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-   -   CP vs. JE pistons (http://forums.pelicanparts.com/911-engine-rebuilding-forum/914613-cp-vs-je-pistons.html)

KTL 06-29-2020 06:42 AM

In order to avoid re-plating your cylinders, you need to precisely measure them with a 0.0001" resolution bore gauge and then have your JE or CP pistons made to the appropriate diameter. My recollection is the desired clearance for JE is 0.0015" and 0.0020" for CP. CP clearance is provided on their spec sheet, which I have

Note that chris_seven passed away in case you were hoping for a response from him. Incredibly knowledgeable and helpful guy. He will be missed........ :(

stownsen914 06-30-2020 06:38 AM

So sorry to hear about chris_seven. He was a great contributor here :(

RedCoupe 06-30-2020 07:57 AM

Yeah, that's sad. A couple of years ago I emailed him and asked him his opinion on a metallurgical question and he replied almost immediately with a long, thoughtful answer. Too bad.

Edelweiss 07-01-2020 01:35 PM

Chris
 
Oh **** - Chris was one of the best !

I have liked him a lot and he was one of the few I have respected by knowledge and personality ...

Rest in peace !

Yours in sport,

Dirk

Walt Fricke 07-02-2020 06:08 PM

Chris
 
Oh no, ditto. His technical engineering expertise was a giant benefit for those of us reading on technical issues. Even better, he was willing to explain things to us. I took his silence starting a while ago as a bad omen, and it seems it was.

911WAM 07-02-2020 07:31 PM

Its is indeed very sad to hear about Chris :(

Thank you for the insights Master KTL, i will look into it!

brighton911 07-06-2020 03:30 AM

So sorry to hear of Chris's passing. I really valued his wealth of knowledge and concise explanations. He will be sorely missed.

911 tweaks 07-06-2020 02:48 PM

Chris was a great guy..,
One of the best explainers like Grady was...
He will and is missed by MANY...
Thx for all of your help.......

safe 07-07-2020 05:17 AM

Great guy on the different forums. Great knowledge.

356RS 07-17-2020 05:24 AM

Yes overloaded with knowledge. Sorry to hear about his passing.


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