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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!
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| | | Joined: Dec 2006 Posts: 27 Apprentice | | Apprentice Joined: Dec 2006 Posts: 27 | Hi all,
My '46 half tons frame seems to be out of alinement. I believe the rear passenger side must have taken a hit sometime in its life. What is the best way to check for "squareness" and how do you "true" the frame back up? Thanks. | | | | | Joined: Apr 2007 Posts: 1,038 'Bolter | | 'Bolter Joined: Apr 2007 Posts: 1,038 | Metricnut, my '51 half ton seemed to sag on one side so I took it to a spring shop, thinking I could have the springs re-arced. They found what they thought was a bent frame causing the problem. I don't know where in AZ you are located but the spring shop recommended Gilbert Collision (in Gilbert, AZ, of course). I took the truck there and they pulled the bed, put the truck on their hydraulic frame staightener. Now, the truck sits nice and pretty. They thought the truck had been hit on the right side in the past, probably prompting the restoration it had 15-17 years ago by a PO. I recall I paid $350-400 dollars but I thought it was well worth it for such a serious ailment. | | | | | Joined: Dec 2006 Posts: 27 Apprentice | | Apprentice Joined: Dec 2006 Posts: 27 | Cool, thanks for the lead. I'm in Sedona & would need to figure a way to haul the frame down. Thanks! | | | | | Joined: Aug 2005 Posts: 6,377 Ex Hall Monitor | | Ex Hall Monitor Joined: Aug 2005 Posts: 6,377 | Good advise! Bent frame? Go to a frame shop (and I don't mean the kind you hang on the wall  ).
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| | | | | Joined: Dec 2002 Posts: 3,440 Moderator - The Electrical Bay | | Moderator - The Electrical Bay Joined: Dec 2002 Posts: 3,440 | to measure for squareness.. measure end to end on both frame rails, and then from the spring hangers on one side to the spring hangers on the other side (measure in an X)..
my frame is bent just a touch, the right side frame rail is 1/8 of an inch shorter than the left side.
When i installed my IFS, i split the difference by 1/16 of an inch,,, the truck drives straight down the road, doesnt wander or pull..
Another quality post.
Real Trucks Rattle
HELP! The Paranoids are after me!
| | | | | Joined: Oct 2006 Posts: 4,983 Master Gabster | | Master Gabster Joined: Oct 2006 Posts: 4,983 | I suppose it would have been smart to have measured and checked my frame for correctness when it was bare. That would be a great suggestion to all who have a empty frame.
~Jim
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