Vibration with Aluminum Drive Shaft??
01-17-2006, 01:59 AM
#11
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RE: Vibration with Aluminum Drive Shaft??
ORIGINAL: spyder7724
i haven't tried that yet. but i have had it out multiple times so i don't think it was in the same position each time. what the hell? it's worth a try! i put a hard rubber spacer inbetween the companion flange and the shaft and that seemed to help some but still getting the whine at 40-60mph on light load. i think i'll take it apart again and increase the backlash more. it doesn't do it when it's cold. but after 1 mile then it's there.maybe it just needs more backlash to compensate for whatever is wrong in there.
i haven't tried that yet. but i have had it out multiple times so i don't think it was in the same position each time. what the hell? it's worth a try! i put a hard rubber spacer inbetween the companion flange and the shaft and that seemed to help some but still getting the whine at 40-60mph on light load. i think i'll take it apart again and increase the backlash more. it doesn't do it when it's cold. but after 1 mile then it's there.maybe it just needs more backlash to compensate for whatever is wrong in there.
01-17-2006, 08:31 AM
#12
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RE: Vibration with Aluminum Drive Shaft??
you know there is a painted mark on the rear end flange for you to line up with the driveshaft (driveshaft has a painted mark...these are the balance marks)....just in case you didnt know....
01-17-2006, 10:17 PM
#13
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RE: Vibration with Aluminum Drive Shaft??
not sure. but there is a problem in the drivetrain that causes vibration and noise. it maybe the driveshaft although i had no noise with factory gears and the aluminum shaft. the noise i have is a vibration type whining. i can tell it's something that is vibrating at an extremely high frequency. ford had a ton of problem with that in this car so it will just take a while til somebody figures out what is really causing all that vibration/noise.
01-17-2006, 11:34 PM
#14
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RE: Vibration with Aluminum Drive Shaft??
Spyder - talked to Justin and Derrick today and 'go figure' they said exactly the same as you. They said the problems lie in the whole trans set-up for the car and switched to the T-81 trans and quickly had an end to all problems.
01-18-2006, 12:03 AM
#15
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RE: Vibration with Aluminum Drive Shaft??
whats a T81? never heard of that. i though justin was going to put a tremec tko in it. it's funny though that auto's and sticks have the same issue. i have no choice but to figure out how to get rid of it since changing trans in my auto is not an option(i love having 4 gears in the 1/4 mile and that super low 1st gear allows me to run 3.73's and still launch good.
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