100 horse shot of nos for 440?

74slnt6 said

I was also planning on a mechanical timing retard, since nitrous will be solely for 1/4 mile passes.

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I'd get yourself a MSD digital 6 box or the like. Easy to micro adjust and I wouldn't want to retard my timing all the time. When you are off the bottle, leaving the line, doing a burnout. I's want that engine running at optimal tune. It would also prevent you from having to change anything when you head to the strip.