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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: Feb 2004 Posts: 29,944 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 29,944 | The 348 was on the drawing board in 57 as a medium duty truck engine when the Ford 312 with the supercharger started kicking Chevy butt on the drag strip. Chevy engineers installed a solid lifter cam and a 3-2bbl. intake, and rushed it into production in the 58 Impala. The Chevy racers who had been accustomed to winding the 283's up to 7,000+ RPM suddenly learned what a "swallowed valve" meant! The 348 is a good, high torque engine, but keep the shift RPM around 5,500!
Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!
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