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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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| | | | Joined: Nov 2001 Posts: 38 Member | | Member Joined: Nov 2001 Posts: 38 | Jeff,
If you put a centrifugal blower on the engine you won't need a clutch. Like a turbo these blowers have a spool up and DO NOT start making boost off idle. My SEC is quicker from a dead stop with out the blower to about 40 MPH. A positive displacement blower like a Whipple is where the blower makes gobs of torque right off idle. A Vortec with a bypass valve is sucking air until the boost pressure closes the bypass valve. I don't have a bypass valve on my SEC yet so I still have the lag like a turbo set up. A blower is one of the best horsepower gains you can make dollar for dollar and installed right the blower will not harm the engine.
Steve Lemberg
1936 Chevrolet 1 1/2 ton truck
1970 Mercedes 280SE 3.5 coupe
1987 Mercedes 560SEC supercharged
1989 Mercedes 300CE 5.0 M119
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