Moroso 22642 Enhanced 4-vane Vacuum Pump -12an Fittings Hard Anodized Finish on 2040-parts.com
Salt Lake City, Utah, United States
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Part # Description
22642 Enhanced Design 4-Vane Vacuum Pump Kit, Mounting Bracket Included
"Enhanced Design" pulls 13.9% more vacuum
Can be used efficiently on wet or dry-sump engines
Achieves greater vacuum sooner, virtually maintenance free
4-Vane design weighs less than "original" style pumps
Designed with maintenance-free precision sealed roller bearings
4.375" O.D. body, 5.050" from back of pump to pulley mounting flange
Part # AVAILABLE OPTIONS
97642 Vacuum Pump Vane Kit
Part # REPLACEMENT PARTS
97641 Replacement Fittings, -12AN
22626 Replacement Fittings, -16AN
97181 Rebuild Kit, Enhanced Design Pumps
GETTING THE MOST PERFORMANCE FROM YOUR VACUUM PUMPS
Moroso Vacuum Pump Nos. 22640 and 22641 can be driven no faster than 6500 RPM. The Moroso Vacuum Pump Nos. 22642 and 22643 can be driven as high as 8000 RPM. Moroso offers many ratio options for two reasons. First, by spinning the pump fast enough to achieve the desired vacuum at staging RPM is critical to getting the most performance from your vacuum system. Typically the amount of vacuum it makes below your staging RPM is not as important as it is when you are under a load and ready to make your run.
Second, with engines that either run on alcohol, are supercharged or turbocharged, having the pump spin to maximum RPM to maintain vacuum is necessary in some cases. This will decrease the life of the pump, but will achieve the desired results.
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