1968 C10 6 cyl to V-8 conversion

[70STOVEBOLT]

Originally Posted by Fitz

The trans crossmember is not a problem. My truck started out as an I6 manual and, as you can see, it grew a few new cylinders and a built turbo 400. I cut and punched out the rivets holding the crossmember in the forward set of holes...just behind the cab mount... and moved it back to the second set of existing holes....so nice of GM to provide correctly spaced holes for a motor and trans that didn't even exist in 1967!

What is on the back of that trans? Some kind of overdrive unit?

[Old Truck Man]

Originally Posted by aprilg57

Another good input.
Since I already have the engine installed and everything else matches up except the exhaust, I'm going to try a straight down exit left exhaust manifold. I have some from late 50's/early 60's cars. They have the mount holes for a generator to which I can mount an alternator bracket available from many sources.

the exhaust manifold from 63 thru 66 trucks have the alternator mount and straight down outlet.