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Hey everyone, i know this is going a few pages back... but regarding coil packs and issues with them; Mine on my R34GTT seem to have started playing up (shaking, mainly noticeable on idle) and car has far less power than normal.

This happened to my previous R34GT and i replaced the whole lot with Yellowjackets, this fixed the problem.

I've ordered some replacements but my main concern is if i'm doing any damage to the car by driving it around before i receive/install the replacements.

Because i know there's a problem i am driving it like a nancy boy as i'm worried i'll screw something up.

I'm assuming that your first port of call was changing spark plugs?

If the coilpacks are on their way out, and they are bad enough that its not idling right, it will def be missing on boost and you'll hear a bunch of misfires through the exhaust.

I'd change plugs to a $25 set of Copper plugs and see if the problem persists, before spending $$$ on new coilpacks.

What mods? and what plugs are in it atm?

I'm assuming that your first port of call was changing spark plugs?

If the coilpacks are on their way out, and they are bad enough that its not idling right, it will def be missing on boost and you'll hear a bunch of misfires through the exhaust.

I'd change plugs to a $25 set of Copper plugs and see if the problem persists, before spending $$$ on new coilpacks.

What mods? and what plugs are in it atm?

Thanks for the reply mate,

Have changed the spark plugs with no avail (problem persisted), definitely missing on boost but once i noticed something wasn't right i didn't really want to push the car too hard.

Only modification is adjustable coilovers, apart from that it's completely stock. Plugs are factory at the moment.

I'm fairly certain it's the coil packs as it feels exactly the same as my last car's issues

Hard luck Tony. I know how much time you put into that over the last few months! I'm waiting for someone to steal my car (secretly wishing)...seems only to happen to the people who don't want theirs stolen :/

On the brighter side, you can upgrade your daily earlier than expected...

Sorry to hear man :(

all it needs is tyre level with guards front and rear and will be perfect :)

how much low will I get from eibach springs? I would like to drop it only like an inch on the stock coilovers... want this one to be legal as possible

seems only to happen to the people who don't want theirs stolen :/

this... oh god this!

Pulled carb apart and got busy with the carby cleaner

Fixed the out of tune jettings

Replaced the ridiculously restrictive air filter with just mesh

Idle's now more stable

Throttle response improved greatly

Sound is now even louder/better

Might aswell service it too while it's stripped

Don't think neighbors seem happy though apparently 15k+rpm at 11.30pm is breaking some law

the smackdown... embrace it

Hey Scott's gonna be making a 3.5" dump an front pipe(2 piece) for around the same price of all the other combos.. Would you be interested? Coz then that's 3 of us

Hey Scott's gonna be making a 3.5" dump an front pipe(2 piece) for around the same price of all the other combos.. Would you be interested? Coz then that's 3 of us

dunno man... I was planningn to buy second hand so it's cheap and doensn't have ANY shine to it

Don't go too low, evo handles great from stock, so any lowering is purely cosmetic / anti-4wd jokes.

An inch is about perfect isn't it? What wheels are on it?

yeah, that's what i'm after... about 1"

rims are KOYA RG Tech (Advan RG ripoff's) 18x9.5 but unsure of affset untill i take one off... looks to be approx +20

dunno man... I was planningn to buy second hand so it's cheap and doensn't have ANY shine to it

yeah, that's what i'm after... about 1"

rims are KOYA RG Tech (Advan RG ripoff's) 18x9.5 but unsure of affset untill i take one off... looks to be approx +20

Up to you..

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