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| | | Forums66 Topics128,048 Posts1,055,538 Members48,424 | | 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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| | | | Joined: Dec 2003 Posts: 265 Shop Shark | | Shop Shark Joined: Dec 2003 Posts: 265 | Neither of the two distributors I have for my 270 have vacuum advance. I have never seen anything without but the book doesn't mention it on the larger trucks. Should I buy one of the advance units or go without? Also, what does it mean when an engine has no serial number? Mine is just stamped with "270" | | |
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