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Topic: Tach reads low?

in Forum: C3 Electrical


Tach reads low?

Posted: 9/26/04 8:20pm Message 11 of 14
Former Member
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Joined: 3/12/2004
Posts: 67
Vette(s): 1982 Collector Edition
Hi Dwright,
F.Y.I. I took my 82 up on the highway today, At 75 mph, the tach was showing 1800 rpm. I don't think that there is anything wrong with your tach.
Take care,
Tom


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Tach reads low?

Posted: 9/27/04 3:09pm Message 12 of 14
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Former Member
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Victor, NY - USA
Joined: 7/12/2004
Posts: 6841
Vette(s): 2004 Commemorative Edition Coupe, Auto w/HUD. 13K miles in 2015. Sold 1982 Red Coupe
Thanks for the comparison. |thumb|
I feel better about my tach now. |smile|


 
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Tach reads low?

Posted: 9/27/04 11:56pm Message 13 of 14
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Placentia, CA - USA
Joined: 2/16/2004
Posts: 78
Vette(s): 1978 vette with an 80-82 stlye rear end molded in. BW six speed & an L82... for now. Lowered with VBP springs and bilsteins. Polished torq thrust wheels. New paint, audio system, aluminum radiator... Flowmaster and extreme flow exhaust components.
With a 27 inch tall tire, (255/60r15) a .7 overdirve (I think it's .7), a 2.87 diff ratio, at 75 mph you should be at 1875 RPM. Click the link to see for yourself http://richmondgear.com/streetcalculators.html-Adam |bouncy|

|UPDATED|9/27/2004 11:56:35 PM (AZT)|/UPDATED|



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Tach reads low?

Posted: 9/28/04 2:38pm Message 14 of 14
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Former Member
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Victor, NY - USA
Joined: 7/12/2004
Posts: 6841
Vette(s): 2004 Commemorative Edition Coupe, Auto w/HUD. 13K miles in 2015. Sold 1982 Red Coupe
Thanks everyone. Looks like my tach is right on.


 
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in Forum: C3 Electrical


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