Fixed orifice pcv valve holley sniper

Author: kmdm

August undefined, 2024

WebDec 17, 2024 · The answer is to convert over to a fixed orifice PCV valve. You can buy fixed orifice PCV valves for Chevy engines but you have to make your own for a Mopar. ... Purchased a Holley Sniper EFI for my GTX. I've been having a weird lean pop at mid-low rpm that I just cannot tune out on my Edelbrock AVS carb. Said "F' it and bought it. WebNov 23, 2024 · There are baffles in the camshaft cover coming from the lower crankcase, going to the orifice, and from the fresh air port on the cover. GM did not design a drain on the separator inside the air plenum. The owner has to remove the entire housing and turn it over. A catch can be installed between the air plenum and camshaft port.

PCV Valve - Holley Performance Products Forums

WebNov 28, 2024 · When the idle issue starts, remove the gas cap and see if there is any suction or a rush of air. One other thing you can check is the PCV valve. The Sniper tends to act better at idle with a fixed orifice PCV valve. The change in vacuum when you drop it in gear may partly due to the action of a spring type PCV. WebMar 27, 2024 · The M/E Wagner PCV valve can also be used in Fixed Orifice mode. ... (Holley Sniper EFI Fixed Orifice PCV Valve Thread) May God's grace bless you in the Lord Jesus Christ. '92 Ford Mustang GT: 385"/6.3L SBF, Dart SHP 8.2 block, forged steel crankshaft & H-beam rods, forged pistons, Trick Flow Twisted Wedge 11R 205 CNC … show my operating system

AFR Problem - Holley Performance Products Forums

WebOct 11, 2024 · Athens, GA. Yes, I run a fixed orifice in my ~400HP sbc. No negative issues and the engine certainly doesn't consume oil. I was in auto service when GM came up … WebJan 26, 2024 · Fixed orifice PCV valve ( LINK )? Exhaust leak upstream of WBO2 sensor, or if the WBO2 sensor (or other sensor) has failed and corrupted the Learn Table? Base Timing Table and/or Target Air/Fuel Ratio table programmed wrong? Analyze all sensors on the Data Monitor/Gauges? WebDec 29, 2024 · The Sniper doesn't work very well with a PCV valve and I'm not so sure about using a PCV valve in a boosted application anyway, so you might want to study that issue. gregs69rs Senior Member Join Date: Dec 2024 Posts: 828 Tweet #11 12-29-2024, 02:28 PM It looks like you're running boost. show my parking

A "Real" Pontiac Fixed Orifice PCV - Holley

Need fixed orifice PCV valve model number. - Holley

WebFeb 20, 2024 · You want to use a fixed orifice type PCV. I can't tell from the picture which you have, so I'm assuming you have a conventional setup on there. ... 637#post243637 (Holley Sniper EFI Fixed Orifice PCV Valve Thread) May God's grace bless you in the Lord Jesus Christ. '92 Ford Mustang GT: 385"/6.3L SBF, Dart SHP 8.2 block, forged … WebMay 11, 2024 · On some early Toyota EFI vehicles, a fixed orifice PCV system is used to meter blowby from the crankcase into the intake manifold, where they would be consumed during normal engine operation. This … show my pageWebJan 9, 2024 · A simple list of problems in no particular order: 1) If the cold engine CTS value is 10 or more degrees higher than the MAT the CTS sensor is bad and the engine will not get correct temperature enrichment. Replace the CTS if it reads high. 2) Verify fuel pressure at the Sniper with a pressure gauge. show my orders on facebook

"WebNov 14, 2024 · I have a fixed orifice in my valve cover, LSx valve cover. I then put a one-way check valve in the line going from the drivers side valve cover to the intake … " - Fixed orifice pcv valve holley sniper

Fixed orifice pcv valve holley sniper

FRAM FV410 Positive Crankcase Ventilation PCV Valve

WebAug 8, 2024 · Short answer is that a variable PCV valve confuses the IAC. The IAC is constantly trying to compensate for the changing volume of air the variable PCV is … WebJul 10, 2024 · Turn on the key to prime the system and the pressure regulator squeals loud, real loud. You can hear it over the engine easily. Do pressure was good at 58 psi for about an hour while I tuned the engine. At some point tuning went bad and I couldn't get proper idle performance, surging, stalling poor response to changes.

