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mark '87 930's Avatar
 
Join Date: Feb 2006
Location: Toronto, Ontario
Posts: 727
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another deck height question

I'm reassembling a 3.3 turbo motor. No machining was done at all.

I am rebuilding using the same used pistons and cylinders (the case was not split). When I disassembled the motor, I had only one 0.25mm copper base gasket.

I checked the deck height now as I have started the rebuild and can either get 1.15mm or 1.4mm with either one or two 0.25mm shims. The only change I am making to my engine is the SC cams which from my understanding have higher lift.

Thoughts?

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1987 930
1956 Chevy 3100
2009 Subaru Forester
2003 KX250 X2(I like my toys!!)
Old 02-04-2010, 09:18 AM
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Join Date: Jul 2001
Location: Portland Oregon
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Mark,

Were your heads resurfaced (I hope they were)?

Use one base (.25mm) gasket for your 1.15mm deck height: you will not have any piston-to-valve clearance issues.
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Steve Weiner
Rennsport Systems
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Old 02-04-2010, 09:56 AM
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Yes, they were resurfaced.

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1987 930
1956 Chevy 3100
2009 Subaru Forester
2003 KX250 X2(I like my toys!!)
Old 02-04-2010, 10:37 AM
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