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Hey guys,

My skyline (R34 25GT) had the engine check light come on quite some time ago, after awhile (didn't drive it much during this period) I got it checked out by andrew at hyperdrive malaga and found it was an ignition fault. seeing as the car is about 95,000kms old and was due for the 100,000km service i changed the sparkies to coppers as recommended by andrew as well as the coilpacks.

just got the car back not long ago, and the engine light is gone, but now at idle, the car makes a slightly odd noise ...

its almost like a mini explosion/popping sound (sorry thats the best i can describe it .. )

the car is fine when running though and drives well and everything performs as normal

i have no idea what this is, but it feels very weird and its happening more often. anybody have a clue what it is?

also, on a slightly different note, is it normal for my car to be LOUDER than usual initially when i make any changes to the exhaust system?

i changed the muffler on the end to a mild steel oval from a stainless cannon and it seems to be in fact louder .. although apparently the cannon had a crack in it and was louder than it should be.

but I found that when i first changed to the 2.5" catback system, the car was very loud initially and after a few weeks quietened down a fair bit... i'm hoping the same happens here cos its ridiculously loud now and i was hoping to quiet it down a bit :|

i'll leave it for a few more weeks and if nothing changes i may just stick the stock exhaust back on! (i kept that sitting around the side of my house lol)

cheers everyone :)

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The packing in the mufflers need to settle and fill out. Then they will be a little quieter.

With the popping noise, if its only on idle then that is very normal or RB motors. Most do it but u mainly notice it with a louder exhaust system

thats strange, i was confident i wouldn't get ripped off by hyperdrive, the guys there have been highly recommended by most people on the WA forums and are a SAUWA sponsor ...

the price was 450 total for the coilpacks + copper sparkies + labour ...

ive also been told by 3 different mechanics in perth that the R34 coilpacks/sparkies are notoriously difficult to change due to it being in a difficult spot to reach?

they are lying basically..

it's really same as any other RB25/20, you take off the intake piping to the throttle body, disconnect a few hoses and remove the valley cover - only real difference is there is a few more hoses..

i removed and replaced me coilpacks in my r34 in just under an hour a few days ago, for mechanics that are meant to do this shit every day it should be a peice of piss.

they are lying basically..

it's really same as any other RB25/20, you take off the intake piping to the throttle body, disconnect a few hoses and remove the valley cover - only real difference is there is a few more hoses..

i removed and replaced me coilpacks in my r34 in just under an hour a few days ago, for mechanics that are meant to do this shit every day it should be a peice of piss.

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