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vichang4's Avatar
 
Join Date: May 2003
Posts: 132
911 turbo piston orientation

I want to make sure I'm installing my turbo pistons correctly. Since they are flat topped there are no valve pockets to work with.
The way I understand it, the mark on the top of the piston that looks like a crankshaft should be oriented toward the flywheel?? In other words, standing on the left side of the engine and looking at cylinders 1, 2, and 3 the "crankshaft" mark would be to the left, and facing cylinders 4, 5, and 6 the mark would be to the right.

Is this correct?
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Victor Toce
2000 Boxster S w/
Tequipment exhaust
1993 Spec Miata
87 911 turbo - sold
3.4 RUF pistons and cylinders
Euro CIS head
Old 04-08-2005, 07:27 PM
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Join Date: Jul 2003
Location: Port Macquarie Australia
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Victor, I am no expert but that is the way my Mahle pistons were installed in my 88 930, also that is the way the factory workshop manual says to install them and it is the way I installed them in my recent rebuild.

Steve
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Old 04-09-2005, 01:53 AM
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vichang,

You are correct

AFJuvat
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Old 04-09-2005, 10:36 AM
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Thanks Steve,
You know I have the factory manual, and its in there just as plain as day. You know I should open that thing up more often.
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Victor Toce
2000 Boxster S w/
Tequipment exhaust
1993 Spec Miata
87 911 turbo - sold
3.4 RUF pistons and cylinders
Euro CIS head
Old 04-09-2005, 07:31 PM
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victor, did you split your case? if so, how did it go-what sealer out of interest?
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Andy

1980 SC soon to be big hp 3.3t powered 73RSR Replica (well, I'm keeping the engine but everything else is going )
Old 04-18-2005, 09:51 AM
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