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4cyl tacheometer ? |
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kenny g 
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Joined: December-13-2003 Location: United States Status: Offline Points: 318 |
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 Topic: 4cyl tacheometer ?Posted: April-27-2005 at 7:11pm |
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it's pouring rain,so i'm out in the old barn [and just as wet]wasting time when i find a box full of ol boat junk,gauges switches & stuff.i find a real nice tacheometer.stamped on the back is a couple #'s then 4cyl ?
is there a difference in a 4 vs an 8 cyl tach ? i do remember that i pulled it from an old 4cyl stern drive. no brand name,black face,lighted,chrome bazel,0-50,but 4cyl ? would it work on a v-8 and be accurate ? 
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kenny g
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jameski
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Joined: May-18-2004 Location: United States Status: Offline Points: 368 |
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Posted: April-27-2005 at 7:52pm |
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It would read double your actual RPM. Some tachs have a way to change from 4 to 6 to 8 cyl, but if it's set for 4, then it will count 2 revs for every 4 ignition pulses. You need to count 2 revs for every 8 pulses.
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