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Labor Day Putting down your wrenches or time for
MORE wrenching? 
Plenty of places to share. | | Click on image for the lowdown. 
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| | | Forums66 Topics128,006 Posts1,055,267 Members48,418 | | 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!
| | | | Joined: Nov 2005 Posts: 1,048 'Bolter | | 'Bolter Joined: Nov 2005 Posts: 1,048 | I’m currently rebuilding my ’53 power glide 235. In the process we found the original head had 9 different cracks, so I purchased a ’60 head which now has been fitted with new valves, guides and hardened seats. I’m wondering if this later head will raise my compression ratio from the ’53 spec. of 7.5 to 1 to the ‘60 spec. of 8.25 to 1 | | |
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