vibrations from rear of the car
vibrations from rear of the car i cant seam to get this to go away. heres the story
stock rear with older goodyear gs-c i had a viberation coming for the rear of the car.
installed a 9" and re used the gs-c tires...still their
9" was used with a set of chrome firebird 16" rims with mt et streets......vibes gone
put the gs-c back on, the vibe came back.
the gs-c where very bald. so i got a set of cheep tires from a friend but it still did it.
then i bought some new tires from tire rack and the vibe is still their.
so i moved my front tires to the rear these are about 5k old but still their
i tried rotating the 180* at the yoke but its still their.
all the wheels/tires where balanced. and the vibe is only at higher speeds, but when im acclerating up to about 65 its not their. acclerating over 65 you can feal it. when its out of gear its their but only over 50 but when its back in gear it goes away untill i speed up or take it bak out of gear.
stock rear with older goodyear gs-c i had a viberation coming for the rear of the car.
installed a 9" and re used the gs-c tires...still their
9" was used with a set of chrome firebird 16" rims with mt et streets......vibes gone
put the gs-c back on, the vibe came back.
the gs-c where very bald. so i got a set of cheep tires from a friend but it still did it.
then i bought some new tires from tire rack and the vibe is still their.
so i moved my front tires to the rear these are about 5k old but still their
i tried rotating the 180* at the yoke but its still their.
all the wheels/tires where balanced. and the vibe is only at higher speeds, but when im acclerating up to about 65 its not their. acclerating over 65 you can feal it. when its out of gear its their but only over 50 but when its back in gear it goes away untill i speed up or take it bak out of gear.
You said you changed rims when you put on the chorme 16" firebirds then it came back when you put your rims back on? maybe its a bent rim..vibrations suck ive had one for over a year now two sets of new tires, three new slip yokes, three new u joints, two rebalances of the driveshaft, a entire new drive shaft with slip yoke and u's included, a broked tailshaft, new tailshaft, new tranny mount, and I still have a vibration, im looking into the rotors next....like I said they suck 
i have poly motor, trans and ta mount
i think its a bent rim but when i rotated them i still had it, unless all of them are bent.
but then why did it go away when i use teh other rims with the e/t streets?
i think its a bent rim but when i rotated them i still had it, unless all of them are bent.
but then why did it go away when i use teh other rims with the e/t streets?
12 Second Club
Joined: Sep 2005
Posts: 4,273
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From: Bucks County, Pa.
Possibly the soft, mushy sidewalls of the bias ply Streets is "cushioning" any vibrations that would be there with higher pressure, stiffer sidewalled radial performance street tires??
i did ALL of the above
and only got rid of the vibrations when i put NEW rotors on the car, and i had tried everything before the rotors, i replaced rims, tires, suspension pieces, rear, then i did some routine maintence new pads and rotors and the vibrations stopped
and only got rid of the vibrations when i put NEW rotors on the car, and i had tried everything before the rotors, i replaced rims, tires, suspension pieces, rear, then i did some routine maintence new pads and rotors and the vibrations stopped
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