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Mahle piston marking?
Please help me understand the meaning of the marking on top of 3.3l turbo piston.
I think it indicates that wrist pins are 0.5mm offset. Is that right? If so, how do I install the pistons - which way should markings face? Thank you in advance! Ray 
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03-21-2016, 06:15 PM
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Registered
Join Date: Dec 2002
Location: Long Beach, CA
Posts: 1,263
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It's for offset wrist pins, as you say. The symbol is a pictograph of a crankshaft. The rectangle is the flywheel end, which shows how you should orient the piston.
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03-21-2016, 06:29 PM
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Yes, offset. The squiggle mark is on the side of piston nearest flywheel.
Alan
__________________
83 SC, 82 930 (track) - Stock except for RarlyL8 race headers, RarlyL8 Zork, K27-7006, 22/28 T bars, 007 Fuel head, short 3&4 gears, NGK AFR, Greddy EBC (on the slippery slope), Wevo engine mounts, ERP rear camber adjust and mono balls, Tarret front monoball camber adjust, Elgin cams, 38mm ported heads, 964 IC. 380rwhp @ 0.8bar Apart from above, bone stock:-) |
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03-21-2016, 07:31 PM
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Porsche 996 Carreras S
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