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Our Promise:

Engine Runup does everything possible to keep its overhead costs down, which is why you will notice our prices are quite lower than the competition. We only advertise in Search Engines. We do not sponsor Forums, since they carry a high price, which would only be passed on to the customer. We rely on 'Word of Mouth' for our advertising, and with a quality product, it has treated us well.

We offer a 1 Year Warranty, that's right, 1 year. Engine Runup's kits and parts are the highest quality versus any competitors out there. There are two main components of any alcohol/water injection system, the pump and the solenoid(s). Our pumps are delivered directly from Shurflo, the best name in pumps worldwide, and our solenoids are custom made for Engine Runup, with a solid Brass base, not a single plastic part, and weighs over a pound. The seals in the solenoid are also compatible with 100% alcohol and gasoline. A checkvalve should never be used in the place of a solenoid. We will always offer a better product for a better price, period.

Stage 1 versus Stage 2 Kits

With each kit, we offer a Stage 1 and a Stage 2 version. The Stage 1 Kits are for the budget oriented, that wants quality and affordability without sacrificing reliability. The Stage 2 Kits have extra options such as a Water Filter and a Nozzle Pressure Sensor with a gauge pod mounted light, which alerts you that the system is working correctly. With just a little more of an investment, you will be able to tell when the injectors are pressurized, showing you the system is working. In the rare case the indicator does not illuminate, then you know something is wrong and you will back off the throttle. Both Stage 1 and Stage 2 Kits are offered with a 100 PSI or 150 PSI pump.

Single versus Dual Stage Kits

Each kit can also be ordered in either a single stage, or a dual stage. The Single Stage Kits are for applications where the boost builds up quickly. The Dual stage Kits allow injectors to activate at different boost levels, which is desirable for turbos that take time to spool up. Another application that a Dual Stage Kit is needed is for high power engines that do a lot of towing, or engines that spend a lot of time at partial boost. Diesels are a good example of this, as they produce a lot of boost at various power Stages, and would benefit from water injection at all boost Stages, and not just full boost.

Dual Nozzle Upgrade

When purchasing a kit, you will have the option to add a Dual Nozzle Upgrade. This allows two nozzles instead of one for the Single Stage Kits, or four nozzles instead of two for the Dual Stage Kits. With this upgrade, you will use two smaller injectors, in the place of one large one. The smaller Nozzles have a smaller water droplet size (measured in microns) versus a larger nozzle. So instead of one 4 gph injector, this upgrade allows you to run two 2 gph injectors. Another advantage of this is you can mount the nozzles apart from each other, allowing better dispersal into the air stream. This is not a mandatory upgrade, but you can see it has its advantages.

Our kits are activated by a pressure switch, or can easily be wired to almost any Stand Alone or Piggy Back engine management system.

All kits are alcohol safe and carry a 1 Year warranty (see disclaimer).

Shipping is normally done the same day if the order is placed before 4:00 pm est. In the case the order is not shipped the same day, it will be shipped the following day.