Speedo revolutions
Supreme Member
Joined: Jul 1999
Posts: 18,457
Likes: 16
From: Loveland, OH, US
Car: 4
Engine: 6
Transmission: 5
Same as any other car...
1000 revolutions per mile. Very convenient indeed!
The TPI and carbed cars use a VSS that gives 2 pulses to the ECM per revolution; the TBI cars (and maybe the S/D TPIs, I'm not sure about those though) use one that gives 4 pulses per rev.
1000 revolutions per mile. Very convenient indeed!
The TPI and carbed cars use a VSS that gives 2 pulses to the ECM per revolution; the TBI cars (and maybe the S/D TPIs, I'm not sure about those though) use one that gives 4 pulses per rev.
Thread Starter
Supreme Member
Joined: Feb 2003
Posts: 5,740
Likes: 3
From: Glen Allen, VA
I only ask this because using all the speedo gear calculators, they give what gm used when factoring in 960 revolutions per mile. If you assume it's 1,000 the calclations become off by a tooth or 2.
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