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Author Topic:   Tach Accuracy
Kyle
Gearhead

Posts: 421
From: Sumner, WA
Registered: Dec 2001

posted 06-19-2004 10:07 AM     Click Here to See the Profile for Kyle   Click Here to Email Kyle     Edit/Delete Message   Reply w/Quote
Is there any way I can check the accuracy of a tachometer? Like, say, with a multimeter or something? I have a little 2 5/8" Equis tach in my '66, and I just want to make sure it's reading accurately.

Thanks!

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Kyle Laramore

'63 Fairlane: 351W, 10.2:1, top-secret hyd. roller cam, Victor Jr. heads & intake, 800 DP carb, Super Comp headers, duraspark & 6AL, C4, 4500 stall, 4.11 gears, 26" slicks

'66 Mustang Coupe: 289, Offy intake, Crane Blazer hyd. camshaft, Holley 650 DP, Headman long tube headers, 3" cut-outs, Flowmaster 2-chambers, 3.80 gears

'70 Mach 1: 351C-2V, Weiand intake, 750 holley, Flowtech long-tube headers, MSD ignition, C6 trans, CJ converter, 9" track-loc rear, 3.50 gears, Flowmaster 2.5" mandrel exhaust w/ 3-chamber mufflers

My advice for building & buying:
1. "Never Assume!"
2. "Pay me now or pay me later."
3. "If it's too good to be true, it probably is."

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Moneymaker
Administrator

Posts: 26513
From: Lyons, IL, USA
Registered: May 99

posted 06-19-2004 10:10 AM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
Stop off at a chain parts store or shop that has a portable tach and dwell meter or timing light with a tach read out for a comparison.

------------------
Alex Denysenko
Co-Administrator and Moderator

NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA & SS/MA National Record Holder '00,'01,'02,'03,& '04
First SS/MA in the TENS!
IHRA division 5 Superstock Champion
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28

The Barry of BarrysGrrl

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