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Old 08-14-2013, 01:24 AM
cooljjay cooljjay is offline
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Join Date: Jul 2008
Posts: 3,740
Originally Posted by ROLLGUY View Post
Can someone tell me the difference between the "M" pump and the other one that is common on U S cars? How does one know what an "M" pump is?
They give an extra 10hp, there is no alda or ada on the type m, the vacuum shut off is where the ada or alda would sit....the idle adjustment is done by a screw on the rear.....a few places can modify the pump for more power too....
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