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Old 08-10-2016, 12:30 PM   #70
Gregski
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Location: Sacramento, CA
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Re: INNOVATE DLG1 Wideband O2 Oxygen Sensor Tuning Diagnostics Logging Air Fuel Ratio

Quote:
Originally Posted by AnotherWs6 View Post
10 degrees is pretty tame. My truck "likes" about 15-16.
I hear you and I used to run it as high as 16° myself but since I built (technically rebuilt my 1974 engine with 1999 Vortec heads) according to the GM Chevrolet Performance 350HO Deluxe Engine (19210008) Specifications


"Set initial spark timing at 10º before top dead center (BTDC) at 650 rpm with the vacuum advance line to the distributor disconnected and plugged. This setting will produce 32º of total advance at wide-open throttle (WOT)."

So I decided to time it according to their instructions, (at least to have a baseline) and then adjust accordingly. Just thought you all should know where I am coming from as I am a stickler for doing things by the book, within reason of course.
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