KillerRons - James Monroe
KillerRons - James Monroe
Flying Toilet Kit 
(includes Black Gear Pump standard)
*shown with Air Cleaner Bracket upgrade

3-3/4" 1240 CFM
4" 1435 CFM
4.100" 1800 CFM

The RONS FLYING TOILET SYSTEM  is not only the most widely used but it is the "WINNINGEST FUEL INJECTION IN THE WORLD".  This system has been in production for over 30 years and can be found in the winner's circle every weekend in drag racing, boat racing, tractor pulling, on the salt flats, in the mud bogs and who knows where else.  This system comes complete with everything needed for a "bolt-on" installation that can be accomplished in less than a day in your shop or garage.  Most importantly, it is the most affordable, and yet hassle-free, fuel system on the market and will surpass any alcohol or gasoline carburetor performance numbers, period!

These fuel systems are typically set-up for alcohol fuel but can also utilize Ethanol or E85 with a simple tune-up change.

The most common use for the FLYING TOILET SYSTEM is atop normally aspirated drag racing engines.  That is what we focus on at KillerRONS.COM!  Below you will get an overview of the three basic FLYING TOILET set-ups. 

The smaller throttle body (3-3/4" Butterfly- 1240 CFM) is identifed by a black throttle blade and is reserved for sub-355 cubic inch engines where the owner has no plans of going bigger in cubic inch in the years to come.  This throttle body typically is utilized with a "0" pump and flowed nozzle jets ranging from #28 to #35 nozzle jets.

The middle-sized throttle body is the most popular with a 4" Butterfly (1435 CFM) throttle blade.  This red throttle blade unit has a wide span of cubic inch compatability ranging from 355" to as much as 502".  This throttle body can work with a "0" or "0-1/2" pump and typically utilizes flowed nozzle jets ranging from #30 to #37 nozzle jets.

The biggest throttle body features a purple throttle blade and comes in at 1800 CFM (4.100" Butterfly).  This unit is set aside for the bigger cubic inch/higher horsepower applications.  Engines from 421" to 572" can put this throttle body to work.  Typically this throttle body will be mated with a "0-1/2" pump that will feed approximately 900 HP with as big as #38 flowed nozzle jet.

"Flying Toilet" Throttle Body
Combination Barrel Valve, Fuel Shutoff and Pill Holder
Injector Hoses
Nozzle Bodies
Nozzle Jets
Black Gear Pump
Pump Drive Kit (Most Engine Makes Available and Listed Below)
Shutoff Cable
Fuel Filter
Assortment of Pills

30+ Page Instruction Manual
Barrel Valve Flow and Initial Tune-up by KillerRONS.COM Technician

Air Cleaner Bracket - $45
Billet Twin Gear Pump - $150

Dual Throttle Bodies - $615
Bushed Shafts in Throttle Body - $120

Inline -6AN Filter - $62
Basic Primer System - $350
Primer Plus System - $565
Track Survival Kit - $65
Flying Toilet`Scoop Mount Kit - $208 (add $101 to include extension)
Flying Toilet Throttle Controller Extension Only - $135


Mechanical fuel injection operates at very high pressures so there is no worry of "fuel sloshing" under acceleration like with a carburetor.  Due to this you can mount the throttle body in any direction on your engine. 

The Flying Toilet's base flange is slot-drilled to work atop either a 4150 or 4500 pattern manifold.  The top (air cleaner bridge AREA) is modeled after a 4150 so it is 5.00" across.  The throttle body is 4.625" tall.

All fuel delivery components are hard anodized and alcohol compatible seals are used throughout making the system impervious to the much-debated effects of alcohol on metals and rubbers.

The throttle cable lever comes standard with 10-32 thread but the lever can be changed to 1/4-28 thread if the customer desires.  Throttle throw from idle position to wide open throttle is 2.00".  The shaft is 3/8" in diameter and features a pair of built-in return springs and curb idle stops.

The Flying Toilet throttle body can be purchased individually for $575.  The #3014A Combination Barrel Valve can be purchased seprately for $350.

Throttle cable anchors and scoop mount kits can be seen here.

KillerRONS.COM systems are tailored to your combination by skilled technicians who have championship level experience using these systems.  In most cases your system will ship within a few business days; in some cases the very same day.

Most customers drill and tap their own manifolds following this procedure.  If you are uncomfortable with this we can do it for you.  Please call for pricing and shipping instructions if you would like to utilize this service. 

Need more answers?  Visit our FAQ page.

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KillerRons - James Monroe