For more information go to www.P65Warnings.ca.gov, WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov, WARNING: This product can expose you to chemicals including 1,1,1,2-Tetrachloroethane which is known to the State of California to cause cancer. I feel lucky that this did not damage my generator because at one point I saw 30lbs of pressure while trying to start the generator. "Pure" Ethyl Acetate could be called an "alcohol" as Ethyl acetate is the ester of ethanol and acetic acid; and it is manufactured on a large scale for use as a solvent. So they started putting more of the low grade gas, or high grade kerosene into the gas. However I would welcome you advice on the following. Then I got this good one, to try to get 1.5 PSI to the Kadrons. I had a chrome dial regulator, which leaked gas everywhere but luckily didn't actually burn down my ride. YES the boiling point of gasoline can be raised (or lowered) by an additive - depending on what it is - as can the autoignition temperature which will increase "knock" - using the right additive for the fuel you just bought and put in your tank is the trick and it is always going to be hit and miss - depending on what refinery produced the gasoline in the first place. For any further assistance please feel free to call us at: 1-877-238-2623 or visit the nearest Advance Auto store and one of our representatives will gladly assist you with any questions or concerns you may have. A: In the later 1960s, it was somewhat common for people who were going on vacation, in the summer, to add a gallon or two of diesel to a full tank of gasoline for their trip. All petroleum distillates have different chemical properties which change depending on what you mix them with. Can anyone speak to the validity of this or is anyone currently using an additive for this? [endif]-->. Discussion in 'The Hokey Ass Message Board' started by striper, Aug 12, 2009. Use with standard pump only -not recommended for maximum pressure pumps. $41.19. Q: Holley Performance Products has been the undisputed leader in fuel systems for over 100 years. Decrease pressure by turning the adjustment screw counter-clockwise. Fuel pressure regulators are used to adjust for fuel pressure requirements of various carburetors. Each Holley fuel pressure regulator is fully adjustable so regulating the fuel pressure to your engines needs is a simple task. Free Shipping - Holley Fuel Pressure Regulators with qualifying orders of $99. Did not like having to reset to zerobut I did. Like many others, I have been considering what to do recently. Privacy Policy. A by-pass style regulator has the fuel coming in the same side of the check ball as where the fuel comes out to the carb. Unfortunately, this fuel pressure regulator does not even come close to regulating the pressure and keeping the pressure down. Regards, Mike. 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Browse In Stock and Ready to Ship Alternatives, Universal Fit, 1-4 Fuel Pressure Rating (psi), Aluminum. It feeds fuel directly from the tank to the carburettor. . Adjustable fuel regulation from 1 to 4 psi, Holley 12-804 Reg, Fuel Press 1-4 Psi Pol. ${cardName} not available for the seller you chose. Contact Us - DO NOT EMAIL CAR QUESTIONS. The vapor lock issues that I have are with 1920's Packards where the fuel system is essentially at atmospheric pressure throughout. Most certainly it will be my plan to fully explore the possibility of "treating the Fuel", with hopes that diesel fuel will make just enough difference to avoid any re-engineering. Holley 12-804 Carburetor Fuel Pressure Regulator 1 To 4 PSI Bottom Is Inlet Sides Are Outlets for a sandrail, rock Crawler, KOH, Ultra4, truck, UTV, side-by-side, dune buggy, mini buggy, manx, king of the hammers, 4x4, or Jeep. Installation was made more complicated by the absence of a port for a pressure gauge, which means Reasonable . There was a problem adding this item to Cart. IMCT is a "new product" from Klean-Strip they call "Industrial Maintenance Coating Thinner" that provides good solvency and can be used in place of MEK, Toluene, Xylene and VM&P Naphtha for thinning Industrial Maintenance Coatings. Is there a brand name? near you I commented that it was already vented by the clearance around where the float needle projects through the top but he advised that this was not enough and the vent needed to be at least a 1/4" tube and that he could see it venting vapor. Works and does the job. The issue is boiling points UNDER PRESSURE we are talking about here - though the BP article speaks to other issues of engine and carburetor design contributing to the vapor lock problem. I wanted to upload the map, but at 2.73mb, it was too big. TURNING THE ADJUSTMENT SCREW ALL THE WAY IN WILL RESULT IN EXCESSIVE FUEL PRESSURE . Reviewed in the United States on September 4, 2017. You may receive a partial or no refund on used, damaged or materially different returns. Adjustable Fuel Regulation From 1 To 4 PSI.220 Inch 7/32 Inch Restriction. The 12-803 4.5-9 psi spring is plain, (just the gold colored plating) the spring is accessible and replacable The cheap dial units are terrible. Holley 12-804 Fuel Pressure Regulator Installation Instructions . With this set up, pressures throughout system varies only very slightly from atmospheric, lower up to the vacuum tank and higher in the gravity feed from the vacuum tank to the carburettor. Tags: None TheSilverBuick ALMOST Spidey ! This item: Holley HOL 12-886 Regulator $13129 MEASUREMAN 1-1/2" Dial Size, 304 Stainless Steel case, Liquid Filled Fuel Pressure Gauge, 0-100Psi, 3-2-3%, 1/8"NPT Center Back Mount $2597 Moroso 65380 Fuel Line Fitting $1701 Total price: $174.27 Add all three to Cart Some of these items ship sooner than the others. Does this mean that we are back to the situation described by OD where the lower boiling point additive reduces only the average boiling point? There is supposed to a marking on the spring with the correct color, red or gold if it is the low pressure spring. ***The inlet pressure limitation is 7 psi. Too much fuel pressure for a given needle and seat assembly can overload the needle and seat and may cause flooding or drivability problems. Spring clothes pins, aluminium foil, wet burlap, etc. 10 in stock. $12.15: ac000400: Front Axle Beam Bushing Reamer For 1.34 Up To 1.50 Diameter . The first opportunity to try it occurred recently. Reviewed in the United States on April 2, 2022. 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. When I got it to down to 30 - then the 0-15 psi reg would not hold anymore and climbed to 15 flooding out the engine. NPT Inlet Attachment: Free shipping for many products! There is no "chemistry set" method to measure fuel vapor points. #1 Holley 12-803 Fuel Pressure Regulator January 16, 2011, 11:41 AM Can it be mounted upside down (adjustment screw pointing down) and still work properly? I have already been thinking about switching over to a modern fuel pump, say the Mallory 110, plumbing in a regulator just downstream of the carbs, and taking the bypass fuel back to the fuel tank. Conversely if you go too high and it knocks - you can bring it down with kerosene or the paint thinner family. Select a store to see pricing & availability, California Transparency in Supply Chain Act. . What I would do, is with the car off, (or electric pump off), turn the screw a good ways out. Each Holley fuel pressure regulator is fully adjustable so regulating the fuel pressure to your engines needs is a simple task. couple more questions, Rusty, what exactly are "heavy ends"? 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.