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  • 1 Post By 33plym
  • 1 Post By NTFDAY
  • 2 Post By rspears
  • 1 Post By 33plym
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  • 3 Post By 33plym
  • 2 Post By Driver50x
  • 4 Post By NTFDAY
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  • 1 Post By Kylet7

Thread: SBC spark plugs
          
   
   

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  1. #1
    33plym is offline CHR Member Visit my Photo Gallery
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    SBC spark plugs

     



    Hi all , im new here and thot i would post a question. I have a 1970
    350. Pretty much stock, points ignition, eddy 1406 on an offy 360 intake. What brand plugs do you all prefer ? I put ac R44t in and had
    A dead plug in 2 different sets ! Are autolite any good ? Having a
    Hard time finding champion plugs that cross to an r44t. Any suggestions ? Can we say streetrod on this site ?

  2. #2
    33plym is offline CHR Member Visit my Photo Gallery
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    Dennyw. Thanks for The info. I gapped them at .035 I have no photos , I returned each set to the part store. I know parts arent made as well as in the past but it seemed weird that 2 sets from the same place would have a dud. I put autolites in it and it seems to be happy with them. I never ran autolites in a gm engine but so far so good.
    DennyW likes this.

  3. #3
    NTFDAY's Avatar
    NTFDAY is online now CHR Member Visit my Photo Gallery
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    I run E3's in my 76 Corvette and have had no problems
    Dave Severson likes this.
    Ken Thomas
    NoT FaDe AwaY and the music didn't die
    The simplest road is usually the last one sought
    Wild Willie & AA/FA's The greatest show in drag racing

  4. #4
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    Car Year, Make, Model: '33 HiBoy Coupe
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    33plym,
    Welcome to CHR! Yes, you can say Street Rod here!

    Sadly your experience with the old conventional AC plugs isn't a surprise these days. Their QC has become really, really bad! The old days of AC being best for GM, Autolite for Ford, Champion for Chrysler just doesn't ring true for me any more, and if you look at what Chevy/GM uses today you'll find it's mostly NGK, Denso and a few with MotorCraft. From Chevy forums they seem to be leaning to NGK as being the best all around plug for the Gen 1 350 SBC. For me, NGK has been my plug of choice for close to 20 years now, and that's what I run in my Ford 347 stroker and what will be in the 350 ZZ4 if I ever get that one finished!

    When you have time, post some pictures of your Plymouth! It's kind of dated now, but here's a link that gives the basics of posting into a thread. I find the Gallery to be a PITA, mainly because everything is just in a common list and finding anything specific is a hassle.

    Posting Multiple Images (Pictures) In A Thread
    Dave Severson and glennsexton like this.
    Roger
    Enjoy the little things in life, and you may look back one day and realize that they were really the BIG things.

  5. #5
    33plym is offline CHR Member Visit my Photo Gallery
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    Rspears, thanks for the info and I’m happy i can say streetrod! I was going to try ngk but they had to order them in so i took the autolites. They’re working well so they can stay right where they are. If i can figure pictures out I’ll definitely post them.

    Thanks again
    Dave Severson likes this.

  6. #6
    33plym is offline CHR Member Visit my Photo Gallery
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    Hope this photo works
    Attached Images
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  7. #7
    33plym is offline CHR Member Visit my Photo Gallery
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    Rio red. Nice and bright

  8. #8
    33plym is offline CHR Member Visit my Photo Gallery
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    It was painted 21 years ago !! Its laquer and its cracking as would be expected. Too bad because it was a beautiful paint job. Your truck will look great !! Isn’t it amazing that cars and trucks from the 30’s are still good looking vehicles.
    Last edited by 33plym; 05-22-2020 at 03:32 PM.
    DennyW, glennsexton and cffisher like this.

  9. #9
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    That Plymouth is sharp!

    I recently put a new set of AC plugs in my 95 Camaro, which has a V6. It ran good for about 500 miles. Then it started having an intermittent, random misfire for the next 500 miles. It eventually turned into a solid miss. One of the plugs had failed. The plug looked fine, but I changed just one plug and the engine runs great now. I’d never seen that before. Maybe it’s time to switch to NGK or something.
    rspears and 33plym like this.
    Steve

  10. #10
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    As I stated earlier I've had good luck with E3's in my Vette and I also run then in an 04 Dodge Dakota. A couple of years ago I drove from Springfield, Mo to Columbia, SC, about 870 miles one way, in the Dakota and averaged right at 20 mpg. Not too bad for a pickup and a driver with a heavy foot.
    Ken Thomas
    NoT FaDe AwaY and the music didn't die
    The simplest road is usually the last one sought
    Wild Willie & AA/FA's The greatest show in drag racing

  11. #11
    33plym is offline CHR Member Visit my Photo Gallery
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    Quote Originally Posted by Driver50x View Post
    That Plymouth is sharp!

    I recently put a new set of AC plugs in my 95 Camaro, which has a V6. It ran good for about 500 miles. Then it started having an intermittent, random misfire for the next 500 miles. It eventually turned into a solid miss. One of the plugs had failed. The plug looked fine, but I changed just one plug and the engine runs great now. I’d never seen that before. Maybe it’s time to switch to NGK or something.
    Thanks for the compliment on my car
    That’s exactly what happened to me. Cant buy much of anything thats good anymore I do have autolites in it now and so far its running great

  12. #12
    33plym is offline CHR Member Visit my Photo Gallery
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    Quote Originally Posted by NTFDAY View Post
    As I stated earlier I've had good luck with E3's in my Vette and I also run then in an 04 Dodge Dakota. A couple of years ago I drove from Springfield, Mo to Columbia, SC, about 870 miles one way, in the Dakota and averaged right at 20 mpg. Not too bad for a pickup and a driver with a heavy foot.
    Yep, i ran them e3s in my dodge ram and it did get better mileage. Not much but anything in that hog was a bonus
    NTFDAY, rspears and 36 sedan like this.

  13. #13
    Kylet7 is offline CHR Member Visit my Photo Gallery
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    Ngk

     



    I run NGK. For a sbc i believe the correct gap is .035
    rspears likes this.

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