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| | | Forums66 Topics128,196 Posts1,057,396 Members48,469 | | 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!
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For helping keep this great
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on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Mar 2012 Posts: 37 New Guy | | New Guy Joined: Mar 2012 Posts: 37 | I have a stock 1949 1/2 ton truck and thinking about putting a chevy 350 in it and wondering if it would be too heavy for the original frame or if i had to make any changes to the frame and what the best suggestions were | | | | | Joined: Feb 2002 Posts: 12,029 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Feb 2002 Posts: 12,029 | just do it, a 350 will be lighter than the original 6 cyl - see hereBill | | | | | Joined: Jun 2009 Posts: 1,596 'Bolter | | 'Bolter Joined: Jun 2009 Posts: 1,596 | You shouldn't have 2 separate topics about this. I replied to your other topic. You may consider boxing the frame. | | | | | Joined: Dec 2003 Posts: 2,953 'Bolter | | 'Bolter Joined: Dec 2003 Posts: 2,953 | Rather than use the two individual motor mounts (one per frame side) I would suggest using the cross member motor mount. I have not seen it but rumour has it that by not using the cross member mounts the V8 would act like a wedge and separate the frame. | | | | | Joined: May 2005 Posts: 487 'Bolter | | 'Bolter Joined: May 2005 Posts: 487 | While the SBC is lighter than the stovebolt 6, the mounting style for the SBC puts different stresses on the frame. The engine side mounts will tend to twist the top of the frame inwards and the bottom outwards. A crossmember style mount will tend to counter this. I don't know of any published analysis on the AD frame that would say whether or not it can handle the stresses, but Chassis Engineering Inc, recommends a crossmember style frame mount for any frame wider than 25 inches ( link). regards, Leon | | |
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