The Holley Fuel Pressure Regulator (Part No. I adjust it up to 2.5 pounds and clean my hands. In fact I can completely remove the adjusting screw and it still does not go down to 3psi. Spring clothes pins, aluminium foil, wet burlap, etc. THE SECOND ISSUE - the vapor system on the Packard is going to be a problem no matter what today. By the way, I had an excellent service from this seller (5 stars!). 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. One common problem is when you have an abnormally warm day in the winter, and the low vapor pressure gasoline in the car will vapor lock on that hot day. It is as said - of the "paint thinner" family in weight with ehtyl acetate blended in to make it's solvency properties a little "hotter " and stronger. If you purchased April gas when you take your Antique out of winter storage it is only a month until the switch from 124 deg F to 140 deg F. This might explain a lot of problems in early summer. It seemed to work fine for a while after I dialed it into 2psi at idle, but now it reads 6psi and it won't adjust down to 3psi. WARNING! All Holley regulators are pre-set at the factory so there is no guesswork when first installing the regulator. So this thread has been a great find for me particularly at this time. Recommended Parts. (that is this one in the image below) The adjustment spring under the adjustment screw is pushing down on the diaphragm holding the ball off it's seat. The issue is simple that one is seeking to "re-blend" their own gasoline from one already sold. on this design the adjusting screw all the way out should decrease the pressure the most - IF the ball valve will seat TIGHT, When I adjusted pressure below 30 - it would not seat any longer even with the adjustment screw all the way out. To see our price, add these items to your cart. The fuel pump and fuel line setting top center of the engine was not only in the hottest ambient temp, except for the exhaust manifolds, under the hood they acted as a heat sink transferring heat from the block to the air. You can wire a by-pass switch for priming if it is really required. We tend to speak of pressure as higher or lower than atmospheric however it is a relative measure and pressure applies under all conditions. A vapor lock condition would be caused. The Holley 12-804 fuel pressure regulator features 3/8" NPT in/out ports. The other part numbers utilize an AN O-ring inlet, outlet, & return ports, and do not require any sealer on the threads. If you have it plumbed up "dead headed", lowering the pressure might not react very quickly. [endif]-->. I recall when Texaco used to advertise their "customized for your area" gasoline, in the earlier 1960s. 9517377223. 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. Learn more about our Turn the screw out to lower the pressure. Reviewed in the United States on April 2, 2022. All Holley regulators are pre-set at the factory at 2.8 PSI so there is no guesswork when first installing the regulator. A: However I would welcome you advice on the following. Please try again. Then I got this good one, to try to get 1.5 PSI to the Kadrons. Everything does just fine, until temperatures rise above 80 degrees or so, as they are soon to do.
Is Crypto Market Manipulation Illegal, Chicago Outfit Street Crews, New Directions Behavioral Health Lawsuit, Kate Mcclymont Contact Details, Andrew Ellis Obituary 2021, Articles H