Brad; Optimum timing depends on many factors, rod length being one of
them. Dyno testing would be the best way to find the optimum timing of
each configuration. Piston dome, valve timing, compression ratio and
head design all contribute to the mix.
Doug in big ditch
Kim & Brad Johnson wrote:
>
> Ok listers, this question was posed to me. If you're running a long rod
> motor (like a 6.2 rod with a 2.9 stroke.....small block Chevy......298"),
> would you back the timing down from say 38 to 34 because of the longer dwell
> time at top dead center of the piston caused by the 1/2" longer rod?????
> Brad
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