|To:||<email@example.com>, "Elon Ormsby" <firstname.lastname@example.org>|
|Subject:||Re: Alternator pulley ratio|
|From:||"John Beckett" <email@example.com>|
|Date:||Tue, 2 Mar 2004 06:48:22 -0500|
Elon Recheck the math here. Actually he needs to run about a one to one ratio. At 6000 RPM the alternator will put out plenty of amps. JB > > Since your set-up is pinion driven, the pinion rpm will never be greater > than engine rpm divided by your gear ratio. (6,000 engine rpm /3.00 rear > gear = 2000 pinion rpm). (assuming you transmission top gear is direct or > 1:1). Using these assumptions a pulley ratio of 4.25:1 would yield a 8,500 > alternator rpm at the lights.
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