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| | | Forums66 Topics128,026 Posts1,055,403 Members48,422 | | 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
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on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Feb 2002 Posts: 12,029 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Feb 2002 Posts: 12,029 | no "necessarily" about it Sam, our old low compression 235's do fine without hardened seats, tho most [not all] will go that route if the engine is being rebuilt .... valve seat recession has to do with adjusting the valves too tight, way more than the type of gas, and if the 235 valve train doesn't have a nice 'sewing machine sound' they're too tight and you'll have problems regardless of what seats are in it ... go with the designers specs  Bill | | |
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