Re: Need help w/Block casting #'s
3970010 - Block Casting Number (2 or 4 bolt design 4" bore, 302 or 350 usage, late 69 thru 70's)
I 23 70 - Casting Date Code (Sep 23rd 1970 I think)
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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