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Registered
Join Date: Feb 2005
Location: netherlands
Posts: 38
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Plastigage or not??????
I'm almost ready to start rebuilding the engine and one of the first things to do is assembly of the crankshaft & the crank rod's.
In Wayne's book he explains how to measure the clearances between shaft & rod with plastigage. He also mentioned that the're are sceptics on using Plastigage. While this is my first time rebuilding a 911 engine, I was wondering what your experiences are with using Plastigage and how you guys detemined whether the clearances are sufficient. I appreciate your help!! |
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03-04-2005, 08:12 AM
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Registered
Join Date: Jun 2003
Location: St Petersburg, FL
Posts: 3,814
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I use precision instruments since I work in a machine shop but plastigage is a reasonable measurement tool that you can use to check bearing clearances.
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03-04-2005, 05:52 PM
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Registered
Join Date: May 2003
Posts: 132
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I used Plastigage when I rebuilt my engine. Just followed all of Wayne's instructions and the clearances were just right. I also checked all six rod bearings to make sure they were all just right. I used ARP bolts so retorqueing was not a problem.
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Victor Toce 2000 Boxster S w/ Tequipment exhaust 1993 Spec Miata 87 911 turbo - sold 3.4 RUF pistons and cylinders Euro CIS head |
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03-04-2005, 08:07 PM
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Registered
Join Date: Aug 2003
Location: New Zealand
Posts: 310
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Hessel
For what is worth my engine builder doesn't use plastigauge he just used a dial bore gauge on the case and rods. Plastigauge is more difficult to work with and I think the results are too variable Neven |
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03-04-2005, 10:30 PM
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Air Medal or two
Join Date: Jul 2003
Location: cross roads
Posts: 14,081
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All the tools in the world are nice......but good ol plasti guage is good for a mental check.....also you sleep better at night cause you know your machine shop did it right...you have the correct bngs installed and stuff.
I remember one time I was assy. a eng almost did not ck the work....WOW I had been shipped wrong size mains (1 size loose!) so I would say I am not embaresed to use the stuff. "Thats all got to say about that" (-Forest Gump-)
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D troop 3/5 Air Cav,( Bastard CAV) and 162 Assult Helicopter Co- (Vultures) South of Saigon, U Minh Forest, Delta, and all parts in between |
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03-05-2005, 07:04 AM
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