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platigauge tolorances

Old Sep 23, 2004 | 07:04 PM
  #1  
NoUseAbleNames's Avatar
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platigauge tolorances

what is the tolorance on a crank and rods if i check them with a platigauge??
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Old Sep 23, 2004 | 07:22 PM
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Stekman's Avatar
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From: Grand Rapids, MI
Car: Z28
Engine: Sb2.2 406
Transmission: Jerico 4 speed
Axle/Gears: Ford 9" 3.60
Plastiguage is a joke. If you are at all serious about tolerances, use the proper tools. Snap gauges, mikes, and dial bore gauges are all things I have used in the past.

And what clearances on the crank and rods are you looking for? Thrust? Bearing (rod and mains) tolerances? Rod side clearances?
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Old Sep 23, 2004 | 07:26 PM
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Air_Adam's Avatar
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From: Saskatoon, SK, Canada
Car: '83 Z28, '07 Charger SRT8
Engine: 454ci, 6.1 Hemi
Transmission: TH350, A5
Axle/Gears: 2.73 posi, 3.06 posi
Don't waste your time with plastiguage. Its nowhere near accurate enough for use on anything.

Get real tools to measure tolerances. PLEASE!!!
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Old Sep 23, 2004 | 09:14 PM
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i was going to use them to measure my main and rod bearing as i dont have calipers or any of that stuff. i got a pack of them in a rebuild kit and it doesnt say what was a acceptable tolorance. so if i get a set if calipers for the crank. what #s am i looking for???whats bad whats ok and whats good?
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