Click on image for the lowdown. 
====
| | | Forums66 Topics128,042 Posts1,055,516 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! | | | | Joined: Nov 2002 Posts: 60 Wrench Fetcher | | Wrench Fetcher Joined: Nov 2002 Posts: 60 | Ok busy discussing repowers in another thread and keen to find out who is running with a GMC inline 6 bigger than the 302 ie, 308/318/360/426/477/503/707
David '56 3100 Pickup,Blown BBC,5 Speed,IFS,4 link, '07 Maloo
| | | | | Joined: Aug 2000 Posts: 197 Member | | Member Joined: Aug 2000 Posts: 197 | If you want a big old gas inline to power your truck, how about one of the international red diamond sixes. Up to 501 cu inches, lots more of them out there, and easier to obtain parts. Check out www.oldihc.org
Jason
| | | | | Joined: Feb 2001 Posts: 4,095 'Bolter | | 'Bolter Joined: Feb 2001 Posts: 4,095 | how about the vortec straight six from gm, powers the bravada and others. go to gm.com it will tell you about it. i thought it would be a better choice for the ssr but they put a honking big v8 in it. i guess that is where the super sport comes from. less nostalgia more horsepower, lousy milage but if can afford 48,000 what is a little less mileage. ron
Ron, The Computer Greek I love therefore I am.1954 3100 Chevy truckIn the Gallery 2017 Buick Encore See more pix1960 MGA Roadster Sold 7/18/2017
| | | | | Joined: Dec 2002 Posts: 2,549 'Bolter | | 'Bolter Joined: Dec 2002 Posts: 2,549 | My '50 GMC 600 series COE, that I recently sold. Had a 318ci., 6 cyl., in it. | | | | | Joined: Mar 2004 Posts: 6,214 'Bolter | | 'Bolter Joined: Mar 2004 Posts: 6,214 | There's a '57 GMC with a 503 gas motor on eBay right now! Mike  | | | | | Joined: Nov 2002 Posts: 60 Wrench Fetcher | | Wrench Fetcher Joined: Nov 2002 Posts: 60 | Originally posted by WE b OLD: how about the vortec straight six from gm, powers the bravada and others. go to gm.com it will tell you about it. i thought it would be a better choice for the ssr but they put a honking big v8 in it. i guess that is where the super sport comes from. less nostalgia more horsepower, lousy milage but if can afford 48,000 what is a little less mileage. ron Couldn't find it on there. Last I heard it was made in Mexico, do you have a link for it.
David '56 3100 Pickup,Blown BBC,5 Speed,IFS,4 link, '07 Maloo
| | |
| |