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Which oil plungers should I use?
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Matthew Tolbert
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Joined: March 27, 2004
Posts: 706
Location: Georgia
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PostPosted: Sat Jul 28, 2018 12:37 pm    Post subject: Which oil plungers should I use? Reply with quote

I have several oil plungers and springs to choose from and have read numerous threads all with conflicting opinions. So which ones are correct to use? The plungers and springs marked in pink were in the engine. I have another complete set not pictured. The plungers are all the same diameter except the grooved one shown and they all vary in length. The springs are all close to the same in wire diameter and lengths.

Oil plunger sizes
15.89mm x 23.62mm grooved was in engine
15.94mm x 18.80mm was in engine
15.94mm x 18.31mm
15.94mm x 18.92mm
15.94mm x 18.41mm
15.94mm x 18.50mm
15.94mm x 23.50mm grooved not shown
15.94mm x 17.66mm not shown

Short springs
1.42mm x 31.56mm was in engine
1.39mm x 30.62mm
1.40mm x 31.10mm
1.41mm x 29.88mm not shown

Long springs
1.56mm x 76.98mm was in engine
1.65mm x 77.19mm
1.57mm x 79.20mm
1.59mm x 78.30mm silver not shown



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fivelugshortaxle
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Joined: May 13, 2011
Posts: 4254
Location: Aumsville, Oregon
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PostPosted: Sat Jul 28, 2018 1:48 pm    Post subject: Re: Which oil plungers should I use? Reply with quote

Popcorn
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Dougy Dee
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Joined: August 21, 2004
Posts: 1669
Location: Niagara Region, CANADA
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PostPosted: Sat Jul 28, 2018 2:39 pm    Post subject: Re: Which oil plungers should I use? Reply with quote

This is an interesting read...
http://www.itinerant-air-cooled.com/viewtopic.php?t=12422
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