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Porsche Crest 1979 porsche 930 pistons installation?

i am putting together a 1979 Porsche 930 turbo and the pistons have a flat top. usually these kind of pistons have an arrow for this side toward front, these do no have that arrow. how do i determine the front of the piston?
Old 09-19-2008, 03:53 PM
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There is a small squiggle line on the top of the piston and one side that points towards the flywheel

Last edited by A930Rocket; 09-19-2008 at 04:35 PM..
Old 09-19-2008, 04:29 PM
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Found a pic from my rebuild.

Old 09-19-2008, 04:36 PM
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Yep...good picture Rocket!
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Old 09-19-2008, 04:37 PM
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thanx guys i thought thats what it was just wasn't 100%
Old 09-19-2008, 08:27 PM
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while your at it. When installing the piston rings, make sure the openings of the rings arent facing down (you will be alternating in three different directions). this will help prevent smoking on start up. Though Porsche's are allowed to smoke on start up, even the new ones (which they do)
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1979 Porsche 930: 3.4L, SC cams, Twin plug, Leask WUR, Custom SSI turbo exhaust, Tial WG, K27HFS, and we can't forget the Zork (short lived depending on my homeowners assoc.)
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Old 09-20-2008, 08:08 AM
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