just got my vl turbo back from the mechanics got a microtech bigger injectors and fuel pump and last night was driving and started blowing white smoke when it spools and then take my foot off the gas and splattering ive searched and searched and people have told others 15 different things just wanted to know if any1 can pin point the problem its going back to the mechanics on saturday ive been told valve stem seals, turbo seals, the turbos stuffed, the motor is stuffed just wanna know if any1 else has had this problem thanks guys

how much of a hammering were u giving it when it happend??? what turbo you running?? any upgraded internals?? how long you had it and have u rebuilt it??? in other words... WE NEED MORE INFO lol

White smoke is often an indication of severly leaning out, burns off the tin plating on the piston crowns...! Need to check you have sufficient fuel flow, attend to both pumps and as I have said on other threads fuel filters need to be changed often like each 18months minimum and with the turbo type not some economy filter which has restrictors - many of those were sold in the early days and are fine for n/a but choke up when running on a turbo... edit: mmm Since you have a microtech - ie Tunable, has it ever been properly tuned on a dyno *with* an AFR meter ???!??!?!!?!?!?!?!?!?!?!??!?!?!?!?!?!

Pumping white smoke, Id doubt it would be running lean... it would probably have blown up after 5 mins. Id be more looking at the turbo - sounds like its done a seal. But, theres heaps of variables and guesssing on the internet isnt a sure way of finding a problem.

Best to take it to a mechanic dude, like you said to many possible problems, and were on the internet, we can't see for ourselves... Good luck though.

if your dipstick has been pushed out its game over if it hasnt might be turbo seals

um guys, white smoke is an indication of the burning of tin or aluminium, even slight detonation can result in the boundary layer being breached and gas scouring of the head or piston crown and it doesnt have to be enough to melt a piston - first indications of white smoke are long before major engine damage. The other lesser probable item is coolant but thats not as likely as leaning. There is also a remote chance the CAT (if there is one) is starting to get scoured from high EGT but, high EGT also tends to scrub off the aluminium oxide from the exhaust ports - and guess what that is white. A turbo seal failure tends to blow blue/white smoke and when coming off boost will leave puffs of blue smoke from the burning of oil and a strong oil smell is left over when returning to idle, so after a burst get behind car and use them nostrils ? Given the uncertainty then sure take it back to mechanic but let us know if it has been properly tuned on a dyno with an AFR meter because if it hasnt then its also likely to be out of tune and leaner is more likely than richer for more reasons...

white smoke can be anything niche wtf are you talking about it can be trans oil broken piston anything

Quote: Originally Posted by STONE RACING white smoke can be anything niche wtf are you talking about it can be trans oil broken piston anything LMFAO...

Quote: Originally Posted by STONE RACING white smoke can be anything niche wtf are you talking about it can be trans oil broken piston anything The jury is still out mate, follow the best diagnostic method... Think about the conditions in sequence, only happens on higher boost (he did say when it spools) not at all likely to get trans oil at that time and a broken ring means oil in chamber that means blue smoke for the most part though depending on how much damage it can crunch up the valve seats and the like. Notice what the poster didnt say, he didnt say it blew white smoke when not spooling another pretty strong clue it doesnt happen on vacuum in manifold therefor not trans oil - well unless its trans froth - possible but boost in manifold is going to resist it pretty well ! So, forget the low probability conjecture, focus on the next diagnostic question which I have already asked:- Has it been dyno tested with an AFR meter ? If so then look for next item or <guh> its *very* likely leaning out, Cheers ps: I might add:- "A conclusion is where a person got tired of thinking" Some original photos have not been recovered yet.

might be a small crack in the head, white smoke can come from coolant/water in the combustion chamber if i was you i'd do the easiest and free test, check you dip stick and under the oil filler cap. If oil looks normal your fine, if oil looks iced coffee colour then bad news but before you take it any where and spend dollars do the quick, free test in the garage

if its splattering and blowing smoke on boost sounds like a misfiring issue... same thing happened to my mates vlt, his cooler piping was to close to the dizzy

niche i had the car dyno'd at sabbadin properly done by a turbo specialist taking it to him tomorrow ill let you all know how i go thanks heaps for the help it was misfiring abit and didnt help that i had thin oil in it coz of rebuild and was going to change it on the weekend but its all up the sh1t now thanks guys for the info but hope its not a cracked head fingers crossed

Niche - I know you are trying to help and could possibly be correct, but steering towards a definate cause of the problem is absolutely impossible via the internet and it could be something totally off what everyone is guessing. Hopefully your the engine is ok!

looks like ive done the turbo right before the cruise for charity farkin great any1 got a turbo for sale

so its not the tin burning of the piston crowns ROFL..............

Quote: Originally Posted by STONE RACING so its not the tin burning of the piston crowns ROFL.............. HAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHA

haha nah sorry to disappoint

the biggest load of white smoke i ever saw was cause from a broken ringland,it pressurised the crankcase and was forcing oil through the rear seal of the turbo and directly into the exhaust pipe. thats thick white smoke like a cloud when you hit boost

same when ppl run high oil pressure through BIG engines and the turbo seal gives in awsome smoke show lol