puttering blown turbo? melted two pistons

[toms starion]

g.day fellow starion people.. as i dont know much about turbo's thought use could help me out.
when i hit some speed it just died started blowing smoke when i stopped there was oil everywhere under the bonnet.. thought it might be the head gasket till i got it home took the cooler piping off and found alot of oil in the turbo.

could it be the turbo or head gasket??

[vr4gone]

Sounds like the turbo buddy. you may have blown either of these? 11,8,5,3





or it could just be a blocked PVC valve in your tappet cover.

[toms starion]

cheers thanks heaps for that :beer . ill get stuck into it tommorrow

[toms starion]

well it was the turbo but thats all fixed now.. and it was still puttering so i stripped the motor and found that i have melted two pistons.

man i must have bad luck on my side. now my jb will be off the road for atleast 3months.

when i hopefully get it going im gonna sell it to buy a drifter, i was thinking of using this but its too good for the track

[starspeed]

yep , been there done that !!!! :( back in 1999 i raced a falcon GT 1998 model , beat him but over boosted and oil all in the engine bay and with a
motor pull down 2 blown pistons and all 4 pistons had shattered rings and ring lands :( :(

[toms starion]

yeah its not good as i like driving it. but its saving alot of kays since its original 144000.

i have a ja engine in the shed would those pistons be the same and fit my jb?

[redzone]

1) put brand new VR4 galant spec pistons in it as they're way stronger, even $300 cheapies

2) find out why your car leaned out by putting it on a dyno when you get it run in again, as a lean out is what killed your pistons

[docile]

Which pistons exactly did you melt? 1&4, 2&3 or 1&2 etc? Could it just be intake manifold related?

Or are you thinking it was fuel reletad, ie regulator, filter, injectors, maf etc?