I think the blocks and 1st and 5th main caps are the same. High performance blocks and some truck applications after 1968 got nodular 4 bolt maincaps on 2-4 positions, identified by the N cast near the part number. I also had a 1966 L-79 Chevy II and I believe it had nodular 2 bolt caps. Usually these caps came with forged steel tufftrided cranks as well.
Paul
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70 Camaro LA Z-28 03B Citrus Green LT-1 M-40 3.73's
69 Camaro X-77 Z-28 10C Cortez Silver M-21 3.73's Deluxe Project X - SOLD
69 Camaro X-77 Z-28 01B Garnet Red w/Black top, M-20 3.73 Deluxe Houndstooth
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09-29-2017, 11:17 PM
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