GM Drivetrain & Suspension Chassis | Transmission| Driveshaft | Gears/Rear End/Differential | Traction Aids

D1 transbrake issue

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Old Jul 12, 2015 | 05:12 PM
  #11  
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Originally Posted by GMCtrk
And what did it run?
Pretty much the same....low 12's.
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Old Jul 12, 2015 | 05:20 PM
  #12  
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What's the trap speed?
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Old Jul 12, 2015 | 06:55 PM
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Originally Posted by GMCtrk
What's the trap speed?
Only 112.

Just checked and my 10.93@124 last summer was shifting at 5600.
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Old Jul 12, 2015 | 07:27 PM
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Hmm...something's obviously off. Even with the bad launch, trap speed should still be pretty similar.
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Old Jul 12, 2015 | 07:40 PM
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Yeah, even peddling the 1st 1/8 before on street tires with the valvetrain messed up I ran 115.
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Old Jul 13, 2015 | 03:08 PM
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Compression test(cold motor):
1-192 re-tested the same on second round
2-165
3-170
4-155 165 after a squirt of oil
5-160
6-170
7-165
8-160
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