We used motor mounts from a 91 burb and had to notch the frame on my 66 gmc, they did not just bolt in. after notching the frame flange everything worked very well, we had no issues with the distributor (had to notch the frame slightly for headers.
Here is a picture scroll thru to see the final result. The holes in the front crossmember had to be redrilled also.
http://kieth.smugmug.com/Trucks/66-G...305_KyUKk-A-LB
Kieth
Quote:
Originally Posted by Captainfab
What year of truck and which 6 cylinder? If you have a '63-'66 with a 230/250, you don't need to change anything. Just get new motor mounts, bolt them up to the 350 and drop it in. You might be able to remover the mounts themselves from the 6 cyl brackets, but I can't say for certain. If you have a '63-'66 with a 292 6 cyl then you will need at the least a passenger side frame bracket, as the 292's had offset motor mounts. In the '63-'66's the 230/250 6 cyl and the V8's used the same motor mount brackets and in the same location.
If you have a '60-'62 and want to install a V8, you can use the V8 motor mount brackets from either the '63-'66's or the '67-'72's. But you will have to add a filler piece on top of the frame as the '60-'62 frames are shorter in height. The '67-'72 small block brackets would be a closer fit than the '63-'66's
If you have the '63-'66, there is no need to fab a trans crossmember. Just get one from a '63-'87 truck with an auto trans, slide it in the frame, drill some holes, and bolt it in.
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