im no stranger to juice but am to cobalts, if I slap my 2.8 or 2.9 back on and run a 50 shot should i need to pull timing for that small of a shot? Zzp allready removes timing as it is for the lower pulleys. And on my stang i only need 4* taken out on my HSW setup but some people say yes and others say G0 will be fine on lets say 16-18* were zzp stg 3 is at. Anyhelp will be nice for nx guy say 50 is ok with no timing pull for there nozzels keep it at a liquid form longer, if thats suppose to help idk lol

 

oh n the 4* was for a 150 shot. got I miss v8 trq but love the 31mpg

 

A lot of people have run 30, 50 shots without changing their tune, but there are no guarantees. Pull 2* per 50 shot, thats the rule of thumb. That is also what GM does with the built-in nitrous capability of GMS3. It pulls timing, adds fuel (meant for dry shot), and triggers your nitrous for you once you hit 90% throttle and are above 3500rpms. Cuts off 500rpm before your user-adjustable redline.

If you're looking for safety, I'd seriously consider GMS3 (the trifecta unlocked version, not the retail one so you can keep your custom tune) to act as your window switch, timing & fuel adder.

 

so a 50 shot on a zzp stage 3 tune is ok without timing adjustment?

 

yea you will be fine. i have a 75 shot and didnt change the timing from the stage 3 tune from zzp.

 

No way we can tell about your car sitting here behind our computers. You'll need to do some actual logging to check air/fuel ratio and whether you are getting knock retard (if so, then you need to pull timing). I would probably install one range colder spark plugs.