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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!
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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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