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-   -   Max-Moritz Conversion (http://forums.pelicanparts.com/porsche-911-technical-forum/551750-max-moritz-conversion.html)

dpitman9 07-06-2010 08:40 AM

Max-Moritz Conversion
 
I am in the process of rebuild on my '80 SC - I have found that the piston/cylinder combination is a 98 mm bore - referred to as the "short stroke 3.2L conversion".
All is going well except I am having difficulty finding a source for the piston rings - the piston marking is "Mahle 98P11".
Anyone know where I can find rings for these pistons?

jpnovak 07-06-2010 08:43 AM

You will need to measure the ring lands and figure out which ring sizes you need. I built my 3.2SS with 98mm Mahle and had to get custom rings made from Total Seal. However, I think my top ring land had been recut from 1.5 to 1.75mm.

dpitman9 07-06-2010 08:47 AM

Thanks
My ring land sizes are 3.0 mm thick on the oil rings, 1.2 mm on the compression rings.
Is custom machining the only solution?

m110 07-06-2010 09:22 AM

Call engine builder supply, they will know

EBS Racing - Porsche Parts Exclusively

Carrerax 07-06-2010 01:21 PM

I just bought a set of Max Moritz rings from Rennsport Systems dot com. And no, pelican didnt have them.

dpitman9 07-07-2010 06:13 AM

Thanks - I am contacting Rennsport for their feedback on availability.
Do you recall the thickness of the compression ring set?

Carrerax 07-07-2010 06:17 AM

Sorry, I dont remember. I did measure the ring lands and they were standard. Steve hooked me up.

dpitman9 07-07-2010 07:56 AM

EBS had the exact rings I needed IN STOCK.
Thanks all the help and input.


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