holley 12 804 adjustment

For more information go to www.P65Warnings.ca.gov. . 12-804 12-500 Low-Pressure Fuel Regulator (std. Holley recommends applying PTFE paste to the NPT thread of the fittings before installation on these applications. Adding some additives can raise the AVERGE boiling point but cannot remove the lower-boiling components, so regardless of what higher ends are present, the initial boiling point will remain that of the most volatile components. It takes a lot to hurt today's stainless steel valves, but in an older car be careful - and an exhaust gas temperature gauge is not a bad idea to invest in. Holley fuel pressure regulators are designed to precisely control the fuel pressure from the fuel pump to the carburetor. The thinner, lighter products are at the light end of the scale the thicker heavier products are at heavy end. WARNING: Operating, servicing and maintaining a passenger vehicle or off-road vehicle can expose you to chemicals including engine exhaust, carbon monoxide, phthalates, and lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. Brands like MSD, Flowmaster, Hurst, Accel and many more make up the offering of enthusiast-driven products to deliver robust, complete performance solutions for builders, racers, and drivers. See Standard conditions for temperature and pressure - Wikipedia, the free encyclopedia. 12-804 : Quantity: Share : . I installed this on my Onan 7000 generator as part of a project to resolve vapor lock issues in hot weather and high altitudes. Holley low pressure reg woes #12-804. If I wait a hour for the system to cool to ambient temperature then it starts easy. Sorry, we were unable to perform your search at this time. It will meet your needs and deliver great quality at an affordable cost. Depending what your compression is you could add 5% kerosene up to 25% for cars from the 20s with very low compression, like 5:1 or less. The reg takes 3/8" fittings and the gauge takes 1/8" fittings. The reliable, albiet slower, stovebolts never suffered vapor lock because the fuel pump and lines were up front in the airstream of the engine fan. It is not intended to be sold or used for any other purpose. By So - you cannot just say whether it will work or not. I would like to try IMCT, how is it sold? At first it seemed fine, set it to 1.5 PSI and away we go. That is why fuel injection systems push usually 45 to 60 psi on the fuel at all times with a by-pass line - to keep it liquid and keep it moving - so it cannot turn to vapor in the lines. Please use a different way to share. They sold more gas than coal oil. The regulator that was shipped to me has an internal spring from a different model of regulator, the spring should be red. Once the fuel fills up the float bowls in the carburetor and the needles and seats shut, it starts to build pressure, pushing the diaphragm against the adjustment spring under the adjustment screw and allowing the ball to go "up" against the seat, effectively shutting off fuel flow to the carb. Rusty, thanks so much for this information. As the car is parked Temperature. f9vxY"IpBQ? Holley 12-804 low pressure regulator, Weber, jeep etc. I take this to mean that the separate boiling points of the constituents occur at atmospheric pressure but at higher pressure the resulting mix has a single boiling point. We encountered an error while updating this page. Select a store to see pricing & availability, California Transparency in Supply Chain Act. The lower I can get with this pressure is 3.5 psi (at max adjustment). Holley's products also include performance fuel pumps, intake manifolds and engine dress-up products for street performance, race and marine applications.

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