[Guest]

i have a 1970 mustang with a 2 barrel 302. motor is all stock. i have a terrible vbration between 900-1300 rpm. ive tried everything, ive got good compression, 165 in every cyl. no vacumn leak, changed plugs and wires, changed carb. installed petronics ing. and msd 6a. vibration gets worse after 30 miles of driving. doesnt vibrate while driving just idle. feels like something is out of balance. any ideas.

 

[inthegarge]

You don't say wheter auto or stick. In either case I would check flywheel/flexplate and bolts.Your balancer might be bad . Definitely would check out closely without driving it anymore. JMO RW

 

[sfv]

If you have not found your problem call me at 936-756-2535.I am a restoration shop in Houston area and can FIX.THANKS SCOTT P.S.NO COST.

 

[Jim_Williamson]

Check your motor mounts