Is there a Technical forum??
I have a friend who is just putting the finishing touches on 1987 .
He is having a terrible time with vibrations, 5.0 eng / C-4 trans , sitting still.
The engine runs perfect without the torque converter, (third one).
Attach the torque converter and will shake your teeth.
Any ideas?? I will gather more info and post it but I thot
someone may have experienced this before.
Pix are of my two 1961 Olds, I am too old to start a Mustang project
so I enjoy my friends who have them.
was engine or transmission replaced???
I have a 79 Cobra (5.0) and we replaced the engine with a 88 HO one. Had terrible vibration. Finally replaced the flywheel with an HO one and no more vibration (original C-4 trans)
Is there a technical forum
Thanx for the help.
I did some research and found that you cannot use the OEM flexplates with an internally balanced engine.
The 28 or 50 weight throws it out of balance.
We ordered the B&M # 50246 - 10 1/2 " flexplate made especially for balanced engines with the
Thanx again, Dave