What would be a good amount of nitrous to shoot through a LS2 402 with 10.9cr, and would it have to be retuned for nitrous. I have a dual nozzel ring that is capable of 100-250 shot any ideas or help.thanks.

 

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you should have it checked on a dyno to know it's safe and make sure you have the fuel pump to support it.. if the motor is built spray a 200 to 250 shot. if it has a stock bottom end,go with a 100 to 150 shot. get a nitrous timing retard box. it retards the timing only when the n.o.s is on. on motor you can fun full timing. i got one from thunderracing and it was worth it.

 

thanks about how much do those cost?