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JJR Coil Packs Vs Oem Vs Splitfire Vs Other

4drftn

By 4drftn,
in R Series (R30, R31, R32, R33, R34)

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MBS206
MBS206

Hey guys, I run a set of the yellow jacket coil packs that Performance Wise offers. To set the scene, picture an RB30 block, built to "nissan spec" (Now, I use this term loosely, as the whole motor

performance-wise
performance-wise

Not true for Yellow Jackets. We tested the YJs thoroughly before releasing them to the market. Not just in the factory, but on the street and the track, in real life circumstances. Im still in contact

performance-wise
performance-wise

This is an outdated statement as everything is made in China these days. My Yellow Jackets are made in china and I oversee QC and work closely with my factory and now, 5 years later, and over 2000 se

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Marko R1 Grand Master

Marko R1

Posted
Posted
$560 for the box

$95 for the harness

Both delivered from Nengun. I have one in my car man. Seems to work a treat.

Would be a good idea to upgrade but its like changing the stock bov's on a gtr, no required.

If my ignition wasn't up for the task my tuner would have told me from the onset.

I'm only running 405awkw :) maybe when pushing monstrous power this mod is needed on the gtr

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elrodeo666 Mentor

elrodeo666

Posted
Posted
i never really thought about that - are you referring to the ignition box?

how much are they approx?

Marko I run the HKS Twin Power amplifier and was running Splitfires with no drama until new engine dropped in. I was always happy with the Splitfires performance.

We ran 2 new sets tuning the new engine and always at around 8200rpm we started getting misfire so went back to standard and sweet as. Engines putting out around the 450kw mark and still has to have final power check.

The Jap guys reckon the Splitfires are a great performance upgrade but when starting to push over 600ps upwards they tend to misfire. The HKS guys were always umming and aahing when I chose Splitfires over the standard coils. I'm not knocking them as they are a great product but they have their limitations.

Most big power engines/race engine in Japan are using standard coil packs or the Okada Project Plasma Directs

http://www.okadaprojects.com/usa/products_direct.htm

Either one new will rip a new hole where the sun dont shine !

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Marko R1 Grand Master

Marko R1

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i wondered about the Okada Project Plasma Directs as i saw them on rhdjapan website when i ordered my splitfires BUT the price was 3 times that of the splitfires @ $1450 for the set...anyway, my tuner recommended splitfires so i stuck with them :unsure:

liek u say as well - any new coil pack will be better than 20year old factory coils!

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Piggaz Grand Master

Piggaz

Posted
Posted

Ah so you ended up going the splitfires. Be interesting to see the results. Mine def feels more lively with the new OEM coils and coil pack harness in her.

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Piggaz Grand Master

Piggaz

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Posted

Ah so you ended up going the splitfires. Be interesting to see the results. Mine def feels more lively with the new OEM coils and coil pack harness in her.

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elrodeo666 Mentor

elrodeo666

Posted
Posted
i wondered about the Okada Project Plasma Directs as i saw them on rhdjapan website when i ordered my splitfires BUT the price was 3 times that of the splitfires @ $1450 for the set...anyway, my tuner recommended splitfires so i stuck with them :unsure:

liek u say as well - any new coil pack will be better than 20year old factory coils!

The Splitfires are a great coil pack but talking to alot of tuners in Japan they find they have limits with big power applications.

My old OEM's were sweet as where the Splitfires were misfiring.

Ended up getting a new set at a good discount through friend at Nissan, still hurt the pocket and thats why I bought the Splitfires in the first place.

The Okada's ..well love to get them but the price tag is a bit too much on the ouch side.

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STATUS Grand Master

STATUS

Posted
Posted
The Splitfires are a great coil pack but talking to alot of tuners in Japan they find they have limits with big power applications.

My old OEM's were sweet as where the Splitfires were misfiring.

Ended up getting a new set at a good discount through friend at Nissan, still hurt the pocket and thats why I bought the Splitfires in the first place.

The Okada's ..well love to get them but the price tag is a bit too much on the ouch side.

Agreed, any of the big HP RB's we have had through had the same issues, chuck in a set of new OEM coil packs and a HKS twin power and the sky was the limit.

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dirty180driftor Rookie

dirty180driftor

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Rewire your coilpacks straight to battery with a relay and ignition onto the old wiring with an inline fuse should stop a lot of the "coilpack melting" episodes people seem to be having :P will also make the ride a whole lot smoother.

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da spike Collaborator

da spike

Posted
Posted (edited)

Bought JJR coilpacks for a R33 S2 and they were never right but now are misfirring badly at high boost and guess what? It has been about 15 months after purchase so now im fooked... Should I try to gap the plugs to 0.7mm? I currently have BCPR7ES gapped to 0.8mm and its missfiring under high boost. These coilpacks are pieces of shit seriously!

Edited by da spike
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Duncan Grand Master

Duncan

Posted
Posted

why don't you call the guys you bought the pieces of shit of and talk to them before slagging them off. Have you tried any other coils? Do you know coils are even you problem? They obviously are not the fix to every single missfire problem

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wlspn Proficient

wlspn

Posted
Posted
Rewire your coilpacks straight to battery with a relay and ignition onto the old wiring with an inline fuse should stop a lot of the "coilpack melting" episodes people seem to be having :P will also make the ride a whole lot smoother.

What do people (who know) think of these 'direct from battery' wiring setups?

Any advantage or disadvantage to these?

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Gunnar_11 Enthusiast

Gunnar_11

Posted
Posted
had my yellow jackets for over 5000kms, 2 track days and a motorkhana. pulled them out the other day for inspection and no signs of wear at all, still going very strong :thumbsup:

That's great

Anyone else have sustained track-work experiences for Yellow Jackets???

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GTRsean Grand Master

GTRsean

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Posted

A few years back I started to get a miss at 4500-5000rpm on acceleration (peak torque).

Pulled out the stock coils and cleaned em, then wrapped em with self amalgamating tape, checked plugs, still missed so old coil had had it.

Bought splitfires from just jap, put em in, no more missfire, no problem at all since and that was like over 4 years ago!

Run up to around 470hp at the treads and no probs.

Yellow jackets look like a good replacement from what you guys have experienced though.

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