Q: You may receive a partial or no refund on used, damaged or materially different returns. This experience ties with that the owner of a very early Twin Six Packard. Now, Holley EFI is dominating the performance world as well as our products for GM's LS engine. By This item cannot be shipped to your selected delivery location. loyalty program This went on until they developed the cracking process which allowed more flexibility in what they got out of the crude. See Standard conditions for temperature and pressure - Wikipedia, the free encyclopedia. Check "Reid Vapor Pressure" in Wikipedia, or similar. Call 800.979.0122, 7am-10pm, everyday. . use a 1/16 - 1/8" restrictor in the end of your fuel line to see if you can set the pressure then. I like the attached simple explanation of the issue. It looks like WhatsApp is not installed on your phone. Note also that PURE ethylene glycol is also flammable but also miscible with water. Holley HOL 12-804 12-804 Fuel Pressure Regulator. In this document is a chart for Seasonal Gasoline Specifications. Tags: None TheSilverBuick ALMOST Spidey ! If the carbs are drawing fuel and you lower the pressure at the reg, it should show on the gauge. One must understand the chemical reactions and interactions of blending other hydrocarbons into what we call gasoline and then still have it able to have the same properties desired of the product called gasoline. store Take a look at the article below. To ensure this condition, the installation of a Holley 12-810 oil pressure safety switch is recommended Reasonable . Your question might be answered by sellers, manufacturers, or customers who bought this product. Neither the Holley instructions nor anywhere I can find says what the maximum inlet PSI should be allowed to the regulator - but I was told it was 16 psi and one other spot on the web says something similar. A: ***The inlet pressure limitation is 7 psi. Holley carburetors have powered every NASCAR(R) Sprint(R) Cup team and nearly every NHRA(R) Pro-Stock champion for four decades. The regulator is a Holley 12-804, I was told it went down to 1 psi and I have a stock mechanical fuel pump. The Holley 12-804 is a 1 to 4 range PSI regulator. Decrease pressure by turning the adjustment screw counter-clockwise. I had a chrome dial regulator, which leaked gas everywhere but luckily didn't actually burn down my ride. 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. The fuel pressure is at 1 - 3 psig since the pump is not running. [endif]-->
