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130rwkw From A R34 Gtt

Mikyel

By Mikyel,
in Engines & Forced Induction

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Mikyel Experienced

Mikyel

Posted
Posted

Hi..

I dynoed my car like last week at ISmotor in Sydney and get 130rwkw only..

I only have SAFC ,3 inch catback, filter, bov on the car now..

When they dyno the car after 130 km the car start rumbling..

It runs 8 Psi all the way..

The mechanic said my coil pack and spark plug is not good,

so i ordered Splitfire coil pack.. they said 10 of 15 R34 have problem with the coil pack

But then i asked few people that when sumthin not right with the coil pack the engine light will show on the dash..

It confuse me now :D:thanks:

So Anyone have any idea whats wrong with my car..

Thanks in advance

Also how much power am i expecting from Tiptronic R34 GTT.. :happy:

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moonus Experienced

moonus

Posted
Posted (edited)

man, that is seriosuly not good. 130 rwks? wtf? u shud have at least another 50 kws on top of that with safc, zorst and filter. post up ur graph man. btw, if there's a problem with coil packs, from my experience, the light wont show up.

Edited by moonus
Andi Experienced

Andi

Posted
Posted

I've recently run into this problem, it was indeed the coilpack not working but it was only half f*cked. The engine light couldn't come on but the coilpack would work/not work very quickly - this resulted in my car stuttering and missing all over the place. Might have to get a set of splitfires myself soon.

Mikyel Experienced

Mikyel

Posted
  • Author
Posted

He said he got 15 Gtt coming to him and 10 of them got this problem..

And he own a GTR R34 and have the same problem..

Dont have the graphs cause i dynoed it to tune the SAFC but its unsuccesfull cause of the car giving problem..

Mikyel Experienced

Mikyel

Posted
  • Author
Posted

100% sure or not.. The coils cost almost $1000, if its not the coil problem ill be wasting my money..i just paid the deposit and its comin dec 5 if its not the problem probably i can cancel..

So how many Kw normally if its a stock R34

BAMR33 Mentor

BAMR33

Posted
Posted
He said he got 15 Gtt coming to him and 10 of them got this problem..

And he own a GTR R34 and have the same problem..

Dont have the graphs cause i dynoed it to tune the SAFC but its unsuccesfull cause of the car giving problem..

Oooo, now I understand what your saying. I'm not one to speak but you need to structure your sentences a little better.

Lithius Community Regular

Lithius

Posted
Posted

Yeah if you find you need splitfires get them from Nengun or Perfectrun. Should only cost you about $550 delivered and maybe 1-2 weeks delivery time.

If it was the coilpacks wouldn't the car be misfiring? Or can they cause other problems as well...?

GreddyGo Rising Star

GreddyGo

Posted
Posted

Just a quick question.

I have seen all this posts with R34 and failed coilpacks shiting themselves.

R34's are only roughly 8 years and younger.

Are they a bosch unit? (Sorry i haven't pulled mine out to check)

I have worked on various Japanese car's as a mechanic and have never seen major problems with coilpacks.

Has anybody checked to see if there is somesort of official "service bulletin", similar to what Ford and Holden do to make diagnosis faster?

Cheers

Josh

Howie Grand Master

Howie

Posted
Posted
Yup i have backfire in my car, and when the car gets hot it start to like rumble..

i just wish the splitfire will fix it..

I had that in my old CA18DE, swapped every single coil and in the end turned out to be the crank angle sensor.

Howie Grand Master

Howie

Posted
Posted

Ended up getting one from one of the guys in my club, nissanexa.com. But i think it was about $150 for a good second hand crank angle sensor. Also it retards timing too if it's rooted.

I'm not sure how much it is for an R34, but if you find out let us all know. Still always good to get a proper diagnosis, swap out the coils first because that's the easiest to do. If you're planning on upping the boost by a significant amount, i'd still go the splitfires, because in the end you'll probably end up doing it so even if it doesn't fix the problem you wouldn't have wasted your hard earn.

My two bobs.

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