NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   -   Spark Plugs (https://www.nopistons.com/2nd-generation-specific-17/spark-plugs-14620/)

CrashFactory 03-29-2003 12:36 PM

Ok i know some1 posted sumthing about this earlier, but here goes,

the trailing are on top and leading on bottom (this is according to my

user manual) now my question is, i have the strange looking plugs

(the NGK's with the crosshair type design) on top, and normal type

plugs on bottom that isn't right is it? and is it ok to use normal plugs

for both? my car runs but in low rpm's it's sluggish....just wondered if

when they were changed (they were changed right be4 i got the car)

that the mechanic could of got confused and put them in backwards,

which i would have done also if i hadn't had seen that in the manual..

https://www.nopistons.com/forums/pub...1047683561.gif https://www.nopistons.com/forums/pub...1047683664.gif

j9fd3s 03-29-2003 01:14 PM

the leading and trailing should both be the wierd cross ones



mike

relisys190 03-29-2003 01:24 PM

absolutly correct. Trailing -TOP Leading -Lower (bottem)



Ngk plugs are to be used... both with the Crosshair

CrashFactory 03-29-2003 09:24 PM

and if i have the normal type on my leading? could this cause a little

hesitation in acceleration? (i was a poet and didn't...realize it.) i assume

the leading plugs ignite the gas, and the trailing burn off the excess and

spent gas, so the better plugs are burning off excess gas instead of

igniting it.....this could be a problem eh?

j9fd3s 03-29-2003 09:27 PM

yeah it might cause a hiccup



mike

CrashFactory 03-30-2003 08:53 AM

k, gotta go get my car and at least switch em around till i can get 2 new sets of em.....

CrashFactory 03-30-2003 08:54 AM

P.S. how u ppl like the avatar?

Rob x-7 03-30-2003 11:28 AM

BUR9EQ and BUR7EQ are the plugs to be using, you cant **** it up

because the plugs are marked as to which is the trailing and leading,

1 is towards the front of the car and 2 is the rear of the car. Put a little dab of anti-seize on the threads of the plug before installing. Install them as they come in the box, there is no gapping.


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