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Stock piston detonation.
1 Attachment(s)
I blew up my BP with speed6 k04 this weekend. I knew it was going to happen, but was expecting rods. Well i found extreme detonation/ melting on piston number three. No other pistons show any signs of detonation. My beliefe is that this was caused by lack of fuel in that one cylinder, most likely a clogged injector. Am i wrong thinking this?
https://www.miataturbo.net/attachmen...ine=1398794495 |
Niiiiiiiiiiiiiiice, what's the block look like?
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Originally Posted by mckabe
(Post 1126588)
I blew up my BP with speed6 k04 this weekend. I knew it was going to happen, but was expecting rods. Well i found extreme detonation/ melting on piston number three. No other pistons show any signs of detonation. My beliefe is that this was caused by lack of fuel in that one cylinder, most likely a clogged injector. Am i wrong thinking this?
https://www.miataturbo.net/attachmen...ine=1398794495 Sound hypothesis. |
2 Attachment(s)
cylinder walls are pretty messed up, ill add this is on intake side if that helps.
https://www.miataturbo.net/attachmen...ine=1398795449 https://www.miataturbo.net/attachmen...ine=1398795449 |
what is controlling your fuel?
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Close up pictures of number four piston, please.
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I blew up my BP with speed6 k04 this weekend. |
He's using a K04 from a Mazdaspeed 6.
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im intrigued, i always wanted to swap a k04 on my msm. my previous car was also a speed6 and i have alot of left over parts including a k04. ill have to look into this
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That seems like a waste of time and money.
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is this the same piece of crap k04 that has failing seals when you install exhaust and turn up the boost?
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what in the world are those studs in the head?
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Originally Posted by 18psi
(Post 1126617)
is this the same piece of crap k04 that has failing seals when you install exhaust and turn up the boost?
I thought that was a Subie thing. They do the same on the Mazdaspeeds? That's fun. |
Originally Posted by Braineack
(Post 1126618)
what in the world are those studs in the head?
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subie? subies have td04's not k04's. and they don't fail like this k04 pile of junk. dunno what you talkin bouts willis
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Originally Posted by 18psi
(Post 1126622)
subie? subies have td04's not k04's. and they don't fail like this k04 pile of junk. dunno what you talkin bouts willis
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yeah the k04's arent the best turbo, but it was cheap. Im using megasquirt pnp2 with rx7 460cc injectors. Ill get some more pictures next time im by the car.
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Originally Posted by Braineack
(Post 1126618)
what in the world are those studs in the head?
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show us your spark table and logs of AFR
that piston looks like it was gangraped by a train of detonation. |
Wow man, that things really fubar'd.
I'd send the injectors out to be tested and then cleaned if i were you. Do that and report back :) |
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