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Registered
Join Date: Sep 2007
Location: Fresno, CA
Posts: 174
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JE pistons
I had bought these JE pistons for my 2.7L engine years ago but forgot what the compression ratio was. Does anyone have a good guess. I don't see any markings to say except 89m on the inside.
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08-30-2017, 10:05 PM
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Registered
Join Date: Sep 2007
Location: Fresno, CA
Posts: 174
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Quote:
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08-30-2017, 10:09 PM
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Registered
Join Date: Jul 2001
Location: Portland Oregon
Posts: 7,007
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Measure the compression height and dome height, then call JE and someone may be able to help.
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Steve Weiner Rennsport Systems Portland Oregon (503) 244-0990 porsche@rennsportsystems.com www.rennsportsystems.com |
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08-31-2017, 07:19 AM
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Registered
Join Date: Sep 2007
Location: Fresno, CA
Posts: 174
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Steve,
How do you measure the compression height? |
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08-31-2017, 02:06 PM
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Have a look at JE's custom piston ordering form:
http://www.jepistons.com/PDFs/OrderInfo/custompistons-orderform.pdf They provide images on how to measure what Steve mentioned.
__________________
-Jayson 1976 911S Signature Edition - 3.2SSt (JE 98mm 9.5:1 pistons, 964 Cams, Carrillo Rods, ARP Head Studs, AASCO Valvetrain, 3.2 Carrera Manifold, ID725's, B&B Headers, TS HyperGate45 Gen V, TS RacePort, BW S360, AEM Infinity 506, E85) IG: Signature_911 |
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08-31-2017, 03:26 PM
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1976 Porsche 911S 1979 3.0
