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Discussion Starter #1
Ok well like I stated on my other post. I took it to a local Chevrolet Dealership and they hooked up the computer on it and everything came out fine excepts for that the RPM guage is over by about 1200 but that the speedometer mark just fine. Any ideas or do I just need a new Instruument panel?
 

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El Teafive
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Ok well like I stated on my other post. I took it to a local Chevrolet Dealership and they hooked up the computer on it and everything came out fine excepts for that the RPM guage is over by about 1200 but that the speedometer mark just fine. Any ideas or do I just need a new Instruument panel?
try bypassing the Tach filter (it is on the back of the Driver side head)
 

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El Teafive
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How do I do that or what do you mean? And where is it located?
The tach filter might be causing you grief, It is on the back of the Driver side Head near the firewall. you will need to remove it and see if the tach then shows the right RPM. I have heard that this usually s the reason some of them are not correct.
 

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Discussion Starter #5
I will check it first thing tomarrow... But what does it look like? :huh:
 
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