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Poor little piston

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Old Oct 8, 2017 | 10:26 PM
  #1  
Dwayne88IROC's Avatar
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From: Lake Forest,CA
Car: Cars
Engine: SB
Transmission: manual
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Poor little piston

It looks like a tiny cutting torch was used.
Attached Thumbnails Poor little piston-piston4.jpg  
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Old Oct 9, 2017 | 02:53 PM
  #2  
1989GTATransAm's Avatar
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From: Cypress, California
Car: 1989 GTA
Engine: 369 TPI
Transmission: 4L60E
Axle/Gears: 3.70 Nine Bolt
Re: Poor little piston

What is the story behind the piston?
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Old Oct 10, 2017 | 10:22 PM
  #3  
Dwayne88IROC's Avatar
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From: Lake Forest,CA
Car: Cars
Engine: SB
Transmission: manual
Axle/Gears: 9bolt
Re: Poor little piston

That was a piston in my stock 305 with a 150 shot of N2O.
Then this motor trashed the T5.
Attached Thumbnails Poor little piston-front_good_1.jpg   Poor little piston-t-5_broken.jpg  
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Old Oct 11, 2017 | 12:35 PM
  #4  
1989GTATransAm's Avatar
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From: Cypress, California
Car: 1989 GTA
Engine: 369 TPI
Transmission: 4L60E
Axle/Gears: 3.70 Nine Bolt
Re: Poor little piston

That sounds like something JerryWho would do.
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Old Oct 11, 2017 | 10:41 PM
  #5  
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From: NJ
Car: 1987 IROC-Z
Engine: 406 on N20 w/ EFI
Transmission: P.B. 700R4
Axle/Gears: 12 bolt w/ 3.91
Re: Poor little piston

were you running any kind of ignition timing retard like a MSD box to pull out timing when N2O was flowing? or did you just have a wet/dry shot on standard timing ?
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Old Oct 12, 2017 | 03:06 PM
  #6  
Dwayne88IROC's Avatar
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From: Lake Forest,CA
Car: Cars
Engine: SB
Transmission: manual
Axle/Gears: 9bolt
Re: Poor little piston

I used a wet shot and standard timing. I never expected the stock 305 motor would last.
Nitrous on a stock 305 is only temporary and kind of a waste. I used it to justify the need to stroke it
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Old Oct 15, 2017 | 06:44 AM
  #7  
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Joined: Sep 2003
Posts: 62
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From: Santa Maria, Calif.
Car: 1998 Firebird Formula M6
Engine: LS6 installation finished 8-17-2011
Transmission: T-56
Axle/Gears: Stock 3.42 Ratio
Re: Poor little piston

Are you the Dwayne that used to live in Los Alamos? I was wondering what happened to you. Rich in Santa Maria.
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Old Oct 15, 2017 | 01:55 PM
  #8  
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From: Lake Forest,CA
Car: Cars
Engine: SB
Transmission: manual
Axle/Gears: 9bolt
Re: Poor little piston

Yes, Hi Rich. I relocated to Lake Forest in south Orange county.

I'm still cooking tri-tip and tattooing asphalt.
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Old Oct 15, 2017 | 02:19 PM
  #9  
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From: Santa Maria, Calif.
Car: 1998 Firebird Formula M6
Engine: LS6 installation finished 8-17-2011
Transmission: T-56
Axle/Gears: Stock 3.42 Ratio
Re: Poor little piston

PM sent.
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