LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Went to the track wendsday night, untuned...

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Old Feb 17, 2006 | 02:32 PM
  #1  
'94 Bad A Z28's Avatar
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Went to the track wendsday night, untuned...

These times were on street tires.


1st pass - (first time out for me in about 2 years)
r/t: .643
60': 2.303
1/8: 8.830
mph: 85.61
1/4: 13.396
mph: 108.47

2nd pass -
r/t: .119
60': 2.166
1/8: 8.578
mph: 86.11
1/4: 13.134
mph: 108.72

3rd pass -
r/t: .178
60': 2.114
1/8: 8.551
mph: 85.48
1/4: 13.129
mph: 108.14


Got a mailorder tune in the car today and am going back to the track tonight to see what the car can do on street tires again.
Old Feb 17, 2006 | 02:45 PM
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Re: Went to the track wendsday night, untuned...

what mods??
Old Feb 17, 2006 | 02:49 PM
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OBE1 95Z28's Avatar
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Re: Went to the track wendsday night, untuned...

Running a car at the track untuned can be real exciting, especially if you blow the motor by running it too lean.
Old Feb 17, 2006 | 02:53 PM
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BlkLT1Z28's Avatar
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Re: Went to the track wendsday night, untuned...

Wow Eddie...........108?............I ran 106 with a cutout, MSD, and an open stock airbox.

















Just bustin your ***** man I might go out there to see yeah. It has been a looonnngggg time since Ive seen that car move.
Old Feb 17, 2006 | 02:57 PM
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'94 Bad A Z28's Avatar
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Re: Went to the track wendsday night, untuned...

Originally Posted by OBE1 95Z28
Running a car at the track untuned can be real exciting, especially if you blow the motor by running it too lean.


It's got 36lb injectors, not going to run lean, the car was really rich.
Old Feb 17, 2006 | 03:00 PM
  #6  
'94 Bad A Z28's Avatar
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Re: Went to the track wendsday night, untuned...

Originally Posted by 95ttoplt1
what mods??


Heads/cam/intake/injectors/LT's/52mmtb/3.73's and finally a mailorder tune



Before all this with just a CAI/converter/3.73's the car went 13.2 @ 104 if that tells you how bad it needs a tune.
Old Feb 17, 2006 | 03:29 PM
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Re: Went to the track wendsday night, untuned...

I will be there tonight. She should do alot better even with the mail order tune. Drew's car felt like a different car with one.
Old Feb 17, 2006 | 03:42 PM
  #8  
'94 Bad A Z28's Avatar
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Re: Went to the track wendsday night, untuned...

Drew will be out there watching too.
Old Feb 18, 2006 | 02:24 AM
  #9  
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Re: Went to the track wendsday night, untuned...

Sounds like my car befor I tuned it. cam, LTs, barley any bolt-ons with a SPEC4 clutch through full exhaust with 3.23s and a T56 ran a ton of 13.0-13.1s @108-110mph. then got it tuned and ran 12.7@112mph my 60's are KILLING me. Im stuck in the 2.0-2.1s gotta get some 4.10s in it to keep it from bogging. Good luck. You should pic up some power after you lean it out some with a tune.

Jeremy
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