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WebMar 21, 2024 · The factory variable spring loaded valves can create havoc in your tune. When your trying to dial in your Tip In or Acceleration pump the last thing you want is to … WebJul 28, 2024 · 07-29-2024, 10:32 AM. IAC in park idling with the fixed orifice is about 2-3, sometimes it drops to 0-1. The IAC is higher when hole is blocked and higher with regular PCV valve installed. I'll leave the fixed orifice one in the car and continue to test for unwanted IAC activity. The engine runs great, but has been sold.

WebJun 5, 2024 · A PCV valve can cause a lot of weird problems with a Sniper and can actually be dangerous if the PCV sticks open at the wrong time. The Holley engineers forgot to mention this in the instructions. A spring loaded PCV should always be replaced with a fixed orifice type PCV when swapping over to EFI. Hi-fi Junior Member Join Date: Dec 2016 … WebApr 22, 2024 · Your Sniper is rarely in Closed Loop, so that's one clue. When it's in Closed Loop sometimes it's up against the rails using 50% for both Closed Loop & Learn. I think you have a fuel delivery issue. Could be a clogged fuel filter, a bad pump, a poor connection on an injector, or something along those lines. It appears to be intermittent. gostephen

WebDec 13, 2024 · Reading about fixed orifice PCVs made sense but old Pontiac engine PCVs aren't made the same as Chevrolet, they have a 1/2 inch nipple on their inlet to fit into a valley pan grommet. I bought a Fram FV410 PCV … WebApr 4, 2011 · Discussion Starter · #1 · Mar 25, 2011. The PCV valve on my '03 rattles like crazy at idle, and has for almost as long as I can remember. I don't know why it's taken …

WebNov 30, 2024 · Looks like you're going for a factory resto look. If so, you'll need to modify the factory PCV valve so it's a fixed orifice type. Do not run a factory PCV valve with the Sniper. It can stick open and cause a hung throttle condition. You should be able to take a factory PCV apart, and then run a small tube through it and pot it with RTV.

WebMar 10, 2024 · Is the Sniper EFI Learning? Is the ignition timing synchronized ? Is the fuel pressure 58-60 psi ? IAC Position of about 5% at hot idle? Vacuum leaks? Check for ignition misfires/RPM signal problems? Wiring issues ? Fixed orifice PCV valve ? Exhaust leak upstream of WBO2 sensor, or if the WBO2 sensor (or other sensor) has failed and … show my passwords edge show my partsWebSep 23, 2024 · Replaced the PCV valve with a Fram from a previous post and oil usage got much worse. Bought a fix orifice PCV valve (0.100" opening) BDW PCV484 and oil usage on the last 1000 miles has been … show my passwords on this computerWebOct 10, 2007 · The fixed orifice PCV provides a much more controlled vacuum vs the rattle type. Easy upgrade, wish it would have came with a 90 degree boot, but I popped the old plastic one off of my rattle type and reattached to this one in seconds. (Just apply a little heat from a heat gun or hair dryer) 6 people found this helpful Report show my past searchesWebApr 10, 2024 · #1 Holley Sniper Tuning Issues 04-10-2024, 05:30 PM New to the forum and EFI tuning. I had tuned my cars for years with carbs without issue. I've had the Sniper for quite some time trying to tune by reading articles I could find and the forum, but I'm stumped at this point. show my passwords in googleWebMay 29, 2024 · Threw on the fixed orifice valve, didn't help. It's like the unit doesn't understand it needs to idle. It just sits there and lets itself nearly die then remembers to open the IAC and stay running. Just does it over & over again. One interesting thing is, it'll do this even if it doesn't start to die. show my passwords google chromeWebMar 5, 2024 · You can connect the PCV just like it's shown in the instructions, but you really shouldn't since EFI can have a serious issue if the PCV valve fails. It's much safer to use … show my past