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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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Mod | | | Forums66 Topics128,009 Posts1,055,293 Members48,419 | | 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: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 | Various high-pressure 235 engine Compression Ratios (CR)
1958/59 CR
235 (truck) = 8.25 - 3836848 head (and 1962 car & truck 235)
251 = 8.0
1956/57 CR
235 (car & truck) = 8.0 - 3836848 head
1954/55 CR
235 (car & truck) = 7.5 - probably the 3835913 head
1953 CR
235 Corvette = 7.5 - probably 3838066 head
235 car & truck = 7.1
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