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Spark plugs

This is a discussion on Spark plugs within the Internal Engine forums, part of the LSx Technical Help Section category; Originally Posted by scotthd Horse power did a show this weedend or last that did a dyno test on a ...

  1. #21
    Member jujofields's Avatar
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    Pewter Metallic
    2002 Trans Am WS.6

    Quote Originally Posted by scotthd View Post
    Horse power did a show this weedend or last that did a dyno test on a motor to test stock plugs against I think they were C3 or E3 they showed a 6hp gain just with plugs..
    What plugs are you talking about?

  2. #22
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    Sunset Orange Metalic
    2002 Firehawk

    What about AFR heads - What # and brand ?

  3. #23
    Grand Imperial Wizard Sarge's Avatar
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    Retired Outlaw Sum Bitch

    NGK TR55's.

  4. #24
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    Sunset Orange Metalic
    2002 Firehawk

    Don't they have a tapered fit?The heads are a flat fit.

  5. #25
    Grand Imperial Wizard Sarge's Avatar
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    Retired Outlaw Sum Bitch

    Work just fine on many AFR setups.

  6. #26
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    Sunset Orange Metalic
    2002 Firehawk

    O.K. - Thanks

  7. #27
    Member scotthd's Avatar
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    01 ta red
    95 mustangV6

    they are called E3 I found them at jc whitney I watched the show you can probably look it up they showed a dyno pre instal with stock plugs then changed to the E3 and dynoed again and showed 6 hp gain and it cot like three tenths a mile better milage

  8. #28
    We'll be back... GatorSS's Avatar
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    Light Pewter Metallic
    2000 Camaro SS M6

    E3 (headquarters in Ponte Vedra Beach, FL) has a unique ground design, but the metal they use is nothing but crap. Just run those plugs for about 5k miles then check performance (HP & mileage)... it will suck. Pull the plugs and you'll see why.

    I experimented with their plugs for a year until I had enough of their BS. I've switched back to Denso Iridium plugs (same as the stock plugs when I bought the SS brand new almost 8 years ago).

  9. #29
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    Green
    94 TA GT

    I'm looking for a good iridium replacement plug to use in a stock WS6 car. I just want new fresh plugs that will last a long time, cause replacing them in this car is a real pain.

    Any suggestions on what to use?

  10. #30
    That guy thearborbarber's Avatar
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    White over Red
    1991 Suburban

    Summit carries the AC Delco Iridium plug for about the same money as platinums. I have a set of 8 on the shelf waiting for me to build up some ambition.

  11. #31
    Junior Member BowlingSS's Avatar
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    Pewter
    2001 Camaro SS

    I use to run TR55's but I have TR6's now.

    Bill

  12. #32
    cutting and welding mark21742's Avatar
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    hugger orange
    2004

    slp maf, lt's, 3" dual exhaust and a few other things, i run autolite 103's

  13. #33
    I lika da Chevy's LETHALxLS1's Avatar
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    BLACK
    Z/28 LS1

    Quote Originally Posted by thearborbarber View Post
    Summit carries the AC Delco Iridium plug for about the same money as platinums. I have a set of 8 on the shelf waiting for me to build up some ambition.
    ambition you will need.

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