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I have a 51 chevy 3/4 ton and am trying to find a rear sway bar. I bought one from Chassis Eng. but it is too wide (fits the 1/2 ton which has wider frame rails) and won't fit. My rear is a 10 bolt with a TCI leaf spring kit. Does anyone have a suggestion. (eng. 330 hp small block w/ 700R4 tranny)
Here's a link to manufacturers. You might go through here and find somebody...
http://users.erols.com/srweiss/parts.htm
I think you need to look into if you received the right one or not from Chassis eng. The 3/4 ton and 1/2 ton frames are basically identical other than the 3/4 is about 8" longer. The width is identical along it's length as far as I know. Let me put it this way, my truck had a three quarter ton frame under it, I swapped it for a 1/2 ton and all the bolts for the bed and cab went right back where they were, I don't remember a bit of difference. The bed bolts down right thru the top of the frame rails at the rear, how could the rails be wider apart? As I remember there was no mod to the rear axle (a 1956 passenger car) that I pulled out of one and put in the other frame. So even the springs where in exactly the same place.
I think you have found the common issue with these parts from many vendors (not picking one this one in particular) they DON'T FIT!
Brian
Nope. The 1/2 ton chevy frame is identical in width with the 3/4 to except at the rear. From just ahead of the rear axle to the rear the 1/2 ton frame is 11 inches wider than the 3/4 ton