My guages are constantly bouncing up and down while just normal driving. My RPM's by just accelerating will go up to 7,000, I know it's not really hitting 7,000, but my guage over shoots it. Is this a factory flaw, or do I just need to replace them?

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Blue 87 IROC-Z Camaro,305 TPI
3" Flowmasterhttp://hometown.aol.com/rage502/myhomepage/profile.html

 

maybe a loose ground strap. just my .02 hope you find it.

 

My speedo has some play in it, but I think a new cable will fix that. It might be a smiple problem, or it might be something bigger. If it comes down to it, a used gauge cluster is pretty cheap, and there seem to be enough of em laying around out there.

Will

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'86 Z-28 305 c.i. LG4 165 hp E.T. 16.7 @ 82 mph on radials
Rochester QuadraJet 4bbl,
Flowmaster 80 series, Chrome Tips,
Dual Snorkel Air Cleaner,
K&N Filter,
Michellin P215/65/R15 X-Radial Plus,

Pioneer 4"x6" dash,
Pioneer 6"x9" rear,
Alpine 8" Type S in bandpass box,
MTX Thunder 4202 Amp,
Sony 4000X- x-Plode Deck 50w x4

Soon to be sporting a 350 HO somg legal conversion kit. 308 hp Along with Edelbrock Headers, Edelbrock Performer EGR Intake, and 3" Flowmaster Exhaust with DMH Electric Cutout!!!

 

Ever since my car was new it has had problems with a temp guage that does the same thing. It will bounce all over the place. The previous owner wanted it fixed but for some reason never got it done. From looking at the board behind the gauges it seems to be warped causing a poor connection on my car.

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1990 Camaro RS
1991 Integra LS
1997 GTP Sedan
http://www.geocities.com/joecool_2u/
355 LT1, mods sure I have a few.

 

Also check the ground straps and wires between the firewall and the rear of the cylinder heads. I've seen these work loose after some hard launches, causing all kinds of mystery problems, from irratic gauges to injectors not firing.

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91 Camaro RS
Too many mods to list here

81 Ford F100 300 6 cyl (daily driver)

Pacific full suspension MTN bike
Pacific front suspension MTN bike
(spare tires for the Ford LOL)
http://www.quick91rs.cz28.com

[This message has been edited by quick91rs (edited September 11, 2002).]

 

do you have any aftermarket ignition parts? when I installed my MSD Super HEI ignition module the tach went absolutely nuts.... MSD is aware of this problem and they mention it in the instructions. There is a filter that you can buy that will fix the problem, my fix was to get an external tach. Its much more accurate and it definately doesn't jump around any more

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Jay
black 85 Z28 - waiting on a new paint job, then she'll be real purty
blue 85 Z28- not running right now, but that should be fixed soon (I hope)
87 Chevy S10 Blazer- 2.8 liters of pure fury

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