whitegold Posted March 22, 2014 Share Posted March 22, 2014 frame rails on the superduperliner are crackin up pretty bad, been welded many times before and have welded them again, I was thinkin about takin it to a guy I know and choppin it off behind the cab and putting new heavier rails back through... and stretch it a foot or 2. should I double it or just get a heavy single piece? Quote THE MILKMAN DID IT..... Link to comment https://www.bigmacktrucks.com/topic/35121-frame-rail-cracks/ Share on other sites More sharing options...
2stacksuperdog Posted March 22, 2014 Share Posted March 22, 2014 Where is it cracking? Quote Matt Link to comment https://www.bigmacktrucks.com/topic/35121-frame-rail-cracks/#findComment-238521 Share on other sites More sharing options...
whitegold Posted March 22, 2014 Author Share Posted March 22, 2014 on the drivers side behind the rear mount for the neway air ride and on the passengers side same place and where the (not sure of correct name) sway bar that goes from center of axle to the frame. Quote THE MILKMAN DID IT..... Link to comment https://www.bigmacktrucks.com/topic/35121-frame-rail-cracks/#findComment-238522 Share on other sites More sharing options...
2stacksuperdog Posted March 22, 2014 Share Posted March 22, 2014 We had a company in town that was running R-models with air ride and the frames broke in all of them behind the mounts i think 1 Quote Matt Link to comment https://www.bigmacktrucks.com/topic/35121-frame-rail-cracks/#findComment-238527 Share on other sites More sharing options...
whitegold Posted March 22, 2014 Author Share Posted March 22, 2014 oh okay. so I guess its not uncommon? 1 Quote THE MILKMAN DID IT..... Link to comment https://www.bigmacktrucks.com/topic/35121-frame-rail-cracks/#findComment-238529 Share on other sites More sharing options...
j hancock Posted March 22, 2014 Share Posted March 22, 2014 I would lean toward a single frame. Quote JimIt doesn't cost anything to pay attention. Link to comment https://www.bigmacktrucks.com/topic/35121-frame-rail-cracks/#findComment-238535 Share on other sites More sharing options...
blackdog2 Posted March 22, 2014 Share Posted March 22, 2014 Go from the front they are predrilled to the rear of the cab done a lot of them we double them all out to 204 inch with 42 ft trailers to get 80,000 and 12000on the front end. Quote Ed Link to comment https://www.bigmacktrucks.com/topic/35121-frame-rail-cracks/#findComment-238581 Share on other sites More sharing options...
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