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  1. #1
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    Member No: 60903 vze33jng is an unknown quantity at this point vze33jng's Avatar
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    Yes | No

    Crank upgrade: I'm ready for it!!! Tell me more!?!

    I'm currently digging into the archive about 86,88.3, 90mm cranks. I am looking for piston requirements, rod requirements, and anything else that affects this mod.

    Why? My crank was a little bunged up by the missing crank nut, and it'll cost me $300 to repair. If I already need pistons (I do), then why not research a slight stroker rebuild? I'm going to be boring the minimum over stock, so I'm not interested in gains to be had there... or am I. Sometimes, you have to say something before you actually consider it. Anyway... If no one has anything to say about piston manufacturers during the week, maybe some folks'll chime in with the crank solutions they've hooked onto.

    One important fact is the average price for the crank(s) in question. Repair costs $300...
    '87 <b>528e</b> "is" 214.5k
    '88 <b>M5</b> 193k (Head removed, ready for reassembly)
    Dinan gen.1
    OEM Front & Rear Fuzz-buster


  2. #2
    Bruce
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    car is 18 years old already why save the overbore

    stock?
    if you are going for the full job, and the parts are the same price... why not just go max size? depends if you want to rebuild it again in year 2024 hehehe


  3. #3
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    Member No: 60903 vze33jng is an unknown quantity at this point vze33jng's Avatar
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    Yes | No

    I'm not sure if all the parts are the same price..

    Obviously the pistons are, but a stroker crank?
    '87 <b>528e</b> "is" 214.5k
    '88 <b>M5</b> 193k (Head removed, ready for reassembly)
    Dinan gen.1
    OEM Front & Rear Fuzz-buster

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