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| question about trans | Login/Join |
| DRR Trophy |
I have an American dragster that have develop a small vibration in the drive train when warming up on warmup stand from low to 2nd that's when you feel it wondering if some help is out here, I have checked the drive shaft, pulled the pinion and support, looked at ring gear teeth and everything looks good Thanks for any advise | ||
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| DRR Sportsman |
Check the pressure at servo in 1st gear 2200rpm and then shift into second. it should only drop in pressure for split second and return the same as 1st gear. When mine started to shutter - the front seals were leaking and first gear pressure was 230psi and second gear only got to 195psi. Replaces seals and it was 230psi in both gears at 2200rpm  Configuration: 3350#, 582 C.I., 60 - 1.24 1/8 - 5.53@ 126MPH 1/4 - 8.73@ 159MPH  3700#+210lb driver, FULL interior, through mufflers, 10.5 tire. 60'-1.333 (IN 4000ft DA! Joisy Math excluded; 1.25sec using JOISY MATH.)  1/4 - 9.60@144MPH | |||
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