I'm assuming you are referring to the 305 V6? I don't think you'll have any issues with using your existing engine mounts with the later model crossmember. As far as I know the later model cross members have the lower motor mount bracket holes in the same location.
Quote:
Originally Posted by old_1966_GMC
i see what your saying the only way it would work is if i would switch crossmembers this will be the only way to remove the c20 lower arms and switch them to the correct c10 arms that would bolt rigth in. So in this case let say i did switch the cross member to a later model would i have any problem with the engine mounts as i tend to keep my stock 305.
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