Fixed orifice pcv valve holley sniper

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August undefined, 2024

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 … 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 …

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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. 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. can japanese maples be trimmed

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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 … 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 … 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? five walnut

IAC surge finally captured on a datalog. - Holley Performance …

Is this vacuum/PCV arrangement OK? - Holley Performance …

WebOct 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 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 … five wards mediaWebMar 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 … five wands

"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. " - Fixed orifice pcv valve holley sniper

Fixed orifice pcv valve holley sniper

I Finally Did It.....EFI Page 5 For B Bodies Only Classic Mopar …

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.

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WebMar 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 … 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

WebMay 26, 2024 · PCV valve EFI tuning with aftermarket fuel injection Holley Fast Megasquit Fitech fixed orifice EFI Fintech Repair Shop 14.8K subscribers Subscribe 5.2K views 3 years ago … WebMar 9, 2024 · Holley EFI; Sniper EFI; ... sensor may respond with slightly lower vacuum at idle compared to a reading on the manifold if you have a spring type PCV valve since that large vacuum leak near the sensor. ... 637#post243637 (Holley Sniper EFI Fixed Orifice PCV Valve Thread) May God's grace bless you in the Lord Jesus Christ. '92 Ford …

WebMar 30, 2024 · Also to use a Fixed Orifice PCV valve. That helps keep the MAP reading stable. He said he did about 1000+ tunes from user on the Facebook Holley Sniper group page. Many great reviews. I opted for the tuning plus one year of support, plus viewing multiple datalogs to get the tune perfect. Last edited by ... 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 …

WebJan 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.

WebMay 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. five wardrobe stablesWebJun 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 … can japanese people read traditional chineseWebNov 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. can japanese people speak chineseWebFeb 7, 2024 · Fixed Orifice PCV Valve. Questions: 1) While the best approach seems to be attaching the rear "breather" port (on valve cover) to the air cleaner, seems this just needs a filter for air being sucked into the crankcase. Is oil blow-back a real issue or will a push-in breather filter on the valve cover work just as well? can japanese spitz be shavedWebNov 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. can japanese psp games play on us pspWebSep 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 … can japanese ps3 play us gamesWebApr 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. five warehouse business