85mph speedo to 140mph
Thread Starter
Joined: Oct 2002
Posts: 905
Likes: 42
From: Hamilton Ontario Canada
Car: 1985 Camaro IROC-Z
Engine: 350
Transmission: GForce T-5
Axle/Gears: 10 bolt 3.73 posi
85mph speedo to 140mph
Hey guys.
How do i recalibrate my new 140mph speedo to read properly.
It still sweeps like my old 85mph speedo.
How do i recalibrate my new 140mph speedo to read properly.
It still sweeps like my old 85mph speedo.
Joined: Sep 2005
Posts: 27,893
Likes: 2,436
Car: Yes
Engine: Usually
Transmission: Sometimes
Axle/Gears: Behind me somewhere
Re: 85mph speedo to 140mph
Not sure about "sweeps"... but no recalibration is required.
Doesn't matter what the #s on the dial are, they're still both 1000 revs of the cable per mile. I.e. 1000 RPM on the cable = 60 mph.
Doesn't matter what the #s on the dial are, they're still both 1000 revs of the cable per mile. I.e. 1000 RPM on the cable = 60 mph.
Joined: Jul 2000
Posts: 6,521
Likes: 91
From: Aridzona
Car: `86 SS / `87 SS
Engine: L69 w/ TPI on top / 305 4bbl
Transmission: `95 T56 \ `88 200-4R
Re: 85mph speedo to 140mph
Yeah, 1001rpm @ 60 is the calibration standard.
If you bought it used, call them on it.
If you bought it used, call them on it.
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