C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
Sponsored by:
Sponsored by:

Wierd RPM Indicator

Thread Tools
 
Search this Thread
 
Old Apr 8, 2008 | 06:03 PM
  #1  
AftComet's Avatar
AftComet
Thread Starter
Advanced
 
Joined: Apr 2008
Posts: 85
Likes: 0
From: Toronto Ontario
Default Wierd RPM Indicator

When my Corvette is turned off the RPM indicator is at about 500RPM. Anyone share this?
Reply
Old Apr 8, 2008 | 06:07 PM
  #2  
Durango_Boy's Avatar
Durango_Boy
Team Owner
 
Joined: Aug 2006
Posts: 24,125
Likes: 15
From: Columbia Missouri
Default

Originally Posted by AftComet
When my Corvette is turned off the RPM indicator is at about 500RPM. Anyone share this?

That's fairly common. So long as the needle is accurate when the engine is running you'll be fine.
Reply
Old Apr 8, 2008 | 08:15 PM
  #3  
jackson's Avatar
jackson
Le Mans Master
 
Joined: Sep 2001
Posts: 7,739
Likes: 630
From: Unreconstructed, South Carolina
Default

Originally Posted by AftComet
When my Corvette is turned off the RPM indicator is at about 500RPM. Anyone share this?
Most elec analog tachs do that; both OE & aftermarket.
Try switching it back to RUN again (do Not crank, do Not start) for only a second or two ... then switch it back to OFF.
Does tach drop to zero? It should.
Reply
Old Apr 8, 2008 | 10:37 PM
  #4  
joshtried's Avatar
joshtried
Burning Brakes
15 Year Member
 
Joined: Mar 2008
Posts: 1,038
Likes: 39
From: Denver, CO
St. Jude Donor '08-'09-'10
Default

the way this was explained to me when i was like 6 was that this is kind of an anti theft type thing.. i dont really member how.. but thats what i was told...........
Reply
Old Apr 8, 2008 | 10:43 PM
  #5  
chvet73's Avatar
chvet73
Pro
10 Year Member
 
Joined: Jul 2004
Posts: 605
Likes: 0
From: Alta Loma CA
Default Tach

It's normal for a C3 eletronic tach to stay at the RPM where the power was turned off at.
Reply
Old Apr 8, 2008 | 11:44 PM
  #6  
AftComet's Avatar
AftComet
Thread Starter
Advanced
 
Joined: Apr 2008
Posts: 85
Likes: 0
From: Toronto Ontario
Default

Originally Posted by chvet73
It's normal for a C3 eletronic tach to stay at the RPM where the power was turned off at.
Makes sense.

Originally Posted by joshtried
the way this was explained to me when i was like 6 was that this is kind of an anti theft type thing.. i dont really member how.. but thats what i was told...........
Very interesting, do you mind thinking back and elaborating.
Reply

Get notified of new replies

To Wierd RPM Indicator





All times are GMT -4. The time now is 03:47 PM.

story-0
10 Ugly Corvettes That We Still Kinda Love

Slideshow: 10 ugly Corvettes that we still kinda love.

By Joe Kucinski | 2026-06-03 10:34:17


VIEW MORE
story-1
Top 10 Most Expensive Corvettes Ever Sold on Bring A Trailer

A lot of money has changed hands at the online auction house over the years.

By Brett Foote | 2026-06-03 10:21:50


VIEW MORE
story-2
10 Things Every Corvette Owner Needs (2026 Edition)

Slideshow: 10 great gifts Corvette enthusiasts actually want for Father's Day!

By Michael S. Palmer | 2026-06-03 15:43:40


VIEW MORE
story-3
8 Most "Only Corvette Owners Understand" Quirks and Problems

Slideshow: These are the quirks, annoyances, and oddly lovable problems that every Corvette owner eventually learns to live with.

By Pouria Savadkouei | 2026-05-28 09:31:39


VIEW MORE
story-4
10 Reasons the C6 Z06 is Still A Performance Benchmark After 20 Years

Slideshow: 10 reasons why the C6 Z06 is still a performance benchmark after 20 years.

By Joe Kucinski | 2026-05-27 17:20:09


VIEW MORE
story-5
How Much Horsepower Every Corvette Engine "LOST" in 1972

Slideshow: How much horsepower every Corvette engine lost in 1972.

By Joe Kucinski | 2026-05-27 16:54:53


VIEW MORE
story-6
Top 10 DOs and DON'Ts for Protecting Your Convertible Top!

Slideshow: How to Protect A Convertible Top: 10 DOs & DON'Ts

By Michael S. Palmer | 2026-04-03 00:00:00


VIEW MORE
story-7
Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!

Slideshow: The 10 most explosive Corvettes ever built based on power-to-weight ratio.

By Joe Kucinski | 2026-05-20 07:23:03


VIEW MORE
story-8
150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter

Slideshow: From C1 to C8 we compare every Corvette generation by the numbers.

By Joe Kucinski | 2026-05-12 16:54:12


VIEW MORE
story-9
8 Coolest Corvette Pace Cars (and Replicas) of All Time

Slideshow: Some Corvette pace cars became collectible legends, while others perfectly captured the look and attitude of their era.

By Verdad Gallardo | 2026-05-11 09:50:51


VIEW MORE