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Spark Plug Clarification Please - 1981 Turbo 200

posted by  DougC on  Sun May 1 04:36 CST 2005
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last visit: Sun Aug 10 08:30 CST 2014
[RELATED]

The owners manual recommends the same spark plug for both Turbo and non-Turbo. It recommends Bosch WR7DS which I believe cross references to an NGK BPR6ES for both engines. IPD recommends this plug for a non-Turbo and a BPR7ES for the Turbo engine. Any advice would be appreciated. I'm not sure which to buy for my son's 81 Turbo.
--
Thanks everyone for all the help, Doug C. 81 242 Brick Off Blocks, turbo bars and wheels, M46; 86 244, B230, 150k , auto.








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    Spark Plug Clarification Please - 1981 Turbo 200

    uid 30890's pic
    posted by  dnvolvo on  Sun May 1 05:20 CST 2005
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    last visit: Wed Jun 16 03:19 CST 2010
    [RELATED]

    This is correct. According to NGK, the NGK 6 is the equivalent to the Bosch 7.
    The NGK 7 plug is colder than the NGK 6 plug -- this is why IPD recommends it for Turbo engines. I believe many run the colder plug; however, you can run either plug and both should be fine. I've got the 7s in an 89 760 Turbo and the engine runs well. A perspective is if you plan a lot of city driving go with the 6s or if primarily highway go with the 7s.
    --
    dnvolvo '89 765T 200K - '91 245 100K








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    Spark Plug Clarification Please - 1981 Turbo 200

    posted by  someone claiming to be Rhys on  Sun May 1 05:15 CST 2005 [RELATED]

    The BPR6ES will be fine for the turbo engine. Unless your son is routinely driving the car very hard, and pinning the boost gauge at every opportunity, you don't need the 7's. The NGK plugs are best - I don't like Bosch anymore simply because they have flooded the market with gimmick plugs.







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