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Click on image for the lowdown. 
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| | | Forums66 Topics128,060 Posts1,055,831 Members48,426 | | 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: Nov 2013 Posts: 56 'Bolter | | 'Bolter Joined: Nov 2013 Posts: 56 | I do have vacuum advance and we are using it. Right now I am set at 9 Degrees inital advanced. I have vacuum advance set at 20 Degrees all in about 3000 rpm. I initally had both light springs on the mechanical advance but then went with one light and one medium which brought it all in a bit later.
I will have to say this distributor and the dual Webers has made a marked difference in power.
1953 Chevrolet Handyman Wagon 36k
1938 Buick 38k
1947 Hudson Commodore 18k
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