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Mod | | | Forums66 Topics128,042 Posts1,055,497 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!
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| | | | Joined: Nov 2012 Posts: 51 Wrench Fetcher | | Wrench Fetcher Joined: Nov 2012 Posts: 51 | I am installing LS1 - auto in 53 Panel truck. I have
replaced stock front end suspension with Mustang II.
I have reinforced and adapted the trans cross member.
Installed No Limits four link and had to cut/remove gussets as per their insructions. I have reinforced that area with a boxing plate and steel square tubing.
I have also box in the frame hump area.
Do you think this is adequate for a frame inspection or should I do something else? cheers | | | | | Joined: Nov 2005 Posts: 6,100 'Bolter | | 'Bolter Joined: Nov 2005 Posts: 6,100 | Hy ADLifeSupport, did you do a front frame graft or just adapt a crossmember to the original frame? It is very hard to offer an opinion based on a description alone. Whoever you choose to do the frame inspection will have his own points that he/she looks for, it might be better to just take the frame to him/her and get his/her recommendations. It is possible to make a frame too stiff in one area and transfer stress to another area not able to handle the stress, hope that helps. | | | | | Joined: Nov 2012 Posts: 51 Wrench Fetcher | | Wrench Fetcher Joined: Nov 2012 Posts: 51 | Thanks; We welded in the M2 cross member as per instructions which required boxing in the frame rails. I do not anticipate a
problem here with the inspector. The area of concern is mid frame just in front of the four link. I have no experience with
flexing points if there is any. | | | | | Joined: Mar 2010 Posts: 10,272 Renaissance Man | | Renaissance Man Joined: Mar 2010 Posts: 10,272 | The only part of a stock frame which flexes is between the forward-most front bumper bracket bolt hole, and the rearward-most rear bumper bracket bolt hole.  If it were me, I would box the entire frame. Carl
1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission
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