What year is your pickup? I have a '65 with a 292 and the T-5 trans. My cast iron bellhousing bolts to the crossmember and the motor is side mounted. I don't use any other mounts and it has worked OK for 3 or 4 years now. On my '65, there was a chassis member that the parking brake setup pivoted from and to leave this in, I had to shave off some of the lower cast flange on the tailshaft to clear. I believe the other mount you are talking about is the one for the tie-bar that goes to the rearend on the Camaro and that is not needed in your application. Did you get a clutch disc and pressure plate to match up OK?
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Ontario Inliners
1940 Chev Sedan
1954 Chev Custom
1965 Chev Pick-up
