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| | | Forums66 Topics128,260 Posts1,058,322 Members48,485 | | 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 2022 Posts: 15 'Bolter | | 'Bolter Joined: Sep 2022 Posts: 15 | Howdy, Sold as a 41 but I am uncertain. I am told the rear window would be screwed in and have many bolts. Mine is smooth. My Google-Fu brought me here : Inliners Block Decoder RingThat stated I decided to look at the engine # and I see : A AFb3I45b which exceeds my pea brain's ability to decode. [img] https://imgur.com/gallery/rTq0IyB[/img] <<<< IMAGE LINK Participation welcome | | | | | Joined: Mar 2010 Posts: 1,660 Curmudgeon | | Curmudgeon Joined: Mar 2010 Posts: 1,660 |
"Adding CFM to a truck will only help at engine speeds you don't want to use."
"I found there was nothing to gain beyond 400 CFM."
| | | | | Joined: Mar 2004 Posts: 6,242 'Bolter | | 'Bolter Joined: Mar 2004 Posts: 6,242 | The lower case "B" is actually number 6 and the upper case "eye" is number one. Your engine serial number is 631456 starting at 1001... Mike B  | | |
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