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Thread: Spark plug wires?

  1. #1
    Registered Member vw2p5's Avatar


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    Spark plug wires?

    I know there’s a post for which spark plugs we should run in our cars, Are the Denso Plug wires on rockauto.com any good?
    Last edited by vw2p5; 06-20-2018 at 10:47 PM.

  2. #2
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    ngk and I don't know about the denso ones
    Last edited by stormkyori; 06-19-2018 at 08:53 PM.
    2002 Mazda Protege5 Pure White

    MP3 Flashed ECU | Mishimoto Radiator/Shroud | MS Door Sills & Shift Knob | OBX Short Shifter with CorkSport Bushings | Goodridge SS Brake Lines | CorkSport 3rd Link Mod | MPV Wiper Stalk & Tribute Nozzles | S2K Antenna | Cabin Air Filter Mod | Rear Bumper Guard with Matte Black Rear Valance | 205/55R16 Kumho Ecsta 4XII on 03 P5 Wheels

    Among the fair amount of maintenance work done.

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    Registered Member vw2p5's Avatar


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    Quote Originally Posted by stormkyori View Post
    ngk and I don't know about the denso ones
    Okay, thanks

  4. #4
    The Diagram Dude pcb's Avatar

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    I went with NGK too.

    Mazda recommends NGK plugs, I'm sure they're OK with NGK wires as well.
    The Diagram Dude

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    ......................... i12drivemyMP5's Avatar
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    NGK's here too.............4 tho because 1.8 coils.

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    Registered Member vw2p5's Avatar


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    Quote Originally Posted by i12drivemyMP5 View Post
    NGK's here too.............4 tho because 1.8 coils.
    How do you like the 1.8 coils compared to the stock ones for our cars?

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    ......................... i12drivemyMP5's Avatar
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    With the 1.8 coils and the ZFR long reach plugs it seems a bit smoother compared to oem and BKR plugs........

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    Registered Member vw2p5's Avatar


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    Quote Originally Posted by i12drivemyMP5 View Post
    With the 1.8 coils and the ZFR long reach plugs it seems a bit smoother compared to oem and BKR plugs........
    That’s cool, I’m gonna try those plugs with the stock coils. I’ve read some great reviews on them.

  9. #9
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    I have used the Denso wires, have not had any issues with them.

    I know they are cheap on Rockauto, and you might be worried about them, but they work fine on my P5. I also use the long reach plugs, NGK V Power ZFR5F - 11, and I noticed a slight difference for the better when I was using the US motor.

    I did have an issue a while back with the NGK wires, the boot that connects the cylinder 1 and 3 wires to the coils did not have a tight seal. I verified the part number on the box, but maybe the wires were misplaced in the wrong box somehow.

    They made me nervous, so I put the old ones back on, returned the NGK's to Advance Auto Parts, and bought the Denso's off of RockAuto. I have purchased two other sets since.

  10. #10
    ......................... i12drivemyMP5's Avatar
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    Denso or NGK are both fine. Have used both on all my Toyotas, Mazdas, Hondas over the decades...........but if they didn't fit right I'd go with something that does fit right too..............

  11. #11
    Registered Member vw2p5's Avatar


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    Quote Originally Posted by minkushunter View Post
    I have used the Denso wires, have not had any issues with them.

    I know they are cheap on Rockauto, and you might be worried about them, but they work fine on my P5. I also use the long reach plugs, NGK V Power ZFR5F - 11, and I noticed a slight difference for the better when I was using the US motor.

    I did have an issue a while back with the NGK wires, the boot that connects the cylinder 1 and 3 wires to the coils did not have a tight seal. I verified the part number on the box, but maybe the wires were misplaced in the wrong box somehow.

    They made me nervous, so I put the old ones back on, returned the NGK's to Advance Auto Parts, and bought the Denso's off of RockAuto. I have purchased two other sets since.
    Awesome, thank you! I was looking at the Denso thinking for that cheap how could they be any good? That’s why I posted this post, I knew someone had to use them! So thanks for sharing your experience since you actually used them! Really appreciated.
    Last edited by vw2p5; 06-24-2018 at 10:47 AM.

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