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Join Date: Apr 2003
Location: Carnation, WA
Posts: 623
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Piston to cylinder clearance
When making the measurement is it:
BORE - PISTON / 2 = Clearance or BORE-PISTON = Clearance In other words is the clearance measurement both sides of the piston or one side?
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David |
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01-30-2004, 08:41 PM
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Location: Canberra Australia
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The clearance would be the (bore - piston size) / 2, ie cylinder bore to piston (all round).
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PaulM 1977 930 1993 Nissan GT-IR 2000 Subaru WRX |
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01-31-2004, 01:45 PM
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I don't think this is correct, is it? I thought the clearance was the total clearance for the piston on one side with the other at zero clearance, not the "all round" clearance.
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Chris https://dergarage.com ‘07 GT3, '80 SC Weissach (For SALE), '01 986S, '11 958S, '18 Stelvio, '18 Dursoduro 900 |
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03-29-2006, 06:39 PM
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Location: Langley,B.C.
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Chris has it right, from what I understand. I posed this question not all that long ago on the board as well. It is cyliner bore - (minus) piston OD.
Cheers
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Turn3 Autosport- Full Service and Race Prep www.turn3autosport.com 997 S 4.0, Cayman S 3.8, Cayenne Turbo, Macan Turbo, 69 911, Mini R53 JCW , RADICAL SR3 |
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03-29-2006, 09:17 PM
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The right answer 2 years later
 ... I ended up getting new P&C's anyway.
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David |
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03-30-2006, 06:50 AM
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Procedure to measure cylinders can be found here: Another 3.6->3.8 Rebuild Thread...
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Chris https://dergarage.com ‘07 GT3, '80 SC Weissach (For SALE), '01 986S, '11 958S, '18 Stelvio, '18 Dursoduro 900 |
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03-30-2006, 09:58 AM
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Location: Langley,B.C.
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ooops, I never even looked at the dates!!
Cheers
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Turn3 Autosport- Full Service and Race Prep www.turn3autosport.com 997 S 4.0, Cayman S 3.8, Cayenne Turbo, Macan Turbo, 69 911, Mini R53 JCW , RADICAL SR3 |
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03-30-2006, 10:38 AM
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I just wanted someone searching (like _I_ was) to find the right answer.
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Chris https://dergarage.com ‘07 GT3, '80 SC Weissach (For SALE), '01 986S, '11 958S, '18 Stelvio, '18 Dursoduro 900 |
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03-30-2006, 10:48 AM
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911 3.8 "RS"
993 Cab
