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Sanity check : installing used 3.3 P&Cs .. good idea?

I came to the stage where I need to rise the bar a bit more with my 3.2 turbo conversion. running turbo on a euro 3.2 is too risky on the long run, and since my project was based on a limited budget, so I thought if I can find a clean set of 3.3 pistons and cylinders, that would be a much better idea to be safe and get the boost up to a more reasonable 10-15 pounds. care to know what do you guys think?

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-1977 911S Coupe, Mahle 3.4, single GTX3584 turbo, - G50 5 speed trans, Haltech 2500 engine management.
-1987 Carrera Coupe.
-2013 Carrera S PDK Coupe, factory Aero Kit. My DD.
-1987 928S4.
Old 10-24-2022, 06:11 AM
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If you can find a set that is well within spec, why not? I would always replace the ring pack and you will be in great shape. But you could always mill your existing pistons to achieve the desired compression ratio for less money.
Old 10-24-2022, 10:27 AM
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Originally Posted by Ollies930 View Post
If you can find a set that is well within spec, why not? I would always replace the ring pack and you will be in great shape. But you could always mill your existing pistons to achieve the desired compression ratio for less money.
I thought of doing that, but for the price of a good used set of 3.3 (which there a few around for sale), I'd rather keep my set as a spare, especially that they were replaced just a few thousand kilometers ago by the previous owner.

Definitely I will put in a new set of piston rings just in case, but the quest now is to find a good set for a reasonable price, if anyone has a set please let me know.

Thanks,,,
__________________
-1977 911S Coupe, Mahle 3.4, single GTX3584 turbo, - G50 5 speed trans, Haltech 2500 engine management.
-1987 Carrera Coupe.
-2013 Carrera S PDK Coupe, factory Aero Kit. My DD.
-1987 928S4.
Old 10-24-2022, 11:42 AM
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I have my original set lying on the shelf. I always kept it and thought I might need it one day. but now after 10 years i realize that i drive the car 1-2 times a year for a few km and i am at a point where i will soon give up the hobby.
so if you are thinking about installing 930 cylinders and pistons let me know, i would like 500 euros plus shipping.
I'm happy to take pictures for you, dominik
Old 10-25-2022, 06:24 PM
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Dang Dominik, that’s a super nice gesture towards our member Kamaro.
Old 10-25-2022, 08:35 PM
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Originally Posted by Dominik 930 View Post
I have my original set lying on the shelf. I always kept it and thought I might need it one day. but now after 10 years i realize that i drive the car 1-2 times a year for a few km and i am at a point where i will soon give up the hobby.
so if you are thinking about installing 930 cylinders and pistons let me know, i would like 500 euros plus shipping.
I'm happy to take pictures for you, dominik
Sure I would like to buy them giving they are still with in tolerance, please send me some pictures to my email (hamadup@g mail . com)

Thanks Dominik!
__________________
-1977 911S Coupe, Mahle 3.4, single GTX3584 turbo, - G50 5 speed trans, Haltech 2500 engine management.
-1987 Carrera Coupe.
-2013 Carrera S PDK Coupe, factory Aero Kit. My DD.
-1987 928S4.
Old 10-25-2022, 09:25 PM
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One more question, Would the stock 3.2 heads fit directly to a 3.3 cylinder without the 3.3 gasket?

Also, I call again if anyone has a good set of 3.3 pistons and cylinders for sale please let me know.

Thanks!

__________________
-1977 911S Coupe, Mahle 3.4, single GTX3584 turbo, - G50 5 speed trans, Haltech 2500 engine management.
-1987 Carrera Coupe.
-2013 Carrera S PDK Coupe, factory Aero Kit. My DD.
-1987 928S4.
Old 11-06-2022, 02:54 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #7 (permalink)
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