I am planning on spraying a 125 shot this weekend and was wondering if the way I have things setup is safe? I only us a micro switch for WOT activation and want to know if the system will be activated to soon like this. I've sprayed a 75 shot with no problem, but what about the 125 ? I ususally stall against he converter to about 2200 rpms then when the light goes on I go to the floor. I figured that with my 4000 converter I should have plenty of rpm before the n2o comes on, but what do you guys think?

Randy

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94Z 355 cid Hughes performance TH350 with 4000 TC, ported and polished 2.00, 1.57 valve heads, ported intake, 52mm TB, Bullet custom grind cam, Comp cams R series lifters, Hooker LT's, custom dual exh. with dynomax bullet mufflers,CSI elec. WP,MSD Digital 6+ ign,Autogage 5" monster tach with shiftlite,AC delete pulley, CC pro mag 1.6 rockers, Forged Ross pistons, 11:1 cr,B&M Pro stick shifter, eagle rods, polished stock crank,balanced rotating assembly , 24lb SVO injectors,Nitrousworks wet kit, AFPR, pcmforless custom program, alston SFCs, boxed LCAs with relocation brackets, tubular panhard rod,chassis engineering 8-point rollbar with 5-point harness, BMR Trac Pak, moser 12 bolt with 4.10's,1LE DS,Hurst line lock, eibach drag launch kit and airbag, HAL 12 way adj struts,CE 3-way adj. shocks, 15x3.5 front and 15x8 rear Weld Draglites with 27x11.5x15 Hossier QTP's. 1.607 60ft 7.62 @ 89.62 mph 1/8 12.02 @ 110.48 mph on motor.
1.57 60ft 7.31 @ 94.2 mph 11.51 @ 115.47 mph (75 shot) Shooting for 10's
In memory of the greatest
#3 Dale Earnhardt The Intimidator

 

It shouldn't come on, but you can get a window switch just in case. Hope you got some good tires because 125 lot funner then 75.

 

What I meant was that I didn't want the n2o to come before I got the necessary rpms so as not to bend a rod. As for tire, my 27x11.5x15 hossier qtp's hook quite well tot he tune of 1.59 on the motor.

Randy

 

I used to spray without a window switch on a stalled LT1. But it only takes one low RPM activation to cause a big boom! I personally would never spray without a window switch.

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Mario,
White 94 Z28
Yeah I got a few mods
Video

 

If the engine should happen to stumble for some reason you could have a big problem. Thats less likely with an auto but it still is a real possiblity. Get a window switch and no worries.

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Greg
95 Z28 conv M6
Georgia F-Body Association

Stage 1 heads, 1.6rr, Meziere WP
lt4 hot cam,lt4 timing chain kit,52mm TB,
Hooker Headers, Pro 5 shifter,3.73s,
NX 150 progressive,
Self-tuned via Tunercat