Vibration at 1500-1700 after rebuild
#1
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Vibration at 1500-1700 after rebuild
Just wondering if anyone had any advice as to what my problem might be. I just got done with my rebuild. I built a blower motor out of my stock ls1 with a forged bottom end and poly-motor mounts, 13-16lbs. of boost. I also got a locker 9-inch rear-end and replaced my random tech torque arm with a UMI (which did not come with an angle finder, but I used a friends and I think we have it set.) I'm have a heavy vibration at around 1500-1700 rpm. It's really bothering me and I don't know what's doing it. Any ideas? (feel free to move this if it's in the wrong forum) -Andy
#5
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Might help to know if its an M6 or A4 car too.
I know I get vibration from hell after goin w/ my Spec 3 vs my stock clutch (but then again, Ive put a brand new master and slave in too and Ive got sub 500 miles on the car so Im still learning it).
What are your other suspension/trans related mods?
I know I get vibration from hell after goin w/ my Spec 3 vs my stock clutch (but then again, Ive put a brand new master and slave in too and Ive got sub 500 miles on the car so Im still learning it).
What are your other suspension/trans related mods?
#6
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M6, bilstein shocks and struts, hotchkis lowering springs, poly motor and tranny mounts, tbyrne non-adjustable control arms and panhard rod, stock k-member and a-arms. with the exception of the motor mounts, all of these things were on the car before the build with no problems.