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SNIPER N2O Kit with SNIPER EFI. Jetting size conversion help needed.

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  • SNIPER N2O Kit with SNIPER EFI. Jetting size conversion help needed.

    Recently installed a Sniper EFI setup on my car, and also have a Sniper nitrous kit that I'd like to use with it. The Sniper plate kit is originally for the 4150 carb. P/N A7001-SNOS. I run a Tanks Inc. in-tank EFI pump, which works great with the EFI setup. I originally had considered using a low pressure regulator, to lower fuel pressure before the fuel solenoid, relying on the EFI return to allow adequate fuel return, as it does now. I've found that I can use the plate with high pressure fuel, but need to know what the conversion rate is to do so.

    47 Nitrous/53 Fuel is what NOS suggests for a 100 HP jetting for carb. What jet would I need for fuel, with 58.5 psi of fuel pressure, to reach the same 100 HP rating? Or how can I find and/or use the formula to tell me? I'm going to eventually up the nitrous to 150 HP, or even 175 HP if possible, FWIW.

  • #2
    Contact NOS Tech Service (LINK).
    May God's grace bless you in the Lord Jesus Christ.
    '92 Ford Mustang GT: 385"/6.3L SBF, Dart SHP 8.2 block, forged steel crank & rods, forged pistons, Trick Flow T/W 11R 205 CNC comp ported heads, 12:1 comp ratio, 232-244 duration/.623" lift/114 LSA camshaft, TFS R-Series FTI comp ported intake, BBK 80mm T/B, Holley Dominator MPFI & DIS, Holley 36-1 crank trigger, MSD 1x cam sync, PA PMGR starter, PA 200A 3G alternator, Optima Red battery, 100HP progressive dry direct-port NOS, R134a A/C, Spal dual 12" fans, Frostbite 3-core aluminum radiator, Pypes dual 2.5" exhaust, off-road X-pipe, shorty headers, Earl's -6AN fuel system plumbing, Walbro 255 LPH in-tank pump & Pro-M -6AN hanger, S&W subframe connectors, BMR upper & lower torque box reinforcements, LenTech Strip Terminator wide-ratio AOD, 3000 RPM C6 converter, B&M Hammer shifter, Stifflers transmission crossmember & driveshaft safety loop, FPP aluminum driveshaft, FPP 3.31 gears, Cobra Trac-Lok differential, Moser 31 spline axles, '04 Cobra 4-disc brakes, '93 Cobra booster & M/C, 5-lug Bullitt wheels & 245/45R17 M/T Street Comp tires.

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    • #3
      Originally posted by Danny Cabral View Post
      Contact NOS Tech Service (LINK).
      Thanks. I'll do so in the near future.

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