JETURBO ...JD TUNING ADELAIDE... Gold Donating Members 23,708 Member For: 16y 6m 25d Gender: Male Location: Adelaide Posted 09/04/13 12:49 AM Share Posted 09/04/13 12:49 AM Meh 400 for good springs and a reputable mechanic shouldn't charge anymore than $5-600 Link to comment Share on other sites More sharing options...
jas98 Member 1,043 Member For: 12y 5m 3d Gender: Male Location: Maryborough Qld Posted 10/04/13 04:22 AM Share Posted 10/04/13 04:22 AM my ba xr6t (stock) had a similar prob, when taking off from a stand still and at about 3000rpm after it changed gears it started shuddering and missing badly (like it was running on 4) pulled over and it was bad, then just restarted car and it was fine and didnt do it again. I never found out the problem but its been ages and a hell of allot of hard accelerations since then and its fine.did this to me about 6 times over a 6 month period, I was thinking coils but they "seem fine" as it has not done it since Link to comment Share on other sites More sharing options...
sulbsBAxr6t Member 6 Member For: 11y 8m 18d Posted 10/04/13 01:20 PM Author Share Posted 10/04/13 01:20 PM Sounds like my problem are you getting stuttering ?So my car is booked in friday but ive been driving it, must have damaged the valves pretty badGetting some quiet crackling noise, anyone know if would it go away after changing the valve's and springs ?? Link to comment Share on other sites More sharing options...
Periklis Member 67 Member For: 14y 4m 17d Posted 20/04/13 12:34 PM Share Posted 20/04/13 12:34 PM I have a similar problem, as soon as my boost starts winding up the car backfires and breaks down and then goes into a shake almost like it is in a 'safe mode' then afew revs gets it back to normal, happens to me as soon as I come into boost.. Link to comment Share on other sites More sharing options...
Bonjaz Donating Members 1,841 Member For: 16y 19d Gender: Male Location: CQ Posted 20/04/13 12:58 PM Share Posted 20/04/13 12:58 PM Mine did that making 400kw on stock springs when I hit limiter, I checked the error code and it was a cylinder misfire. Changed valve springs and its never happened since... Link to comment Share on other sites More sharing options...
Periklis Member 67 Member For: 14y 4m 17d Posted 21/04/13 03:04 AM Share Posted 21/04/13 03:04 AM it just does not make sense, since the car was doing this in the old motor I had in it, and now with the replaced one its doing it again.. Link to comment Share on other sites More sharing options...
Iceman Gene Donating Members 21 Member For: 13y 1d Gender: Male Location: Brisbane Posted 21/04/13 06:51 PM Share Posted 21/04/13 06:51 PM I have similar thing, when I shift it to manual so it holds gears, when I give it a good hard squirt so it gets high up in the revs and maybe stay foot in it for a few seconds, when I release the throttle and the revs come back down it runs on 5 maybe 4 cylinders for around 5 seconds... I have had BC valve springs fitted so it can't be valve pump.... Or can it still? Link to comment Share on other sites More sharing options...
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