Advanced timing

400ex killer

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Nov 8, 2016
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I know there is a thread for this but can’t find right now. How far can I truly go 7-8 degrees advanced?
 

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Advanced timing helps low/ mid RPMs, but hurt high rpm.
That's why they have built in timiaang curve.

Vito's sells (or sold) a 10* advance key and recommend for ONLY drag racing.

Search plug image of/for advanced timing. Should be something showing evidence of too much advance.