can i reuse this piston

[sancosys]

Hang it off a chain next to the clock necklace! Flava Flav!

[bersh240]

it didnt make a sound while it did it? first one that ever blew on you?

[Future_gohan]

it didnt make a sound while it did it? first one that ever blew on you?

This is the first time i've ever put a hole in a piston yes. And I wouldn't know, when it happened a was at the track 2nd gear around 8krpms, i couldn't hear s***t.

[ILoveMyRHS13]

Put it back in.

You won't.

[Future_gohan]

Put it back in.

You won't.

I won't.

[ILoveMyRHS13]

[Future_gohan]

I wonder if jb weld would seal it enough to drive it. lol

[kouki munster]

This is the first time i've ever put a hole in a piston yes. And I wouldn't know, when it happened a was at the track 2nd gear around 8krpms, i couldn't hear s***t.

What the hell are you doing revving a ka to 8k? Were you trying to put the #3 rod through the block and just happened to f**k up a piston first?

[Dattebayo]

Look at all the sweet detonation all over it!

[boriquaS13]

lmao, detonation everyones worst enemy.

[Future_gohan]

lmao, detonation everyones worst enemy.

The detonation is from me still driving it around after that happened. I put over 50 miles on this engine once that happened.

And My tune is set to 8k, so i rev to 8k.

[boriquaS13]

Nice, its going to be pretty nasty after the rebuild. How much more boost are you planning on running? hp goal?

[Gabes13]

8k?Does it even make power up there?

[boriquaS13]

Maybe he's got some nasty head work, to the op what cams are you running and do you have a dyno sheet of previous set up? just curious

[Future_gohan]

Nice, its going to be pretty nasty after the rebuild. How much more boost are you planning on running? hp goal?

Honestly I'm just going to be doing a lot of machine work and such because i wanna do it all wile the engine is apart, I'm looking for the same as last year, just more reliable.

And I was still in boost at 8k, I normally go between 7 and 8, but that day i blew it I didn't care.

and no I never got my car dyno'd, didn't really care how much i was putting out, as long as I could do 3rd gear burnouts and not have to clutch kick to go sideways.

[Lev_96_240sx]

I should do something with it. lol Hmm ideasss!?

Turn it into the piston cup

[kouki munster]

Just because your still in boost up to 8k doesn't mean that your power curve hasn't taken a nose dive.

[Future_gohan]

Just because your still in boost up to 8k doesn't mean that your power curve hasn't taken a nose dive.

I know, I might get it dyno'd next year.

[white_ashes]

isnt the stock redline on a ka 6300? what the hell are you thinking with 8k......whoever setup your ka fails. ka is a torque based motor. you most like fried your bearings too........

[visser003]

Lev - 10k miles on a ka-t at 18psi stock bottom end.

That is not a good explanation, KA's don't just blow up randomly. Revving to 8k without a fully balanced crank blew your motor...finally. Your tune probably had some problems as well.

[NismoZRS]

throw it back in, it's fine

lol what if he did

[Future_gohan]

isnt the stock redline on a ka 6300? what the hell are you thinking with 8k......whoever setup your ka fails. ka is a torque based motor. you most like fried your bearings too........

lmao! My bearings are fine, and my tune is fine. Thanks for the information though

and engines do blow up randomly when all you do is drift the s*** outta it.

[dre1507]

so will we see a wicked kool shift knob?
Modified by dre1507 at 8:57 PM 2/8/2010

[kouki munster]

lmao! My bearings are fine, and my tune is fine. Thanks for the information though

and engines do blow up randomly when all you do is drift the s*** outta it.

Yes engines blow because for whatever they just can't take anymore abuse, but pistons don't get holes in them without something causing it.(most likely a lean condition)

Edit: Just read one of your earlier posts, and all the visible signs of detonation on that piston did not show up because the hole was there. With the hole in that piston there was most likely just enough compression for that cylinder to fire. Witch means that there was no way that it was detonating after the hole was there.

Check your tune somewhere its to lean and/or the timing is to advanced.

Modified by kouki munster at 12:30 AM 2/9/2010
Modified by kouki munster at 12:34 AM 2/9/2010

[Future_gohan]

Yes engines blow because for whatever they just can't take anymore abuse, but pistons don't get holes in them without something causing it.(most likely a lean condition)

Edit: Just read one of your earlier posts, and all the visible signs of detonation on that piston did not show up because the hole was there. With the hole in that piston there was most likely just enough compression for that cylinder to fire. Witch means that there was no way that it was detonating after the hole was there.

Check your tune somewhere its to lean and/or the timing is to advanced.

Modified by kouki munster at 12:30 AM 2/9/2010

Modified by kouki munster at 12:34 AM 2/9/2010

Well, my engine has been threw a lot of abuse, yeah it could be leaning out, but I don't think so, The engine was stock, i never touched it, the pistons can't hold the boost i was pushing, but it doesn't matter, i'm getting a new tune sometime next year

[kouki munster]

Do you have a wideband o2?

[Future_gohan]

nope. But I hope to have one for next year. as with a new tune. god i need to hit the lottery

[visser003]

Well, my engine has been threw a lot of abuse, yeah it could be leaning out, but I don't think so, The engine was stock, i never touched it, the pistons can't hold the boost i was pushing, but it doesn't matter, i'm getting a new tune sometime next year

A big hole in your piston does not indicate that the pistons buckled under too much power. You had a t28 correct? If that is the case, 18psi in a walk in the park for a stock KA if it is properly set up/tuned/not revved to 8k like a fool.

Check out Ka-t.org Nissanfanatic's old setup http://ka-t.org/cory_b.phpHe made 532whp on stock internals. He also ran 400whp daily for around a year, where he claims he drove hard on it whenever he would drive the car.

I would really rethink your tuning and setup so this wont happen again. Even a built engine can blow if you fail hard in tuning/setup.

[kouki munster]

Any piston that is melted or has a hole in it screams that it went through some very lean afr's. I have a sr short block sitting in my work shop that is proof of that. (along with the data logs saved to my laptop)

[charat]

stucko