

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Old Jan 4, 2005 | 11:12 PM
  #1  
Token's Avatar
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From: Toledo, OH
Car: 1992 Firebird
Engine: forged 357
Transmission: 700r4, 2200-2400 stall, vette servo
Axle/Gears: stock pegleg 2.73 drum (temp)
Rest in peace, L03.

133k miles and I spun a bearing. It lasted an awful long time suffering through teenage abuse. The previous owner bought it when he was 16, drove it for about 40k, then sold it at age 20 to me, who was 16 at the time. I am currently 20 and I have put over 30k on it... Of this, 8k were with the modified valvetrain, increasing my redline by over 1000 rpm.



Do not take your L03's stock bottom end to over 5000 rpm for safety.
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Old Jan 5, 2005 | 02:32 PM
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From: Greenville, SC
Car: 1991 Chevy Camaro
Engine: 305 TBI
Transmission: 700R4
Axle/Gears: 3.42
That sucks. I saw your post on the Tech/General Engine board about the noise. What are you going to do now?
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Old Jan 5, 2005 | 04:38 PM
  #3  
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From: Toledo, OH
Car: 1992 Firebird
Engine: forged 357
Transmission: 700r4, 2200-2400 stall, vette servo
Axle/Gears: stock pegleg 2.73 drum (temp)
Originally posted by Benm109
That sucks. I saw your post on the Tech/General Engine board about the noise. What are you going to do now?
I don't really want to leave the third gen crowd but I might get a 4th gen. That, or another thirdgen. That, or a new motor and tranny for the bird, since that was going to eventually die as well.
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Old Jan 5, 2005 | 05:38 PM
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From: Marietta, GA
Car: '91 Firebird Convertible
Engine: 305 TBI (LO3)
Transmission: 700r4, Vette Servo
Axle/Gears: 3.27 9 Bolt, PBR disks
Re: Rest in peace, L03.

Originally posted by Token
It lasted an awful long time suffering through teenage abuse...

Do not take your L03's stock bottom end to over 5000 rpm for safety.
Ahhh... so the truth becomes apparent!



Seriosuly though, I'd say 8+ years of hot-rodding around like a teenager is pretty damn good for an engine. Hell, I do it alla time and I *seem* all grown up and stuff.
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Old Jan 5, 2005 | 06:40 PM
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From: Chicago, IL
Car: 91 Camaro RS Convertible
Engine: 305 TBI
Transmission: 5-Speed
Axle/Gears: 3.42
Why not just use your whole top end on a 350 shortblock? You could pick up a 350 block super cheap and make more power than you were before with that little 305.
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Old Jan 5, 2005 | 07:10 PM
  #6  
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From: Toledo, OH
Car: 1992 Firebird
Engine: forged 357
Transmission: 700r4, 2200-2400 stall, vette servo
Axle/Gears: stock pegleg 2.73 drum (temp)
Originally posted by BronYrAur
Why not just use your whole top end on a 350 shortblock? You could pick up a 350 block super cheap and make more power than you were before with that little 305.
Because then I would have to spend an additional $500 to swap to carb. And then, I still have to replace my 700r4. I always assumed the tranny would die before the engine did; it was slipping terribly.
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Old Jan 5, 2005 | 09:58 PM
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From: stockton, CA
Car: Camaro RS/SS
Engine: 5.7 LS1
Transmission: 4L60E Transgo shift kit, 3500 stall
Axle/Gears: 4th Gen Rear 3:42
that would be nice if you got a 4th gen car but my friend has one and he told me that there to expensive to mantian. he spent $2K on repairs to his. it was running rich and the dealership had to do all these test to figure it out. Its because of there computer stuff. our cars dont have that much problem with that.
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Old Jan 6, 2005 | 11:32 AM
  #8  
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From: Toledo, OH
Car: 1992 Firebird
Engine: forged 357
Transmission: 700r4, 2200-2400 stall, vette servo
Axle/Gears: stock pegleg 2.73 drum (temp)
Originally posted by Ramair21
that would be nice if you got a 4th gen car but my friend has one and he told me that there to expensive to mantian. he spent $2K on repairs to his. it was running rich and the dealership had to do all these test to figure it out. Its because of there computer stuff. our cars dont have that much problem with that.
LT1s seem fairly easy to diagnose. Well, not as easy as a thirdgen, but yeah. The opti-spark is the only thing I'd be concerned about with a 4thgen.
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Old Jan 6, 2005 | 12:02 PM
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From: Tempe, Arizona
Car: 96 Silverado/99 Suburban
Engine: 700 cubic inches of 'Muican Awesome
Transmission: 4L80/4L60
Axle/Gears: Chunky/Clunky
Originally posted by Token
LT1s seem fairly easy to diagnose. Well, not as easy as a thirdgen, but yeah. The opti-spark is the only thing I'd be concerned about with a 4thgen.
The only way I will allow you to get a 4th gen is if it's a 2002 SS. I'm a Mod so you must do as I say!
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Old Jan 6, 2005 | 12:23 PM
  #10  
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From: Toledo, OH
Car: 1992 Firebird
Engine: forged 357
Transmission: 700r4, 2200-2400 stall, vette servo
Axle/Gears: stock pegleg 2.73 drum (temp)
Originally posted by 90RS305
The only way I will allow you to get a 4th gen is if it's a 2002 SS. I'm a Mod so you must do as I say!
hahaha then you'll be jealous of me!
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