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  #16  
Old 10-07-2010, 02:09 PM
Stretch's Avatar
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Quote:
Originally Posted by Billybob View Post
...I almost forgot to mention it but I was wondering why you used the Plasti-Gauge in the manner you did as I’ve always used it across the bearing as described by the manufacturer and have always observed others to use it in that manner also?

http://www.plastigaugeusa.com/how.html
I've been back to the machine shop again today to check with the chap who advised me to do it that way - I got it a bit wrong - he said it doesn't really matter but that way round is really to check out of roundness if you don't have a micrometer. I misunderstood him and followed his instructions incorrectly.

I'm still planning to do the comparison I mentioned in post # 15 above on the (new) bits when I put them all back together.
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Last edited by Stretch; 10-07-2010 at 02:10 PM. Reason: Added in the post number which you can't see when you click on reply / quote...
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  #17  
Old 10-08-2010, 01:32 AM
whunter's Avatar
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Join Date: Dec 2003
Location: Metro Detroit, Michigan
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More DIY data

PlastigaugeUSA.com)
http://www.plastigaugeusa.com/

How Plastigauge Works
http://www.plastigaugeusa.com/how.html
http://www.jensenhealey.com/tech/plastigauge/how-to-use-plastigauge.html

Using Plastigauge to check clearances
http://guy-croft.com/viewtopic.php?f=3&t=950&p=4964&hilit=plastigauge#p4964

Fundamentals of Measuring bearing clearences
http://www.fordmuscle.com/fundamentals/plastiguage/

How to use plastigage to measure clearances
http://www.ehow.com/how_2142943_use-plastigage-measure-clearances.html

Plastigaging bearing clearances
http://mechdb.com/index.php/Plastigaging_bearing_clearances

Inspecting and Measuring the Crankshaft,
Main Bearings, and Saddle Bores
http://webtools.delmarlearning.com/sample_chapters/had73024_139_ch139.pdf
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  #18  
Old 10-08-2010, 06:16 AM
Fold on dotted line
 
Join Date: Aug 2007
Location: SE Mich
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Quote:
Originally Posted by Army View Post
Yeah strange eh? I was advised to do it this way...

'Tell you what I'll make some photographs when I'm putting the engine back together again and I'll check across and along the bearing to see if I get the same measurements.

Nice link by the way - kind of makes this thread redundant!

I could have said "Hey folks take a look at this link"...
I have seen the Plastigage used in multiple spots on the same bearing surface on plant machinery. To each his own, use te tool for what it does to help, right?
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  #19  
Old 10-12-2010, 12:43 PM
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Location: Central FL
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Leave it to the English to provide a Plastigauge kit with 2 types of grease.

I most recently used it on my 91 Jetta 1.6 IDI diesel where I did a quick and dirty in situ re-ring ( no chassis crossmember to get in the way on VW). I pulled the pan and checked several of big end and main bearings. It's handy stuff and will give you at least a ballpark idea on bearing condition.
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