Quote:
Originally Posted by 'ol Pinion head
The lack of factory installed frame braces on Mikes prev 455HO HD 3spd GT-37 does follow a small trend. As mentioned previously, have yet to run across a '71 233 series M13 factory build that had them but nearly all of those were 350 2bbl M13 builds. The factory '71 Pontiac A-body Assembly Manual notes the frame braces were used with the L78 & LS5 engines without M40, but there is no notation of thwithout being installed with the L78 & LS5 with the HD 3spd M13. Not the first instance of how these '71's were actually built versus what many could infer from the Assembly Manual.
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My guess is if the assembly line ran out of brackets they moved the car on down the line...or since they saw the GT-37 was equipped with the M-13 3-speed trans they assumed it didn't need them like any plain old 350 2-bbl car.
Dennis