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There is another internal GM document pictured in Colvin's book that shows p/n 3879991 being M-22 for "154-600-164-600" models with 4.56 or 4.88 gear.
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Jeff Helms 65 Z16 Survivor 65 Z16 drag car 66 Chevelle L78 unrestored 67 Chevelle L78 unrestored 67 Camaro SS350 Survivor |
The Following 2 Users Say Thank You to jeffschevelle For This Useful Post: | ||
67since67 (06-03-2022), PeteLeathersac (06-03-2022) |
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