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Re: HOW TO: Crossmember sectioning ...
The X-member on my dually is notched 1.5" (89 Square body). The lower a-arms are PB 1" forward units but I originally had the modified OE lowers moved forward .750".
My set-up did require the small notch to the upper driver a-arm as mentioned. MMW uppers & later model OE uppers also had too large of an OD @ the bushing area & would not have cleared (I still have the MMW arms sitting in a box on the shelf three years later  ).
When I'm air'd out, I can slip a slim piece of cardboard between the shaft/notch (like a spiral notebook cover).
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67SWB-B.B.RetroRod
64SWB-Recycle
89CCDually-Driver/Tow Truck
99CCSWB Driver
All Fleetsides
@rattlecankustoms in IG
Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive.
It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar.....
Cubic inches is like Indiana Jones with a cheap pistol.
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