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Thread: Opportunity Knocking :)

  1. 10-13-2013, 07:36 PM #1
    Edwin Ek
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    Opportunity Knocking :)

    My '73 S has a damaged crank and rod. So replacements are called for. Is this an opportunity to upgrade anything, like better lighter rods or ...?
    Early 911S Registry #224
    911S Targa 1973
    356B Roadster 1962
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  2. 10-13-2013, 08:04 PM #2
    Flieger
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    Lighter rods, Titanium valve spring hats, bigger pistons and cylinders if you really want to get serious. JE makes some lighter weight pistons now using a new design so even if you stay stock diameter it would be lighter.

    Lighter is triple good in the engine because it is reciprocating weight that limits engine speed+fast the revs build, and engine longevity (lighter means less stress on bearings, etc.). In addition it is weight that comes off the far back of the car, improving weight distribution a lot.
    1971 911S, 2.7RS spec MFI engine, suspension mods, lightened
    Early 911S Registry Member #425
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  3. 10-13-2013, 10:53 PM #3
    YTNUKLR
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    You could see a very marginal benefit by doing a lot of work and spending a lot of money. Porsche did a good job. Find a std/std crank and a new set of ARP rod bolts.
    scott kinder
    kindersport@gmail.com

    Registry #614

    9110220587 - 1973 RSR revival in progress
    My Car Thread: "Five-Eighty-Seven..."
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