View Single Post
  #1  
Old September 13th, 2022, 05:20 AM
Crosshairs6 Crosshairs6 is offline
Member
 
Join Date: Jun 2014
Location: Pollock, Louisiana
Truck: 1961 GMC 4000 (Fontaine flatbed) w/ 305B engine
Posts: 53
Rep Power: 76
Crosshairs6 is on a distinguished road
Default Difference in V6 blocks

What is the difference in the engine block from 305 to 351 to 379 to 401? Is it just to cylinder bore diameter. I understand that heads will be different as well as carburetor options. I'm wanting to know about the block only. Thanks for any incite.
__________________
USMC Retired
Pollock, LA.

Own a 1961 GMC 4000 (Fontaine Flatbed) with a 305B engine
Reply With Quote