Mahle Piston ID

64vwmark Fahrvergnugen

930 posts · joined Dec 2004 · 9 Dec 2007, 5:40 pm

#624013

I have been pulling my motor apart and I was under the impression that it was 1641. On the inside of the piston I can't see 87 mentioned anywhere. The part number on the inside is 85ST80. Are these 85.5 mm pistons???

If so, I will be asking the shop who built the motor why this is so😬

Beach Buggy
74 L Beetle
Mk4 Golf

vw54 Administrator Always Waiting 4 Friday

16,723 posts · joined Aug 2002 · 9 Dec 2007, 5:59 pm

#624015

the size is stamped onto of the piston scrap away the carbon deposits

I read it on FACEBOOK so it must be true

http://forums.aussieveedubbers.com/viewtopic.php?tid=91278&page=1#pid848630

http://forums.aussieveedubbers.com/viewtopic.php?tid=63561&page=1#pid624099

http://forums.aussieveedubbers.com/viewtopic.php?tid=4832&page=1#pid452603

http://forums.aussieveedubbers.com/viewtopic.php?tid=60650&page=1#pid574409

64vwmark Fahrvergnugen

930 posts · joined Dec 2004 · 9 Dec 2007, 6:29 pm

#624018

That is first place I looked.....nothing there

Beach Buggy
74 L Beetle
Mk4 Golf

64vwmark Fahrvergnugen

930 posts · joined Dec 2004 · 9 Dec 2007, 7:34 pm

#624042

I had another look.....you're right.

They are 87's after all

Beach Buggy
74 L Beetle
Mk4 Golf