Years ago I had tons of problems with accell and NGK wires from the parts stores, seems after a week they would get week and i'd get spark blow out as low as 16-18psi, so i bought a set of 85 dollars magnecores and have loved them since.

Well lately a few of them have gotten to where thy are arcing inside the bay to other things causing a miss at idle and cruise mostly so its time to replace them.

I see other pics of bays running smaller accells and NGK' but not knowing what performance or power those are making for you guys. But also since my magnecore swap i've also started gapping my plugs much smaller (which even back then i didn't have huge gaps)

But who is running "parts store" cheaper plug wires in the 30psi range on stock ingition system with success and what brand wires, brand plugs and gap are you running them at

alsoi'm NOW on e85 (was on pump back when i switched) so i'm just looking for info to make a purchse of some wires with confidence

let me know what ya run andhow they do and how long they last

I've read problems with magnecore wires overtime like you described. Look into MSD wires. I have the 8.5mm wires and love them.

Before I switched to coil-on-plug I was running msd wires and loved them never had an issue with them. Im madly in love with how smooth my car runs now with the coil on plug setup maybe worth looking into for your setup much stranger spark and less chance of arc blow out.

Hi, I also have problems with NGK wires. I have tried both NGK BPR7ES and BPR8ES and seem to make no difference, so I guess it must be the wires. Rarely, but still i got some misfires @ around 6500-7000 RPM. I haven't played with the spark plug gaps yet. And I am only making 23 psi

I run anywhere from 27-30 psi on my setup with some BRE7s gapped at .025 and they seem to be going good so far but then again im fighting knock sensor misreadings alot so I guess it could be misfires. I may be swapping to COP soon and if the issue goes away ill report back.

I've said it a million times... Do not run the BPR plugs run the BR plugs! The center electrode on the BPR plug sticks out further and it causes spark blow out. Every single DSM I have worked on that had this issue, I switched the plugs and it was fixed.

Good for 800awhp:

- Stock coil pack
- Taylor 77232 wires
- NGK BR8ES gapped .019-.022 will work for 95% of all dsmers

I now have a COP setup I'm gonna try but I'm not convinced whereas I've seen too many problems with almost every aftermarket ignition module.

Same

Taylor wires
stock coils
BR8ES gapped to .24

36psi on a gt4294 never missed a beat

I have taylor 10.3 wires on all my cars never had a problem with them above 30psi

I should add i've never had an issue with magnecores when they are new/half new/semi-old.. oly after roughly 10 years are they starting to give out (probably thebest wire i've ever invested in!!!!!)

Well, for those on the COP setup, what management are you running/ Honestly you give up spark energy when you run COP from a a stock/stock style ECU that fires in wastespark (unless you back it with a CDI but then again a stock system backed with CDI would still bebetter) reason is there's still only the same amout of charge timebeing split between the coils.

I have a haltech e6x and although i can run sequential spark, i would have to give up the true sequential injection to get it because i simply don't have enough outputs to run both sequentially (and i am trying for the best fuel economy i can)

I've ran the magnecores for almost 10 years and they are only JUST NOW giving any signs of wear, i think they were a great investment. just right now i'm brok with the holidays and can't afford another 85 bucks on wires, and when i see the magnecores sparking atthe coils at night when i jiggle them i know it's time to replace them

just seems like i've seen people running good times with those thin little parts store accell wires some where on here and i was wondering if and who that was (since they're only 20 bucks a set )

anyway, keep the popinions coming and i have to give a big "+1" to NOT runing the BPRS plugs as the protruded electrode causes detonation/pre-ignition when being run hard and hot

I'm at 27-30 psi on E85. I've had many spark problems & changed out everything EXCEPT trying br's. I'll try that next, thanks.

-Stock coils
-BPR7's gapped 0.21
-Accel 300 Thundas from down unda

I run oem NGK wires, and Autolite 63's gapped to like .024 I never had any issues until I was over 30psi.

I'm running the blue ngk wires. No problem for me. I'm running 30+ with my plugs gaped to .024

I completly agree with you Glen about using a COP setup. I'd say most people are just using it to get a better under hood look and yes, it does look much better, but it is inferior to our stock setup unless done 100% correctly with a sequential system using a stronger CDI.

I haven't read much on plugs in a while so I'm out of the loop on using BR plugs. I wonder if that's what my issue was when I was getting a lot of knock readings trying to tune. I was using BPR8ES plugs at the time.

LiquidX said:

I completly agree with you Glen about using a COP setup. I'd say most people are just using it to get a better under hood look and yes, it does look much better, but it is inferior to our stock setup unless done 100% correctly with a sequential system using a stronger CDI.

I haven't read much on plugs in a while so I'm out of the loop on using BR plugs. I wonder if that's what my issue was when I was getting a lot of knock readings trying to tune. I was using BPR8ES plugs at the time.

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What kind of fuel are you on/ I would think even with the "P" plugs (for protruded electrode) that would stillbe cold enough to not cause any issues unless you're running high intake temps, high boost and crap gas. Have you done a sea foaming in the last few years (or run water injection regularly?)

Hmm... the people running the blue NGK's puzzle me in some sense, maybe i need to try those and not the ACCELL's... I took and dipped my magnecores in silicone tonight and let them dry while doing an oil change and other maintenance to the car so they are sealed upgood again now.. although it's not a true testament of a wire, the magnecores have high resistance and i wonder if i'd get better spark transfer on something a little lower that still made for use in a passenger car>>>>????

