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Thread: Pistons/Cylinders

  1. 02-25-2015, 04:26 AM #1
    sebastianroher
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    Pistons/Cylinders

    Looking for a set of pistons and cylinders to convert my 2.2 to 2.5. If anyone knows a good place to pick up a set or has some, please let me know. Thank you.
    1971 911t coupe
    2002 Camaro z/28
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  2. 02-25-2015, 07:34 AM #2
    typ901
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    do you perform this mod w/ larger pistons or a 70MM crank ?
    84102 purchased in '85 FINALLY started driving it (2/2015)
    '73 911T original paint sunroof coupe waiting in the wings
    3 gauge Holbert 912... now for something completely different
    1940 Mercury town sedan
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  3. 02-25-2015, 09:53 AM #3
    Rusty
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    Larger bore.
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  4. 02-27-2015, 01:47 PM #4
    913
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    I have a friend with a set of almost new 92mm Mahle RSR pistons and cylinders. Bought from Andial, in the original box. I talked to him today and he said he is going to sell them. If you are interested send me a pm and I will get you his contact info.
    Thanks,
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  5. 02-27-2015, 02:19 PM #5
    sebastianroher
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    Quote Originally Posted by 913 View Post
    I have a friend with a set of almost new 92mm Mahle RSR pistons and cylinders. Bought from Andial, in the original box. I talked to him today and he said he is going to sell them. If you are interested send me a pm and I will get you his contact info.
    Thanks,
    pm sent! Thanks
    1971 911t coupe
    2002 Camaro z/28
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  6. 02-27-2015, 06:09 PM #6
    72targa
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    I believe the 90 mm RS Pistons were used to build up to the 2.5 motor...
    Peter Kane

    '72 911S Targa
    Message Board Co-Moderator - Early 911S Registry #100
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  7. 02-28-2015, 02:33 AM #7
    66S
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    RS pistons with short stroke crank has too low compression. I think you will need JE or other aftermarket pistons.
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  8. 02-28-2015, 06:51 AM #8
    sebastianroher
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    What do you think about this?

    http://lnengineering.com/porsche-911...iston-set.html
    1971 911t coupe
    2002 Camaro z/28
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  9. 05-17-2015, 08:32 PM #9
    raspy2point2
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    the real 2.5 set up is Mahle 89 mm 10.3: 1 compreeion with 66mm crank. Chris
    1. Chris-Early S Registry#205
    2. '70 911S Tangerine
    3. '68 911L Euro Ossi Blue
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