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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Sep 2006 Posts: 2,393 Shop Shark | | Shop Shark Joined: Sep 2006 Posts: 2,393 | One footnote in Ted's posting refers to changing Exhaust Valve angle to 45 degrees and seems to include heads from 41-53 on a certain numbered head, but doesn't specify your 41 head number anywhere. Perhaps a close comparison of both head valving will help answer your question.
Drew
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