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Re: Underdrive power pullies (archive)

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Posted by Spencer on October 21, 1999 at 18:23:18:

In Reply to: Underdrive power pullies posted by William Ow on October 21, 1999 at 17:25:58:

Yes, I've had an underdrive pulley installed from ERT in my 528. It seems to work pretty well and is noticeable at low rpms. ERT claims to have dynoed the pulley for 11 horses.

: I have noticed a few adds selling under drive accessary pullies for the new 3series (E36 and E46) claiming improvements in power (less power drain through accessaries and lighter). I have used these on my 5.0 Ford Bronco in the past with success (but that is a much bigger easier to pull power from) has anyone tried one for the BMW yet?

: William

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