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I was curious...they dont look too bad but it does look like they may have came in contact with something. no shaft play from what i could see.. maybe i'll find a surprise in my intercooler?
IIRC when detonation occurs the temperature can be hot enough to turn aluminum to liquid, which then becomes a suitable fuel to mix with any excess O2 increasing the heat more. So perhaps the missing aluminum was partially vaporized.
Last edited by sonofthehill; 11-12-2016 at 03:52 PM.
Reason: Typo
Aluminum bits have been turned to dust by being pounded between piston and CH for a while. They left through the exhaust valve. After leaving the exhaust valve there is nothing softer than aluminum on its' path until it hits the cat. Any damage to any exhaust valve seats?
IIRC when detonation occurs the temperature can be hot enough to turn aluminum to liquid, which then becomes a suitable fuel to mix with any excess O2 increasing the heat more. So perhaps the missing aluminum was partially vaporized.
I'm hoping this is the case.
Originally Posted by stefanst
Aluminum bits have been turned to dust by being pounded between piston and CH for a while. They left through the exhaust valve. After leaving the exhaust valve there is nothing softer than aluminum on its' path until it hits the cat. Any damage to any exhaust valve seats?
I actually just heard from my shop and they gave me an update on the block... the head is going to be looked over tomorrow by the shop.. So i'll have another update with that info.
In order to put the block back together I'm going to need
full set of rings
rod bearings
main bearings
2 pistons 83.5
Toughest part right now is finding the pistons at a reasonable price.
Hopefully i can have the car up and running by next month.
Parts listed above have been ordered.. I'm thinking I'll have parts this week and by next week the block will be back together (hopefully)
Also swung by and picked up my injectors today.. Got them cleaned for 65$.
cleaned flow force injectors
detonation was def the cause of this engine failure - I remember using launch control moments before i broke down.. not 100% sure if that's what caused it. I've used it several times before at the track and street on the old motor and didnt have issues.
Seems odd to me since I have over 16k boosted miles on mine and they still perform flawlessly. Haven't had them tested though. They have been out and sitting around twice.
Also looks like the before were tested cold and the after tested warm and what do the numbers corelate to?
Those "before" results on the injectors look pretty sad.
Originally Posted by hi_im_sean
How many miles on the injectors? Did you buy them new or were they second hand?
Originally Posted by sonofthehill
Seems odd to me since I have over 16k boosted miles on mine and they still perform flawlessly. Haven't had them tested though. They have been out and sitting around twice.
Also looks like the before were tested cold and the after tested warm and what do the numbers corelate to?
Injectors were bought new, Probably less then 4-5k They were in my leaky engine and my now blown engine that is being rebuilt. I'm not too sure what the number corelate to - maybe someone with more knowledge on injector testing can educate.
I was really looking towards the TSE kit.. But looks like the K series is putting together something serious that interests me more ... kmiataturbo
I'll finish this build first and maybe mix and match the smaller and bigger turbo..then e85 and see where i go from there.. future plans are most likely the kmiataturbo that is still in development. I feel like if i had that choice from the beginning i would've done so..
11-12-2016, 03:50 PM
0
and what do the numbers corelate to?
