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Is there a risk of attempting a compression test? Like can you bugger it more by turning it over, or would the damage already be done you reckon?

I'm wondering the same thing. What would you say the minimum supporting mods would be for say a GT2860R to make it worth the effort? Do you need computers / cam gears etc etc.

I wouldn't wait if I was you, you're playing with death. That was my attitude... but the thought that potentially my engine is now rooted due to ceramic shards is a bad feeling. But I'm also a tad excited about the forced upgrade - if that turns out to be required. To those mechanics out there who have seen many blown up gtrs - what percentage of them would you say have done an engine as a result of the turbo? I know it happens - but is it rare?

So we've pretty much identified blown turbo(s). Next step I suppose is to figure out the extent of the damage to the engine if any. So how do we tell if ceramic dust has been sucked in? Would you even see any dust pieces, or would the damage already have been done, and flushed out the exhaust pipe? A compression test would I suppose but also carries some risk in rooting it more. Is there another way? When it happened the car probably ran for maybe 20-30 seconds at low rpm while I tried to get it off the road.

Ok, here’s what happened this afternoon with my 32 GTR… Taking off from an intersection driving casually up through the gears, got to fourth and car didn’t want to increase boost over about minus 2 mmHg (stock gtr gauge). Put it down to third, put the foot down a bit – same thing, no boost. Looked in the mirror – shit a cloud of white looking smoke. Immediately pulled to the left, and while turning the music down I’m pretty sure I heard a clanging noise – you know, tick-tick-tick. I then turned the thing off as soon as I could, and obviously haven’t started it since. It’s got oil and water in it and there are no visible problems ie. no obvious leaks, hoses are intact. By pure coincidence I think - but worth mentioning – I changed the radiator, thermostat, hoses, coolant 2 days ago, after my radiator sprung a big leak a week ago. I just think I’m having a bad week. The car is basically stock, only with the boost restrictor removed, and an exhaust (with stock dumps). So what do you guys think?