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Thread: Bosch Plugs for a '73 S

  1. 11-14-2005, 01:11 PM #1
    Edwin Ek
    Edwin Ek is offline
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    Bosch Plugs for a '73 S

    These Bosch W5DP0 plugs are always listed on eBay:

    http://cgi.ebay.com/ebaymotors/6-NOS...14893384QQrdZ1

    and seem like a good deal.

    Are they right for a '73 S? My motor is all stock except for higher compression, coming from '70-'71 2.2 S pistons and cylinders. I use the car just for fun driving on the street and highway.

    I looked on the Bosch website, and there are now platinum plugs with 2 ground electrodes and 4 ground electrodes. Which are the eBay ones, and has anyone noticed a difference in performance or driveability?

    TIA,
    Ed
    Early 911S Registry #224
    911S Targa 1973
    356B Roadster 1962
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  2. 11-14-2005, 01:39 PM #2
    kenikh
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    I think these were specced as original equipment, but if you do a search on this site, most people feel that the appropriate NGK is just as good and waaay cheaper. I have a set of these I have never used and will most likely stick with the NGKs.
    Kenik
    - 1969 911S
    - 1965/66 911
    - S Reg #760
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  3. 11-14-2005, 04:53 PM #3
    roblav
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    I just swapped 5DPO's for NGK's on my 70S engine, and the car runs better.
    1970 911S Coupe (Burgundrot) (sold)
    1967 911 Coupe (Light Ivory) (mostly gone)
    1966 911 Coupe (Sand Beige) (sold)
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