As a rule of thumb you should retard 1 degree for every 10HP worth of nitrous you add. Can you run a 100 shot without management? Yes. Should you? No.
What are the consequences?
The significantly increased cylinder pressure increases the load tremendously on the rods and bearings leading to a much higher risk of failure. Through our landspeed racing program we have found we can sustain a continuous (minutes at a time) 140 shot on a built K20A2.
Lets put it this way.
Running a 100 shot of nitrous with stock ignition timing is much harder on your engine than an additional 100 HP with a turbo using stock ignition- and how many people here would run a turbo this way?
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Last edited by Hondata; 06-06-2011 at 12:01 PM..