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12-03-2019, 11:02 AM
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#1 |
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Registered User
Join Date: Jan 2002
Location: Sahuarita, AZ USA
Posts: 2,033
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factory tach
Has anyone figured out the issue with these? I have an HEI in my 402, and the tach is way off. I know I've got a 4:10 rear end, but the tach reading would indicate about a 7:50. Can they be calibrated? A friend suggests it needs a filter?
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Bill - Tucson, AZ 47 Chevrolet 2 dr sedan 56 Chevrolet 210 2 dr sedan 66 Chevrolet Malibu 2 dr 4 speed 71 Chevrolet C30 Longhorn 86 Chevrolet Monte Carlo SS (Sold) 01 Chevrolet Tahoe IM - BUSTERWIVE@aol.com |
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