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Registered
Join Date: Apr 2009
Location: Cape Vincent, NY
Posts: 841
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Finally COntinuing Engine Evaluation - Piston help
Hi All,
Been traveling and remodeling a bathroom so no time (and too cold in unheated garage) to continue my teardown of the motorsheister autopsy I started last fall. Finally got time to get back to it and found one of my micrometers out of calibration. Got that fixed so I can go on and measure everything and will post update in next couple of days (things are going slowly, I cut the end of my thumb off). In investigating the pistons and cylinders further I have a question on these regarding the manufacturer marks to assist in determining if they were swapped out by those hacks. Pistons have ID number 80P26E - searched many places and I know it was a number for 69 but I have a 68 S - was this also a 68 S number? Cylinders are biral (80zd3) but is there a difference in manufacture that would id if they are indeed for a 68 motor? Help is much appreciated.
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1968 911S "Leona" Air goes in and out, blood goes round and round, any variation on this is a bad thing. |
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04-06-2010, 04:50 AM
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Registered
Join Date: Apr 2009
Location: Cape Vincent, NY
Posts: 841
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Anyone??? From what I have found around the only reference to these numbers are for 69 S pistons. Is that correct?
__________________
1968 911S "Leona" Air goes in and out, blood goes round and round, any variation on this is a bad thing. |
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04-08-2010, 05:13 AM
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Moderator
Join Date: Dec 2001
Posts: 9,569
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Sorry to hear about the end of your finger!
Here is the most complete list by our friend Tom. Piston I.D.? - Early 911S Registry Bulletin Board That suggests that they are 69S. Do you have a photo, it's easy to confirm.
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'66 911 #304065 Irischgruen ‘96 993 Carrera 2 Polarsilber '81 R65 Ex-'71 911 PCA C-Stock Club Racer #806 (Sold 5/15/13) Ex-'88 Carrera (Sold 3/29/02) Ex-'91 Carrera 2 Cabriolet (Sold 8/20/04) Ex-'89 944 Turbo S (Sold 8/21/20) |
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04-08-2010, 06:34 AM
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Registered
Join Date: Apr 2009
Location: Cape Vincent, NY
Posts: 841
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Quote:
I will get pics up later... I am finally continuing my autopsy of this motormeister rebuild and finding more scary stuff, but it is taking a long time to clean these parts up and measure as I have other obligations, and my thumb slows it down. Seems that chem-dip is a strong cleaner - and on a major flesh wound like mine it can cause new and "elevating" levels of pain. SO I am basically stuck doing all cleaning one-handed right now.
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1968 911S "Leona" Air goes in and out, blood goes round and round, any variation on this is a bad thing. |
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04-08-2010, 06:40 AM
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