BoostedBSeries

thanks petey, that kinda all i needed to know. josh told me it was a good turbo, but now that ive had the previous owner tell me, im pretty convinced. though it does have some considerable shaft play

accordepicenter

how much shaft play? Do the fins of the compressor wheel scrape the housing? If it does the turbo is probably blown. Id start with messing with the turbo, if its thats messed up then that could account for a lack of performance. I remember seeing a guy who had a turbo M3 making SICK power but it wasnt feeling right, he was boosting ok but there just wasnt that kick that it had before, eventually it got worse and he was checking into it and even though he was still boosting to his target boost level the turbo had more shaft play than peter north and ground to hell. How much smoke was coming from your valvecover?

BoostedBSeries

its not touching the housing, but there is some definate play there. a LITTLE in/out too. so maybe i got lucky and my turbo is fucked?


there wasnt very much smoke coming from it. just a little bit. not like POURING out of the valve cover, just a little. think about the smoke that comes from a match. maybe a little more

accordepicenter

thats not that much, i bet youre bottom end is fine. ANY in-Out shaft play is NO GOOD at all, sounds like it needs a rebuild, a little side to side is ok but any detectable in-out shaft play is not acceptable.

RedCavz

hmm maybe i was wrong. But it came off my car like the day i bought it

MAJORAHOLE

what about valve guides? that will cause smoke on decel, i don't know about idle tho.

BoostedBSeries

the valve guides/seals woudnt just go randomly. they would start to smoke a little bit 1st

heres a little development.

i just went outside and drove the car. got on it a little, cruised a little, engine braked ALOT.

the car smokes all the time when you are ON it. but only on decel/idle/pulling away from a light when you ARENT on it.

heres the big thing. we let it sit and idle for 8-10 mins without doing anything. didnt smoke. then when i revved it up (not driving it, just free-revving) it shot out a HUGE cloud of smoke. this makes me think turbo right? the oil it getting past the seals in the turbo and pooling at idle with no load. then, when you rev it up, it blasts all that pooled oil out in one big blast. am i correct in this? should i order a rebuild kit?? or you guys still think its the motor?

MAJORAHOLE

(this could be a dumb idea,but) couldn't you run it without charge pipes connected and see?

djfob

just check your DP and charge piping for oil to confirm your theory

BoostedBSeries

i checked the charge pipes, they have a LITTLE tiny bit of oil film in them, but i have the compressor pointing upwards, so that will make the oil stay in the compressor. when i took of the compressor housing, there was oil in the actual housing. now, this would say to most people THE TURBO IS YOUR PROBLEM. but.... i run a slashcut to the intake side of the turbo, so i get some oily air sucked in there. i dont ------- know, i might just go to the junkyard tomorrow and pick up a 42/48 and see if it stops smoking. and if it does, ill sell the 42/48 and buy a rebuild kit for my 48/60