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Mod | | | Forums66 Topics128,162 Posts1,057,042 Members48,463 | | Most Online14,466
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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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
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#47016 06/29/2005 5:42 PM | Joined: Jun 2000 Posts: 2,773 'Bolter | | 'Bolter Joined: Jun 2000 Posts: 2,773 | Boring more than 60 over is possible, but a sonic test must be done. Problem is mainly in the wall thickness to the water pump cavity. One improvement not mentioned is HEI. Also, get the head milled for more compression.
Fred
52 3600
69 C-10
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