Track Tac

212 hemi predator jet

3racing said:
What size main jet is everyone having luck running in predator 212 hemi with stage 1 kit
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You realize what you're asking depends a lot on where your track is (altitude) and the temperature of the day. Air density is even better. Of course that changes daily, hourly. It's not all that hard to learn but it does take a little study. Some get by just reading the plug. Dark= rich and the lighter it is, the leaner you are.
 
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