| |
Click on image for the lowdown. 
====
| | | Forums66 Topics128,029 Posts1,055,416 Members48,422 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
| | THANKS!
For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Jan 2008 Posts: 4,961 'Bolter | | 'Bolter Joined: Jan 2008 Posts: 4,961 | The 228 was 3 9/16 bore while the 248 was 3 23/32 bore. The rods and crank are the same. I have seen 228's bored to 248 std. I would be afraid to go oversize. A good machine shop can sonic test the cylinder walls to see how much you can bore. There are lots of 248's around. I would start out with a 248 block and then go .060 over and you know you are within limits. | | |
|
|
| |
