Fitech stumbles on acceleration

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August undefined, 2024

WebJul 31, 2024 · There are many problems that can occur due to a car backfiring while accelerating. They are: 1. Loss In Engine Power Every explosion in the combustion chamber results in generating power for rotating the engine shaft. However, if explosions do not appear in the combustion chamber, the engine loses its rotating ability. 2. Fuel Wastage WebIntake manifolds are going to get wet with fuel while running. This wetness changes with temperature, engine vacuum, and air flow speeds. This wetness also m...

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WebFeb 15, 2024 · The stumbles I feel are confirmed in the log files as a very lean spike on acceleration followed immediately by a very rich condition. I installed a pressure gauge at the inlet, behind the filters and fuel pressure is at 55 psi, increases to 60 psi during fast … WebOct 16, 2024 · When adjusting the Accel Pump values make sure you are adjusting the FAST portion not the base Accel values. Those are for slow pedal acceleration which is … r. c. games

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WebMar 23, 2024 · A faulty MAF sensor can cause all kinds of driveability issues: hesitation during acceleration. lack of power. misfires. surges. The most common problem withthe MAF sensor is dirt trapped inside the sensor, usually around the hot wire. Often, using a MAF sensor cleaner will help restore proper operation. WebMar 26, 2010 · It also had a stumble when accelerating when the car was already at speed. I tried the usual tuning tricks: accelerator pump adjustment, float level, bigger squirters, smaller squirters, new accelerator pump, power valve and every color of pump cam that Holley makes with every size squirter that Holley makes. Nothing would cure it. WebMar 11, 2016 · Damn good unit I have two fitech and they gave me some trouble. They are harder to get running and staying in tune ! Reply. Larry Reid says: January 15, 2024 at 12:14 am ... cj and it idles great not running rich no codes and all adjustments were done and double checked the problem is a hard stumble on acceleration like a flat spot any … rc gas drag cars

Fitech EFI: What it Can Do That Carburetors Can’t - In The Garage …

FiTech EFI – Basic Setup Instructions - FiTech Fuel Injection

WebFeb 11, 2016 · 204. Loc. Eastern Washington. Feb 9, 2016. #1. I have an issue that has reared its ugly head with my FiTech system. The system starts and runs flawlessly for varying amounts of time and then will start to cut out. When this happens the controller display freezes with the RPM stuck at 59000+ and I have to reset the display to see real … WebApr 13, 2016 · After all, the fuel is being shot into the throttle body, and the O2 sensor is all the way past the header. I would guess it's a lean stumble, and increasing the accel shot and improving the reaction time will help. That's exactly what I did, and the stumble I had is all but gone. Jerry:beers: "Jet Noise..... The sound of Freedom" WHT/73 Registered rc gas cars racesWebMar 11, 2016 · Damn good unit I have two fitech and they gave me some trouble. They are harder to get running and staying in tune ! Reply. Larry Reid says: January 15, 2024 at 12:14 am ... cj and it idles great not … sims 4 red dress cc

"WebOct 9, 2016 · FITECH SETUP USED: 1200 Power Adder. -8AN Feed and Return. Dead-headed to the Fitech unit. Using an external Aeromotive boost reference fp regulator. Boost reference connected to the Aeromotive and capped at the FiTech unit per instructions from FiTech. ENGINE VACUUM: ~4 at idle and warm. " - Fitech stumbles on acceleration

Fitech stumbles on acceleration

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WebMar 10, 2024 · FiTech offers them with 36-, 55-, 62-, and 80-lb/hr ratings. ... The cruise AFR only affects cruise, so it will not affect acceleration or other AFR settings. WOT are enrichment settings used for adjusting the desired fueling for accelerating under either part throttle or WOT. The average for these settings ranges from 12.4 to 12.7 (an A/F of ... WebJul 17, 2024 · The stumble is from the ACCEL settings. There should be several different temperatures. All of them eventually should be at the same setting. Adjust the highest …

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WebOct 26, 2024 · It is slowing the speed at which the pump is running. Also, you don't need to be adjusting the Accel Pump values those should be fine in the base program. What … WebJul 1, 2024 · if you back fired you may have blown out the back of the blower bas gasket known problem with super chargers I bought 10 of them when I installed my 871 causes a lean condition and loss of vacuum 114 lob sep you should be making more vac fitech likes at least 8 to 10 hg 0 1 Deleted user has reacted to this post.

WebMar 8, 2024 · Well, enough about me. I built my truck over 8 years period, and now it's time to finally tune my Fitech. 1. Get rid of the rich spot I get (mostly comes after a momentary lean spot) 2. Get rid of the lean spot at idle (while deaccelerating) I'm attaching a few screen captures of a log from a drive I did yesterday. WebSep 2, 2024 · Your car’s engine needs a precise mixture of air and fuel to run properly. Hesitation can result from an engine that’s running lean (not enough fuel). Some of the most common causes of fuel delivery issues include: Bad fuel injectors; A weak fuel pump; An obstructed fuel filter; A faulty fuel pressure regulator; Sensor Problems

WebMar 10, 2024 · FiTech’s Go Fuel Regulators allow fuel pressure to be adjusted from 30-70 psi. Tight Fit regulators will support up to 1,000 hp while the High Horsepower model will … WebOct 7, 2024 · after acceleration and on deceleration from cruising or WOT, AFR goes way lean (16.0 -20) and almost dies. Seems to happen more dramatically under hard braking. …

WebMay 31, 2024 · With throttle body–-style EFI, if the engine idles decently but stumbles slightly off idle, try adjusting the idle and / or cruise air/-fuel ratio slightly richer. This can help overcome an off-idle stumble. This assumes that the ignition system has sufficient initial timing. An off-idle stumble can sometimes be cured with more initial timing.

rc gas hydroWebJul 17, 2024 · To all those who use the Fitech 600 system, I need your help. I have a slight stumble with a slight lean condition on acceleration on a smooth throttle input. The AFR at that time is about 15:1 16:1, and corrects itself quickly to 13:1 Also have noticed a exhaust pop and a leaner AFR on closed throttle decell, at around 17 to 18. rc gas hydroplanesWebNov 30, 2024 · I have a 66 Buick Skylark that I installed Fitech Go master kit with inline fuel pump. Using stock tank the only problem I had was the fuel slosh on heavy acceleration. Other than that the system worked great. I bought Holly's efi Fuel tank kit with pump in the tank to solve the fuel slosh problem. installed by instructions. rc gas fueling systems for planesWebMay 1, 2024 · I'm using the FiTech 30003 400HP 4bbl TBI system with my slant's electronic ignition (mopar dizzy and ECU, flamethrower coil, spring kit in dizzy to get a bit more … sims4 redheadsims s4nails seaWebApr 25, 2024 · FITECH SETUP USED: GO EFI-4, 600hp Power Adder (no timing control yet / controlling electric fan) FUEL SYSTEM: 255 Walboro in-line pump Sump on 70' tank … rcgc advisorsWeb9.9K views, 97 likes, 8 loves, 58 comments, 31 shares, Facebook Watch Videos from FiTech: Accell pump settings rc gasser drag carWebSep 1, 2004 · The answer is amazingly simple. The first result of a long-duration camshaft with lots of overlap is drastically reduced idle vacuum. Instead of 16 to 18 inches of manifold vacuum at idle, many ... rc gas helicopters for adults