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Old 04-23-2011, 01:01 PM   #1
383Chevy
[><]Sofa King Dirty 4x4[><]
 
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Join Date: Jul 2009
Location: Englewood, Fl
Posts: 353
Pinging noise, possible spark knock?

Theres this really annoying pinging noise, it happened even before i put my new cam in, i can cruise and wont hear it but i have a 383 so like to "get on it" and when i do soon as it shifts into 2nd gear i get this pinging/rattling noise and i know it is NOT and rod knock im being told its a spark knock anyway its annoying as all hell and im not sure how to get rid of it i mean **** im runnin 93 octane too. Any help would be appreciated
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00' Chevy Silverado 1500 z71
33"s
3" lift
5-speed

Past trucks
85' Chevy C10 Step side
388 stroker
33" bfg a/t's
holley 670cfm
world product heads
14.80@92mph

92' S10/Tahoe sbc swap
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