difference between 806 and 853 heads?
#1
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difference between 806 and 853 heads?
Anyone know what the difference is between the heads with 806 casted on them and the ones with 853 casted on them? The board says my 98 should have 853 castings, but there is a big fat 806 casted on it? What does this mean? I couldn't find anything about 806 heads. Thanks guys.
#5
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Originally Posted by TVWilkes
There is no difference.The #806 and the #853 were made with perimeter bolt valve covers.
#6
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Originally Posted by TVWilkes
There is no difference.The #806 and the #853 were made with perimeter bolt valve covers.
Thanks,
Richard
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Originally Posted by Richard@WCCH
I've seen over 50 sets of each and have never seen a single 853 casting with perimeter bolt holes. If they did make them, I'd like to know about it. There is a casting number 933 that was on the early C5s and is a perimeter bolt head. Could that be what your thinking of?
Thanks,
Richard
Thanks,
Richard