Thread: 383 stroker ping
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06-05-2007 06:16 PM #1
383 stroker ping
ive recently put a stroker motor in my 71 chevy truck ,engine runs great and really wants to pull.i pull my vacation trailer,the engine has a ping but not on a pull .on a slight deceleration it pings,if i give it more throttle it quits or if i take my foot off the trottle it quites...timing is set at 4 btdc. any advise would be apreciated.....thanks
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06-05-2007 06:34 PM #2
Sounds suspiciously like a vacuum advance unit pulling a big amount of advance when the throttle plates shut. Partially opening the throttle decreases vacuum and the advance unit pulls back to a tolerable range. Change vacuum pods on the distributor and if you wish (recommended), run an adjustable unit.What if the "Hokey Pokey" is what it's really all about?
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06-06-2007 07:37 PM #3
thanks for the advise on my ping problem Nitro and Denny.
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