I Am running BR7ES plugs on the stock ignition (pulled my MSD to sell it for much needed dough, now regretting it but don't want to wire it back up ) Ihave my plugs gapped at about .018" and don't get any blow out on e85 at 25 - 30psi (untill the wires start acting up) but the AFR's are really picky and have to be rather lean to not blow out (mid 12's is a MUST)

On the MSD i could run .024" gap, 11;1 AFR and 30+ psi with no issues ( i miss that box i tell ya) and i was running BR8ES plugs (BPR6ES is stock, and NGK unlike all other plug makers get colder with a higher number on them)

Another thing is the knock sensor, go to a 1g if you have a 2g unit... if you have a highly modded engine get rid of it all together IMO (i run a saturn KS for an engine with an 88mm bore through a J&S safeguard individual clinder knock control unit and when it's not tuned even this fine piece of equipment can be made to pick up AC pumps, suspension rattles andmuch more... the brace on the intake even makes a difference (i dont use one now)

IMO the stock KS is useless once you get past a cat back, BOV and K&N filter, it's just too picky, the saturn one is good with the J&S but i ran for almost 9-10 years with no KS at all and with reasonable timing levels and smart AFR's never had a single issue related to detonation (i would use an MSD knock box on the dyno but it's junk anyway too i learned) the best thing you can do is make a set of det-cans and de-tune/eliminate the KS using that as a backup means to know there's really no noise out of the ordinary

today was the first time taking the boost up to 25psi since the last valve to piston collision and flywheel coming loose and wow i forgot whati had here (had been at a boring 21psi and on my turbo 21 is BORING, but hot damn 25 is ALIVE!) Started pulling some logs and had to dial my timing attack rate back a little in the lower boost areas while it builds to keep it from onsetting early, but now she's running great, pinning me in the seat and several PSI left to go (and a lot of leaning out to do) before i run out of injector and pump again

I still wish i could get a big 16g to play with.. having run big turbos so long i'd love to get a b16g and just weld the flapper shut, set the external gate to 30psi and see what i can do with it.. the broad torque curve would have to be pleasing, and probabaly much more fun in traffic, as long as the thrill of 25+psi on the 67mm unit wasn't missed too badly

I am also running the NGK plug wires, or should call them black since they are so old they turned black from dirt and oil over the years. Its definitely time for me to get a new set. Plugs are br8es gapped to .024 30psi on pump/meth.

E85. NGK BR8ES gapped to .025" and Nology Hotwire plug wires, 30psi. ---> Nology Hotwire

gofer said:

E85. NGK BR8ES gapped to .025" and Nology Hotwire plug wires, 30psi. ---> Nology Hotwire

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wow, those wires look quite intense. did you actually notice a reasonable difference switching from whatever you had to those? i think i may pick some up but i would hate to spend that much on wires and be dissapointed.

For the price of those wires you might as well spend a little more and get a cdi box.

I run the napa specials with some bpr8es, gapped to below what a gapper can show . 35 psi on e85. I have a weird misfire at about 8300 rpm, thought it was valve float until I changed the valve springs and there was no change.

I went from bpr8's with magnecore wires gapped at .028 at 30psi on e85 with no problems to Intrepid coils on the same plugs with the same boost on e85. The only difference is on e85 with the cop setup is that at and above .028 gap as soon as you get above ~25psi it would start to get spark blow out. i just changed my gap to .025 and the problems subsided.

BTW, i've never had a problem with my ignition system as long as i've had either the COP or magnecores on pump gas.

I'll be looking to get an arc 2 box hopefully as soon as they figure out the problem with them.

I run a stock ignition with BPR7ES or BPR7EIX plugs Gapped 0.22 or LESS With Blue NGK wires.... I've never have had any Issues anywhere upto 35 psi on E85

NGK BPR7ES, NGK Wires, Stock coil with 102k miles and a Dynatech ARC 2 = 69lbs/ min or 37 psi on the old 6262

bastarddsm said:

I run oem NGK wires, and Autolite 63's gapped to like .024 I never had any issues until I was over 30psi.

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Autolites? Man, you really are a cheap bastard!

I ran regular NGK blue wires, and an NGK BUE surface gap plug to 34psi. Good enough for 135mph on my car.

1SLOW93TURBO said:

I've said it a million times... Do not run the BPR plugs run the BR plugs! The center electrode on the BPR plug sticks out further and it causes spark blow out. Every single DSM I have worked on that had this issue, I switched the plugs and it was fixed.

Good for 800awhp:

- Stock coil pack
- Taylor 77232 wires
- NGK BR8ES gapped .019-.022 will work for 95% of all dsmers

Click to expand...

Agreed. This is almost my exact combo. I just use the Taylor 10.4mm Thundervolt 50 wires instead. Taylor Cable 98069 - Taylor ThunderVolt 50 10.4mm Spark Plug Wire Sets - Overview - SummitRacing.com
I also run a ARC2 box. Proven to be good spark at almost 50 PSI boost and 9200 RPMs for me.

bwhite said:

I run the napa specials with some bpr8es, gapped to below what a gapper can show . 35 psi on e85. I have a weird misfire at about 8300 rpm, thought it was valve float until I changed the valve springs and there was no change.

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Any idea how much backpressure you have at the collector?