Originally Posted by Norcal Dave
A Bolt-in crossmember was also installed at the T5 trans mount location (with a rubber mount), and I noticed that the high speed vibration became worse after installing that crossmember.

Thank you

So Dave, are saying you have front motor mount, side mounts at bellhousing and another crossmember & mount at the rear or the transmission?

BC
1960 Chevy C10 driver 261 T5 4.10 dana 44 power loc
1949 GMC 250 project in waiting
1960 C60 pasture art
Retired GM dealer tech. 1980 - 2022