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10-15-2012
Local High school kid has a 97-03 GTP with no flow mods and what looks to be a 3.2 pulley Lately the car has been breaking the spark plug in cyl 3. It has done this three times so far. I was thinking detonation at the worst forum or maybe rod play, crank play, or a worn out wrist pin? And what are the chances of the spark plug debris going out the exhaust?
Last edited by acidcrashdburnd; 11-18-2012 at 12:52 PM.
10-15-2012
time for a another bottom end for the kid. chip chip a roo goes the piston.
10-15-2012
Originally Posted by scottydoggs
I didnt think about a chipped piston =\ Time for an l36 bottom with SSAC'S!
10-15-2012
Do a compression and leak down test. A borescope would be ideal to look around.
Likely though..he's a murderer
10-15-2012
3.2 with no mods tells that story. and im sure it has a stock tune too. bet it felt good while it lasted lol
10-15-2012
He was running open downpipe for the longest time and started to see this when he put his exhaust back on.
10-15-2012
You may laugh at him.
10-15-2012
open down pipe, i love kids lol
back in the day, in HS i had a 77 GMC pick up truck, 4 speed and a 350, i put long tube headers on it and a 1 foot pipe with a turbo muffler off each header, and that was it! it was loud as could be. and i liked it, but i was also 17 lol
10-15-2012
heh, I drove open down pipe in the Oldsmobile for a week while I was in high school. The cat that we crushed clamp installed fell off while driving. I am pretty sure that it is why I still hear ringing in my ears from time to time to this day.
10-15-2012
How else would there be physical damage to a spark plug.
Piece of piston said, 'ELLO MATE.
And bam, you have a busted plug.
Tell him to have fun learning how to pull a motor and go read on how to mod this platform.
Doofy.
10-15-2012
Three times? I am convinced it is a chipped piston and I can picture chunks of plugs floating around in there too.
10-15-2012
i see dents in the bowl of the head and piston, and dents in the valves. and of course chunks missing from around the piston.
10-15-2012
I had pieces of piston in the muffler.
It's doable.
10-15-2012
hahahahaha ... you really chunked that baby.
10-15-2012
First one, thank you ZZP:
Second one, failed injector...yay:
Love grand prixs, I do.
10-15-2012
Why thank ZZP Tune issues or a hard part failure?
10-15-2012
it is my car, i have an slp cat back, and tune, but the 3.2 was on there when i bought it and i never thought it was that small because i know that would be way to much kr
10-15-2012
it is my car, i have an slp cat back, and tune, but the 3.2 was on there when i bought it and i never thought it was that small because i know that would be way to much kr
10-15-2012
3.2 is way to small to be running on a stock car.
10-18-2012
Compression is normal in the cylinder. He is locating a 3.8 pulley for his hub. if its still doing it I am calling out the wrist pin.
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