I used Sanderson 3/4 length headers for an early Chevelle P/N BB3. They're 1 7/8 diameter primary tubing w/a 3 or 3.5" collector.
These fit w/only very slight trimming along the pass side frame rail (about an 1/8") and I have factory 68-71 GM towers & motor mounts. They actually fit w/o trimming but I figure a big block is going to move around a little & I wanted a little margin for safety.
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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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