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Thread: NGK spark plugs for 1971 911T

  1. 11-13-2015, 02:01 PM #1
    zenithblue71T
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    NGK spark plugs for 1971 911T

    Hi all,

    I have a stock 2.2 1971 911T with worn guides. I'm fouling the plugs and I hear if you go to a hotter NGK spark plug, I should be fine until I save the money for a rebuild. I'm having trouble finding the exact part number. Any ideas?

    Also, I'm reading here that I should stick with 87 octane fuel with no ethanol. Thoughts?
    James Hurst #1638
    R Gruppe #514
    911T with 2.2S Ps and Cs, Solex grind Cams and PMO 40mm
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  2. 11-13-2015, 03:25 PM #2
    chiroracer
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    I think it is a bp5es 7s are the cold ones
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  3. 11-13-2015, 06:05 PM #3
    Richy
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    NGK is the opposite of Bosch , lower number = hotter plug . bp5es may be a good choice . What do you have now ?
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  4. 11-15-2015, 10:34 AM #4
    zenithblue71T
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    I had Bosch super plus. Most were fouled. Tom Amon rebuilt my carbs and put in bigger Zenith jets for no reason. I put in NGK BP6ES spark plugs at $2.50 each. Seems to run well.
    James Hurst #1638
    R Gruppe #514
    911T with 2.2S Ps and Cs, Solex grind Cams and PMO 40mm
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