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Discussion Starter #1
i have an 88 GT and i have a wierd vibration when going about 70kph or faster. it only vibrates when im not on the gas though. if i am giving it throttle it drives good but when left off the pedal the vibration comes and it is getting pretty bad. feels like something in the back end. i was thinking maybe diff but not to sure so was wondering if you guys have any ideas.

also i was wondering if the T5 tranny from the v8 is the same as the T5 in the 4 bangers ? will a 4cyl t5 work in a v8 and if so is there anything that needs to be changed ?
 

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Does it do it on decel when in nuetral? Could be as simple as a u-joint. Tranny mount. Jack it up and see if you can find some slack somewhere. Happy Memorial Day from the USA.:cooldude:
 

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for the trans you should change the input shaft before swapping it in. Otherwise change the pilot bearing and wait for it to blow.
 
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