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Guest Message by DevFuse
 

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Correct NGK plug number for 1.8OHC?


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6 replies to this topic

#1 SovereignMK

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Posted 31 October 2003 - 03:55 PM

Is BPR6EY-11 right?
//M

#2 SovereignMK

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Posted 31 October 2003 - 04:03 PM

Ok, I've checked and everything says it's the right part #. Though I'm getting a sputter like somethings not firing(guess) after changing the plugs(BPR6ES-11 was in there previously). I've pulled the wires and plugs and redid it but still a rough idle and has the tendency to die.

//M

#3 SubaRube

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Posted 31 October 2003 - 04:21 PM

That's the one most people on the USMB use, from what I've read. I put some in my 87 last month with a SuperStock coil. No problems here. What did you gap them at?

#4 SovereignMK

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Posted 31 October 2003 - 04:36 PM

I just tossed them in:-\ :confused: It's supposed to be.044 iirc right?

//M

#5 Adam N.D.J.

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Posted 31 October 2003 - 04:40 PM

I use BPR6ES-11's in all my rigs, haven't had a problem yet. I gap at .045, which is .001 larger than the stock gap, but I also have stock coils too.
As for the rough idle, could it be something else? Vacume leak or whot not? You can see if it is one particular cylinder thats causeing the problem. Leave the engine idle, and pull off the plug wires from the dizzy one by one. If you pull one off and the engine smooths out, you've found the problem cylinder, if none of them make a difference, then you've got a problem somewhere else. Also make sure you check the gap. I've pulled some out of the box that had very little gap, and others have had huge gaps in them, so you should always check the gap first.

#6 SubaRube

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Posted 31 October 2003 - 04:43 PM

I think that's your problem. Specs. say .039-.043. if I remember correctly. I have no idea why they come factory gapped at .044. I was tripping on that when I bought them.
I didn't re-gap mine because the SuperStock coil allows you to gap them up to .050.
Everyone recommended the new coil (Accel #8140), since they're only $30-$40, and does a better job than the stock one.

#7 beauregaardhooligan

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Posted 31 October 2003 - 07:15 PM

If you have the SuperStock, open the gap to .050.
If you have a bad plug, pulling the wire won't show it. Try moving the plug to a different cylinder.
A dirty fuel filter can cause a miss.




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