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Post History: tony-muscle
Depending on what type of fuel pump you have (and where is it located), vapor lock can occur before …In: Runs about 45 minutes, then dies: GO STREET EFI 400HP SYSTEM 30003,
4 years ago
Could it be something like vapor lock related to fuel getting hot after some time running it? Are th …In: Runs about 45 minutes, then dies: GO STREET EFI 400HP SYSTEM 30003,
4 years ago
I faced a similar issue and spent countless of hours working on fixing it and changing settings. My …In: Low Idle Vacuum Tuning
4 years ago
Just reading this post. I have had a nagging idle fluctuation forever. I have tried all I can think …In: AFR Learn maxing out negative
4 years ago
Just to clarify, are you seeing the problem as a stuck vacuum/MAP reading or is this also happening …In: Potential solution for all those struggling with Hesitation, bog, Lean Tip in, hunting idle, stalling, stumble, IAC steps
4 years ago
What cam setting are you using and what is your vacuum at idle?
I had a similar problem and after …In: New to Forum and Fitech
4 years ago
Quote from Paul Bell on August 6, 2020, 12:02 pm
Many people cured this by porting/radiusing the IA …In: LS Throttle Body Whistle
4 years ago
As I play with the Rev Limit RPM function I can't see it doing anything. I had it at 6,000 rpm, …In: Rev Limit RPM function does nothing
4 years ago
Thank you for sharing your experience. I am in the process of going towards ignition control and if …In: Using Vacuum Advance With FiTech Controlled Timing
4 years ago
After you provide a tune and it is uploaded to the unit, does the customer send another data log for …In: Email Tuning Service
4 years ago
A lot of people have posted that they have issues with the adjustment of the rear blades. This proce …In: Latest IAC adjustment instructions from FiTech turning both front and rear blades
4 years ago
I suggest you follow the IAC setting procedure that involves moving the front and rear blades. Somet …In: New to FiTech - Failed Emissions...BADLY
4 years ago
The older FiTech units don't have the line from the pressure regulator to the manifold vacuum p …In: Vacuum line to pressure regulator
4 years ago
Couple months ago corresponding with one of the FiTech reps he provided me with a IAC adjustment ins …In: Latest IAC adjustment instructions from FiTech turning both front and rear blades
4 years ago
From what I remember in the instructions they wanted to be in the #1 cylinder side, which in a Ford …In: o2 sensor location / position
4 years ago
Your IAC setting will likely change as you lower the RPM. You may still within the limits but you wi …In: Changing Target Idle Speed
4 years ago
There are two threads for the same topic. Here is the other one with responses and videos: https://f …In: Visible Fuel
4 years ago
When you say that you checked 12v on the white wire, do you mean 12v with the ignition on or off? Th …In: Will not start. fuel pump running. connect to ecu
4 years ago
Good idea about the inertia switch. I added a relay to the ignition wire to the EFI as an ignition k …In: PWM and fuel pump wiring
4 years ago
I ended up purchasing a Delphi Weaher Pack 2-pin connector (p/n 12015792) for the 12v feed and pump. …In: 6-pin connector melted
4 years ago
I have a Robbmc PowerSurge pump. I have run it for 3 years with zero issues. This is a submerged sum …In: Which fuel pump?
4 years ago
Yes. The ECM controls the pump using PWM. I don't see any problem cutting their orange wire and …In: PWM and fuel pump wiring
4 years ago
Quote from 7.4 4x4 on April 25, 2020, 12:07 pm
It's under the hood I go then, I'll stick …In: 6-pin connector melted
4 years ago
Quote from 7.4 4x4 on April 23, 2020, 9:04 pm
Why did you decide against the relay? I am thinking …In: 6-pin connector melted
4 years ago
Interesting because I have wondered the same. Look at my recent post in regards to the 6-pin connect …In: Orange wire fuel pump
4 years ago
So I backtracked and decided to not use a relay but cut the wires off the connector and purchase a p …In: 6-pin connector melted
4 years ago
I think I am going to go with a relay. I have so many already in the engine bay that I am trying to …In: 6-pin connector melted
4 years ago
Today I was testing my system and I was not hearing the pump go. After some troubleshooting I realiz …In: 6-pin connector melted
4 years ago
I found out on mine that the red wire and the thick yellow wire both have fuses and eventually join …In: Throttle body side harness
4 years ago
You are not referring to the "large" red wire for power supply, right? I have the 6 pin co …In: Throttle body side harness
4 years ago
Okay. So I finally went out for the first drive of the season. I had very high hopes that welding th …In: RPM fluctuation at idle
4 years ago
Is you pump PWM controlled? If so, the idle PWM setting may be to low, so try increasing it.In: low fuel pressure on 3005
4 years ago
Could it be an issue with fuel boiling? Are the intake manifold, fuel lines or EFI unit getting too …In: Runs poor upon reaching operating temp
4 years ago
Quote from javelin_72 on February 4, 2020, 7:26 pm
Quote from tony-muscle on February 4, 2020, 9: …In: Is my IAC motor bad?
4 years ago
Did you check for leaks on the intake/exhaust manifold , exhaust pipe upstream of the oxygen sensor, …In: Is my IAC motor bad?
4 years ago
Nice discussion here. Thanks. You are echoing what I have been reading. If using a dual plane you ne …In: Manifold selection (single,dual) and spacers
4 years ago
This questions may have a lot of different opinions so I am interested in hearing from those that ha …In: Manifold selection (single,dual) and spacers
4 years ago
Quote from bdhulderman on January 23, 2020, 10:32 am
Here's some useful info on replacement pa …In: Handheld cable
4 years ago
4 years ago
Quote from taylorteamracing on December 16, 2019, 7:38 pm
the other issue I have is I have the dual …In: Secondary Adjustment
4 years ago
I don't know if this is the correct way, but what worked for me was to adjust the secondary so …In: Secondary Adjustment
4 years ago
Doing other work in the car, I had to take part of the exhaust out. Having access to the inside of t …In: RPM fluctuation at idle
4 years ago
I had to adjust the secondaries as well. In my case, it was that when in idle, the secondaries were …In: Secondary Adjustment
5 years ago
I officially hit a dead end with this issue.
I replaced the Duraspark distributor with the old di …In: RPM fluctuation at idle
5 years ago
Quote from Hugger1 on November 1, 2019, 6:56 pm
How much advance are you running at idle and is you …In: RPM fluctuation at idle
5 years ago
Quote from Austin DeHaas on October 31, 2019, 10:17 pm
There have been troubles with Duraspark dist …In: RPM fluctuation at idle
5 years ago