Thread: Total Seal Piston Rings
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Old 04-25-2003, 09:56 PM
Mohuska Mohuska is offline
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Join Date: Oct 2001
Location: San Francisco East Bay,
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Default Crankcase vacuum pump
I am currently building a 521 with TWM throttle bodies (8 stacker)... There is no vacuum for the power brakes I have or for reducing crankcase pressure...My builder thinks that reducing crankcase pressure will save seals and gain about 20 HP, because the engine is not working as hard against a negative pressure.

I am running standard molly rings with a 10.2:1 compression....What do you all think about crankcase evac pumps?

I am also looking for an electric vac pump for the brake system.....
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