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Click on image for the lowdown. 
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| | | Forums66 Topics128,129 Posts1,056,361 Members48,441 | | 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: Oct 2021 Posts: 6,827 'Bolter | | 'Bolter Joined: Oct 2021 Posts: 6,827 | Many people use it in antique engines because of the high ZDDP content which has been removed from modern oils due to its effects on catalytic converters.
The zinc and phosphorus benefits the flat tappet camshafts by creating a sacrificial layer between parts.
1950 Chevrolet 3100 (Ol' Roy)
1939 Packard Standard Eight Coupe (The Phantom) | 1956 Cadillac Coupe de Ville (The Bismarck) | 1964 Ford Galaxie 500 coupe |1966 Ford Mustang (Little Red) | 1969 Pontiac GTO (The Dishpit) I 1979 Ford F-100 | 1976 Ford F-150 (Big Red) | 1995 Ford F-150 (Newt)
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