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Mod | | | Forums66 Topics128,108 Posts1,056,236 Members48,437 | | 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: Mar 2013 Posts: 220 'Bolter | | 'Bolter Joined: Mar 2013 Posts: 220 | I haven't figured the compression yet. Its got the D shape combustion chamber so hoping for a low static compression,6-1 OR 6.5-1. 6.5-1 with 12# boost converts to about 11.8-1, so yeah might be to much?? My blower motor has 12# of boost at wide open throttle. It builds as soon as the throttle plates start to open. It has forged pistons in it, blower cam and a 302 head. I did blow a head gasket one time but other than that its a screamer. My boy has a late model Chevy pickup 2wd with some special order 5.3 in it. From about 30 mph to 100 I can dust him by about 3 car lengths. He starts pulling on me about 100 mph. the GMC is gasping for air about then!
Jay D. | | |
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