Wet or Dry Nitrous on 89GT??

Red89hatch

New Member
Feb 28, 2007
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I need some feed back on what to do?? Im running a stock 302 bottom end, and Gt40p heads, trick flow stage two cam, cobra upper, ported cobra lower, #24 injectors. I want some easy power and I dont have enough $ to go supercharged or turbo, so I want to go NOS! Im thinking my #24 injectors would keep up with a 100 shot of NOS, but I dont want to lean on it too much. Should I go wet system, or dry?? Thats the question.
 
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I would go with a wet system. That way you know you are injecting the proper mixture of both nitrous and gasoline. Wet systems are safer and can be added to if you want to up the shot of juice. Dry systems top out around 125hp whereas wet can continue to grow.
 
Wet its safer to use on ur motor. DRY N.o.s just shoots the nos in there and it might lean out ur motor where wet shot also shoots more fuel into the engine that way u have a less chance of leaning it out.



you can not just spray nitrous. the dry kits add the fuel at the injector. im pretty happy with my dry kit. im still on stock injectors. i ran on the 125 shot for the first time last week, 12.55 @113. my best time on the 80 shot was 12.65 @ 110. those times were also without the heater and it was in the 50's and 60's on those nights. i will be running the 150 shot this week with the heater. hoping to get into the 11's.
 
you can not just spray nitrous. the dry kits add the fuel at the injector. im pretty happy with my dry kit. im still on stock injectors. i ran on the 125 shot for the first time last week, 12.55 @113. my best time on the 80 shot was 12.65 @ 110. those times were also without the heater and it was in the 50's and 60's on those nights. i will be running the 150 shot this week with the heater. hoping to get into the 11's.

with stock injectors you are going to run 150 hp shot? I think you are just asking for trouble here. You may get away with it for a bit but i doubt the injector is going to be able to compensate for that much nitrous. You are probably going to be getting on the lean side.
 
with stock injectors you are going to run 150 hp shot? I think you are just asking for trouble here. You may get away with it for a bit but i doubt the injector is going to be able to compensate for that much nitrous. You are probably going to be getting on the lean side.

NOS sells the 5115-II kit to use with the stock injectors. it is a 150 shot. comes with an external pump and a shim for the regulator. i have a 255 pump and the shim for the regulator. it ran fine on the 125 shot with 12* of timing. i dont see it being a problem going to the 150.
 
you can not just spray nitrous. the dry kits add the fuel at the injector. im pretty happy with my dry kit. im still on stock injectors. i ran on the 125 shot for the first time last week, 12.55 @113. my best time on the 80 shot was 12.65 @ 110. those times were also without the heater and it was in the 50's and 60's on those nights. i will be running the 150 shot this week with the heater. hoping to get into the 11's.

dude you ran a 12.5 with a 1.8 60'
I ran 14.1 with a 1.8 60' theres your 11's right there.
i am running a 100hp dry shot on stock injectors but i wouldnt do more then that. im gonna get a wideband meter also so i can monitor my a/f all the time.
i have had injectors crap out before and its bound to happen again down the road. i dont feel safe trusting the injectors.
 
No that timeslip was completely on motor with Nitto drag radials. I have ran high 11's on motor before but that was with 15" slicks and skinnies up front. I'm hoping for deep 11's with the spray. That timeslip on my CarDomain site was from Mustang On Mustang Racing League two years ago. It was heads up drag radial street racing.