te4cmCbGnt]&~`N@RPyBTa$=~fo:/T 92YE)3Uofo4Ou].-zowDt*ae^qf9z/?. A vapor lock condition would be caused. Exclusive, high-quality Global Featured Holley Transmission Kickdown Cable Bracket 20-121; Gold Zinc Steel for 700R4 . There is a light spring that helps push the ball against the the seat in the direction of the fuel flow. I remember when I was a teen in the 50's and everyone had a flathead Ford V8 or a Chevy stovebolt 6. Find many great new & used options and get the best deals for Holley 26-137 Adjustable Secondary Idle Lever at the best online prices at eBay! You would'nt just be reading the inlet pressure would you? MFG. Kerosene diesel fuel or stove oil will work. Was actually disappointed with the quality of the regulator. Rusty, if you can find a cooperative local high school chemistry class, take a small amount of gasoline, split it into 2 portions, add 5% or so kerosene to one half, and have them do a fractional distillation on both. use a 1/16 - 1/8" restrictor in the end of your fuel line to see if you can set the pressure then. 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. This item cannot be shipped to your selected delivery location. Wont be good for a finicky carb. the installation of a Holley 12-810 oil pressure safety switch is recommended for installation into the wiring circuit. Find an Automotive Service Professional Holley 12-804 1-4 Psi Carbureted Two Port Fuel Pressure Regulator: Item #: HLY12-804 : Quantity: Price: $53.99 Add to cart . You may receive a partial or no refund on used, damaged or materially different returns. . Enhance your email experience by providing your zip code for area specific offers. Shopping Cart I have a electric pump at the tank to try and speed up the fuel cooling process but if you have a 100 deg F day you may have fuel near 100 deg F in the tank. . I appreciate it!! wrapped around the fuel lines. I look upon that effort with a heavy heart though, for I have been religious about keeping the old car original as possible. We are sorry. The check ball is held shut with the diaphragm and spring and once the desired fuel pressure builds up it opens that valve and allows fuel to go back to the tank. I have a holley low pressure reg. It is not all the same. ). ***The inlet pressure limitation is 7 psi. I have just this Spring started taking temp. This Holley universal low pressurefuel regulator is factory-setto 2.7 PSI, but is fully adjustablefrom 1 to 4 PSI. 9517377223. Learn more about our Once these chemicals are blended - the over-all resulting chemical properties - especially boiling point under pressure is changed - they are NO LONGER SEPARATE boiling points in play. We currently do not have an estimate when this item will ship. You set it to the exact fuel pressure you want. The two will be very close to the same just as would Water and Anti-Freeze boiled in an open pot. [endif]-->. Each Holley fuel pressure regulator is fully adjustable so regulating the fuel pressure to your engines needs is a simple task. Try it, I think you will find it works. 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. What I would do, is with the car off, (or electric pump off), turn the screw a good ways out. If so how? Please use a different way to share. Can i install a fuel pressure guage on the unit itself? To see our price, add these items to your cart. Plain WATER has great cooling properties, but under pressure will boil at a lower temperature than anti-freeze mixed with water - up to a certain point. It was about this time that car makers lowered the compression ratios, went to long stroke motors, and developed hot spots and vaporizers on their intakes to burn the new low grade or low octane gas. Take a look at the article below. Amazon has encountered an error. The thinner, lighter products are at the light end of the scale the thicker heavier products are at heavy end. I had a chrome dial regulator, which leaked gas everywhere but luckily didn't actually burn down my ride. It is an experimental thing and MORE IS NOT BETTER - less is better until you find the happy medium based the fuel you buy or have in the tank already. Holley fuel pressure regulators are designed to precisely control the fuel pressure from the fuel pump to the carburetor. I have found IMCT is a happy medium that does both in the right quantities - raise boiling point and octane just enough to be a "goldie-locks" kind of additive to help prevent vapor lock. Adding heavier weight hydrocarbons WILL raise the vapor point under pressure - usually enough to keep the fuel from vaporizing in the line or boiling off in the carburetor bowl while flowing. It's unlikely that anything's stuck. Enhancements you chose aren't available for this seller. Too much anti-freeze - (typically ethylene glycol) causes the opposite effect even under pressure of the cooling system. I appreciate it. The BALL shuts off the fuel flow until the pressure on the other side of it lets fuel get past it to keep the pressure constant. Reviewed in the United States on September 4, 2017. That work continues today through Holleys EFI products as well as through Holleys family of brands. These will raise the boiling point of the fuel but reduce the octane. A: Great product from holley, but these do not come with the supplied tap that's suppose to be in box for the 2 machine screws that mount the regulator to the bracket. As the car is parked Temperature. This product is made of high-quality materials to serve you for years to come. 