SLO310 New Member 2 Member For: 7y 3m 9d Posted 14/08/17 12:31 PM Share Posted 14/08/17 12:31 PM (edited) Hi all im pretty new here, I own a 09 F6 and ive done some work to its which includes: 1000cc injectors Bigger fuel pump Hollowed out cat Cooler piping BOV Built ZF to take 550rwkw Tune making about 400 on 98 Just recently it has started to blow blue smoke on idle and runs pretty rough until it warms up. Does anyone have some idea of if its turbo or motor? Thanks guys Edited 14/08/17 12:32 PM by SLO310 Link to comment Share on other sites More sharing options...
JVK Silver Donating Members 751 Member For: 18y 11m 6d Gender: Male Location: North West Hot Hell,VIC Posted 14/08/17 08:52 PM Share Posted 14/08/17 08:52 PM Hi and welcome to the forum. Just a quick question, How long ago have the mods and tune been fitted and done on your car? Link to comment Share on other sites More sharing options...
4321 Bronze Donating Members 257 Member For: 10y 7m 28d Posted 15/08/17 06:53 AM Share Posted 15/08/17 06:53 AM Perhaps if it were not running rough I'd hold some hope, but a combination of the two.... This is gunna cost some $$$! Step one is a compression test & go from there Link to comment Share on other sites More sharing options...
SLO310 New Member 2 Member For: 7y 3m 9d Posted 15/08/17 07:34 AM Author Share Posted 15/08/17 07:34 AM Thanks, almost a year ago they were put on. @4321 it only runs rough while its warming up then once its warm it seem fine Link to comment Share on other sites More sharing options...
k31th less WHY; more WOT Site Developer 28,991 Member For: 16y 7m 14d Gender: Male Location: Melbourne Posted 15/08/17 07:46 AM Share Posted 15/08/17 07:46 AM valve stem seals when they're cold and are no longer sealing perfectly can leak quite a lot of smoke. Then once it warms up the metal expands and can sometimes re-seal the valve stems (at least a lot better than when cold) and you'll notice these side-effects. Valve stem seals would be my guess. Link to comment Share on other sites More sharing options...
Puffwagon Puff Gold Donating Members 15,901 Member For: 9y 9m 25d Gender: Male Location: South Australia Posted 15/08/17 08:13 AM Share Posted 15/08/17 08:13 AM Sneaky edit there k31th. I thought rings was your guess Link to comment Share on other sites More sharing options...
k31th less WHY; more WOT Site Developer 28,991 Member For: 16y 7m 14d Gender: Male Location: Melbourne Posted 15/08/17 08:21 AM Share Posted 15/08/17 08:21 AM my first bad guess, yes, but valve stem seals makes more sense when I thought about where the smoke is going haha Link to comment Share on other sites More sharing options...
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