The Stovebolt Site Forums The Shop Area Engine Shop Differences in 235 Blocks

I just now looked at my 235 engine block stamp (55 1st) and it matches the block stamp for the 55 corvette and my head is a 56 number. Im running the 4 speed manual trans.

Is there any difference in the truck blocks and the vette blocks....or passenger blocks? Or is a 235 the same all over for a givven year?
Thanks,

Here is a couple of links. Hope these answers what you might want to know.

http://chevy.oldcarmanualproject.com/models/engine.htm

http://enginefacts.com/chevrolet235.php

http://pugetsoundvintagechevrolet.org/Programs/6%20cylinder%20engines%20with%20photos.pdf

A 1955 235 block is the same for trucks, cars, and Corvette.
The only difference is the car engine that had a Power Glide transmission was drilled to supply oil to hydraulic lifters.

Thanks for the info. It was very helpful as always.

I think if it was a car block with hydralic lifters and a powerglide it also had a fiber camshaft gear not aluminum with solid lifters. Not sure what the corvette had.

You can tell by the engine serial number if the 53-55 235 engine was installed/set-up for a truck, car, or Corvette.

The 235 engines used in 53-55 Corvettes differed from other same-year 235s:
- higher lift 261 cam (large truck engine)
- mechanical lifters as used in trucks (even though a Powerglide was used on Corvettes - all other Powerglide engines had hydraulic lifters)
- aluminum camshaft timing gear (as used in truck 261/235 engines)
- of course, different intake/exhaust/carburetors

An easy way to tell if a block was set up for truck is that it was cast with bosses for the car side motor mounts but those bosses did not get drilled out for a truck.

Would like to see a complete list of differences in the 235 from it's beginning in '41 to 63. I think that would be quite a long list. The captains bar markings above the starter for one seams inconsistant, have a 53 235 with those bars plus 261s and heard of others with a single bar or no bars at all on some 261s.