Thread: 350 shot, a pistons got a hole
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03-11-2011 01:44 PM #1
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350 shot, a pistons got a hole
block dart chevy sb 434, carburetor holley progressive 950, cam LS:110 dur @.050 int: 248 exh:254 ratio compression 12.9:1, 350 shot Nos fogger using progressive, runner intake 221cc runner exh 75cc, fuel used c-12, timing beginning 40° without nos then a retard of 14° as nos is applying, the retard was 10° first gear, 4° retard at second gear, transmission powerglide, sea level 1540 meters
a piston got a hole
what went wrong?
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03-11-2011 05:35 PM #2
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was it by the intake valve notch or the middle of the piston
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03-11-2011 05:53 PM #3
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fuel nozzle plug up?"PLAN" your life like you will live to 120.
"LIVE" your life like you could die tomorrow.
John 3:16
>>>>>>
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03-11-2011 09:44 PM #4
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Timing at 40??.Hummmm.Good Bye
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03-12-2011 08:17 AM #5
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What pills? Nitrous pressure? Fuel pressure? Have a pic of the piston? Progressive controller on the N2O? Whose? Ramp time? C16 better fuel for N2O, C12 not nitrous friendly. Which hole? Where on track?
Need more info. How much N2O experience? 350hp isn't a begginners level so i assume you have worked your way up from lesser levels?
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