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Car Misfiring When Hitting Boost

soultz

By soultz,
in Engines & Forced Induction

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Cowboy1600 Grand Master

Cowboy1600

Posted
Posted

[quote name=ClutchBurndout-:(' timestamp='1326786705' post='6192170]

coilpacks

my worry is, why wouldnt he fix it himself? some lecky tape around the coilpacks is a quick fix... why would you sell a car with issues?

Cause he didn't know what the issue was?

Not everyone knows what causes a misfire in Skylines.

rondofj Veteran

rondofj

Posted
Posted

Just a quick reference, splitfire is the only correct fitting replacement, all the others only use 1 bolt and sit slightly angled as the bolt holes are wrong.

Bulshit. I installed YJ on my RB25neo a few weeks ago- perfect fit, sits straight and uses 2 bolts per coil.

soultz Community Regular

soultz

Posted
  • Author
Posted (edited)

hey guys!

bought the car, im in LOVE. i was about to order splitfires tomorrow, but i stumbled across a brand called superspark? the boys at autobarn sell them and they recommended them as a direct replacment for the coilpacks?? 1 guys uses them in hes rb25det and he loves them, they are 495 a set...

has anyone heard of these??

Edited by soultz
lilcrash Veteran

lilcrash

Posted
Posted

Bulshit. I installed YJ on my RB25neo a few weeks ago- perfect fit, sits straight and uses 2 bolts per coil.

maybe they finally pulled their finger out and got some made properly. it was 4 years ago that i went through all this garbage with my car.

GTSBoy Grand Master

GTSBoy

Posted
Posted
<br />just bought some yellow jackets! cant wait for them to arrive!<br /><br /><br /><br />does anyone know how to change them over?? i cant seem to find where to start lol??<br />
<br /><br /><br />

Do you know how to expose the place between the cam covers where the coils live? Cross over pipe off, cover off, undo coil retaining bolts and disconnect the wiring plugs (bloody carefuly because they go brittle in the heat). It's easy. You need 8 an 10mm sockets and spanners, pliers for some of the hose clamps, etc etc. Only takes an hour or so.

Dasmbo Collaborator

Dasmbo

Posted
Posted

Been using them for about a year now perfect fit with no problems also double check your ignition timing too advanced can cause a similar problem when air is cool and dense

just bought some yellow jackets! cant wait for them to arrive!

does anyone know how to change them over?? i cant seem to find where to start lol??

dont_ask Collaborator

dont_ask

Posted
Posted

I have also been using yellow jacket coils for a year no problems at all. Just make sure you more then an hours time and also change some of the hoses on the cross pipe they are most Likely getting old as well.

Dre678 Explorer

Dre678

Posted
Posted

There's a guide here:

http://www.skylinesaustralia.com/forums/topic/42819-rb25det-changing-the-spark-plugs/

If you're changing the coilpacks, consider changing or re-gaping the spark plugs (depending on your future mods etc).

Took me more than an hour haha.. the intake pipe going into the throttle body will get in the way of one of the coils as it crosses directly over it.

You can either remove a few pipe clamps/bolts and move it out of the way or completely remove it to access the coilpack.

Cowboy1600 Grand Master

Cowboy1600

Posted
Posted (edited)

It's not too hard to get at the coils.

Mine arrived today but I had them delivered to work...and I work from home on Wednesdays....

I got one of the guys I work with to bring them home as he only lives 10 minutes away so I get em at about 630. They should be in by 8.

Also a tip, leave the valley cover off. That way you don't have to stuff around with it every time you want to change your plugs.

Edited by Cowboy1600
Cowboy1600 Grand Master

Cowboy1600

Posted
Posted

Yeeeeehaaaaa!

My problem is fixed and for the first time since I have owned the car (nearly 10 months) it's running flawlessly. I pump it up to 11psi and floor it and it just pulls.

Here's hoping you get the same results.

Cowboy1600 Grand Master

Cowboy1600

Posted
Posted

its akways a good ideah to mate to do your plugs to ngk BCPR6ES

also while its all out do a compression test

I put a set of Iridiums I had kicking about in at the same time.

Compression test can go root a boot. I'll do that if I ever have any concerns that it might be down. The car doesn't get driven hard enough or often enough for me to want to do a preventative comp test.

Cowboy1600 Grand Master

Cowboy1600

Posted
Posted

Just a quick reference, splitfire is the only correct fitting replacement, all the others only use 1 bolt and sit slightly angled as the bolt holes are wrong.

Just a quick reference, you're very, very wrong.

YJs went in perfectly. No angle, bolts lined up perfectly. Fitting was a breeze.

soultz Community Regular

soultz

Posted
  • Author
Posted

hey guys,

installed 5/6 coil packs tonight, i was working on installing them and the 6th one had a different bracket for the screws to go into, 5 were the same direct fit, where as the 6th one was completely different therefore i could not put it in :( so ive contacted yellow jackets and am awaiting a reply...

on the good side....MY MISSFIRING PROBLEM IS FIXED!!! i changed the 5/6 and used a old one to test the packs and no more misssfiring! so happy!

thank you to everyone who helped aswell :)

i just hope i get to fit the last one soon :(

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