From what I have seen the 041 head was cast in Tonawanda and primarily used on the 300 Hp 350 applications to help supply the Flint plant due to high demand. It may be possible they could have machined a batch of 2.02 heads to replace the 186 heads in Hi Po applications. My 70 SS Camaro 350 was a 3970014 block cast in Tonawanda and used 041 heads.
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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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