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docrodg docrodg is offline
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Join Date: Apr 2009
Location: Cape Vincent, NY
Posts: 841
Rebuild 2.0 1968 S Motorsheister autopsy part 2 (finally)!

OK... trying to continue along with what I started way back in October. Since then I have had some tough times and not able to get to any of this. To sum up look at the original post rebuild 2.0 1968 S Motorsheister autopsy and add since that fun time a complete remodel, full gut and rebuild of the bathroom on a 120+ year house, ball-freezing winter, 3 weeks helping my mother move, removal of 1/8" off the tip of my left thumb (from helping mother move), 1 week in Shanghai, and other assorted fun.

So, to update on the findings of this work, I am currently in the "clean and measure" phase of this. All measurements I take here are using calibrated equipment with NIST traceable gage blocks. In fact, I found that my inside mic was out of cal and had to adjust it!

First stop, Pistons/Cylinders:

A bit of carbon for so few miles... did those morons clean it???



Cylinders: All measure between 80.010 and 80.015 with 0.001 or less eccentricity (out of round) and the same for taper. Some minor wear marks on the sides of the bores as seen in these pics, but the original honing pattern is still visible.


Pistons... Here is a clean and unclean comparison. All are not yet cleaned up. Measure on the skirts at the required 1.5mm up dimension are 79.9746 to 79.976







As you can see the piston number is for a 69 S engine... another part change from those *&%*%$^$&^%#$@!@#%%$!

Our next stop: Rocker Arms and Camshafts! Followed closely by my favorite liquor store!
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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.
Old 04-09-2010, 02:40 PM
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