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. . Any thoughts on this? To keep it on simple terms, several people have confirmed that adding some kerosene, diesel fuel or stove oil will reduce the tendency to vapor lock and will NOT hurt an older model, low compression engine. There was a problem completing your request. This ensures that it's set too low. Overview. The issue is simple that one is seeking to "re-blend" their own gasoline from one already sold. should be one inlet in two outlets out, i've seen very smart mechanically inclined people hook the carb to one outlet and the pressure in to the other, it's easy to do, not saying anything bad but could be a a possibility. Holley recommends applying PTFE paste to the NPT thread of the fittings before installation on these applications. Powered by Invision Community, http://www.bp.com/liveassets/bp_internet/retail/retail_australia/STAGING/local_assets/downloads_pdfs/f/FN_modern_petro_vintage_engines.pdf. 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. order Q: 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. So if you're looking for a FPR to get 1-4 psi, then the 12-804 is no longer your best choice. Will buy again if I need another one for a different project. Usually, just runs really lean for a couple of minutes, and will not go above idle until fresh fuel finally clears through. Log In / Register Order Status. 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. I'm still looking for the reg in this pic. I wanted to upload the map, but at 2.73mb, it was too big. HWYoF~Ta77[Z4"bG K=yK May God's grace bless you in the Lord Jesus Christ. If I wait a hour for the system to cool to ambient temperature then it starts easy. Holley 12-840 4.5-9 PSI Adjustable Billet Fuel Pressure Regulator with 3/8" NTP Ports,Black Anodized Brand: Holley 24 ratings | 11 answered questions $10902 & FREE Returns The package length is 9.652 centimeters The package height is 6.604 centimeters The package width is 9.144 centimeters Package Weight : 0.2 pounds See more product details CBPN804A Swinging Drawbar Pin Kit Ford NAA 501 600 700 800 900 2000 3000 4000. Sorry, we were unable to perform your search at this time. It is a measure, as I understand it, of how readily the fuel will evaporate in open air. The vapor lock issues that I have are with 1920's Packards where the fuel system is essentially at atmospheric pressure throughout. 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? Loosening the regulator locknut and turning the adjustment screw clockwise increases the pressure. Also in Tools, Shop Equipment & Chemicals, Cataclean - Fuel and Exhaust System Cleaner, Cataclean Diesel - Fuel and Exhaust System Cleaner, Distribution Blocks, Filters, Adapters and Fittings, Microswitch and Solenoid Mounting Brackets, Mr. Gasket Fuel Pressure Gauge - 0-15 PSI - 1-1/2 Inch Diameter, Mr. Gasket Fuel Block with 0-15 PSI Liquid Filled Fuel Pressure Gauge, 25 GPH Holley Mighty Mite Electric Fuel Pump, 1.5-4 PSI, Earl's Fem.1/8" NPT to Male 3/8" NPT Pipe Bushing Reducer. However the part number on the box was 12-804 which should be a 1-4 psi regulator BUT the Part number etched on the unit was 12-804 4.5-9 psi which doesnt exist. Copyright 1995-2021 The Jalopy Journal: Steal our stuff, we'll kick your teeth in. In fact I can completely remove the adjusting screw and it still does not go down to 3psi. Holley Carburetor Fuel Pressure Regulator 1 To 4 Psi Bottom Inlet Sides Are Outlets from Pacific Customs Unlimited your best source for Street, Off Road, Sandrail, Dune Buggy, Manx, Rock Crawler, Volksrod, or Mud Buggy VW Parts. Browse In Stock and Ready to Ship Alternatives, Universal Fit, 1-4 Fuel Pressure Rating (psi), Aluminum. It looks like WhatsApp is not installed on your phone. Fuel pressure regulators are used to adjust for fuel pressure requirements of various carburetors. As a single solution, or partnered with products from other Holley companies - Hooker Headers(R), Flowtech(R) Exhaust, NOS(R) Nitrous, Weiand(R), Earl's Performance Plumbing(R), or Diablosport(R)- Holley products can give you the edge you need over the competition. Turn the screw out to lower the pressure. From propelling the LS-, Coyote-, and Gen 3 Hemi-swap trends, to continuously innovating late-model and vintage vehicle performance, Holleys commitment to its customers and their cars is at the core of everything we do. Please try again. couple more questions, Rusty, what exactly are "heavy ends"? . The '54 Bentley already has an electric SU pump back near the tank, and it's low pressure output is just about right for the two SU H6 type carbs. 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.
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