| |
Click on image for the lowdown. 
====
| | | Forums66 Topics128,041 Posts1,055,479 Members48,424 | | 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!
| | 
#14324 06/24/2003 7:48 PM | Joined: Mar 2003 Posts: 5 Member | | Member Joined: Mar 2003 Posts: 5 | I've got a 55 GMC second series half ton w/ the original 248/hydramatic. The block is shot on the 248 and I'm looking for an easy drop-in/swap using the stock tranny/rearend. What adjustments/mods have to be made to drop a 270 or 302 in where a 248 was? Thanks! | | |
|
|
| |
