4 pulses per rev = 4000 ppm?
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Supreme Member
Joined: Sep 2003
Posts: 1,408
Likes: 2
From: Western Maryland
Car: 82z28
Engine: 406
Transmission: th350
Axle/Gears: 3.23
4 pulses per rev = 4000 ppm?
Will this speedo adapter provide an acceptable vss for hptuners to work with on a e38 ecm?
Joined: Mar 2001
Posts: 10,405
Likes: 2,081
Car: '89 Firebird
Engine: 7.0L
Transmission: T56
Re: 4 pulses per rev = 4000 ppm?
The T56 transmission is 17 PPR (pulse per rev). The Auto trans is 40 something PPR (can't remember the actual number).