SheepDog
Well-Known Member
- Thread starter
- #1
Just thought I would share a little info on an issue I ran into while getting E85 tuned by @Wengerd Performance. To be very clear, this issue had nothing to do with his tune, and Darryl has been more than helpful, responsive, and the car is transformed on his E85 calibration. Anyone on the fence about going with Wengerd and E85- Just do it.
The day I brought my Mach 1 Home, mod #1 was to remove the carbon trap/restrictor from the intake to get my 10HP back that Ford stole from me. A simple 10-15 minute job, and put the intake back on the car. I drove it this way for about 2 weeks before getting the tune, and never noticed any change in performance but wasn't experiencing any loss of power, drivability issues or anything like that. I just figured, meh 10 HP wasn't going to make a noticeable difference anyway. (At this point I did not have any way to log, as I was still waiting for my RTD+ to show up).
As it turns out, after working with Wengerd it became apparent that something was amiss. The car would not idle correctly. When coming to a stop, any time I put the clutch in the RPM's would climb to about 2500 and then after about 5 seconds return to normal idle speed. The behavior was mimicking a vacuum leak or maybe a bad Idle Air control motor. After sending some logs Mr. Wengerd noticed that my fuel trims were hovering around +20%. So, either I had flashed a gas tune with E85 in the tank, or I had a leak somewhere (or so we thought)
Long story short- If you want to remove the carbon trap from the intake, you need to separate the filter portion from the fluted section, and then put the fluted section back in. The issue here was that by removing the entire assembly, this increased the inner diameter of the intake tube, which of course threw off the MAF readings. After thinking about what I had done, and scouring over the intake piping, throttle body, intake manifold etc. for leaks I had a light bulb moment and realized what had happened. Pics attached of the pieces.
If you leave the fluted sleeve section out, your gonna have a bad time.
simply separate the round filter potion from the sleeve, then put the sleeve back in. You can see where it fits around the MAF Sensor, and clearly reduces the size of the intake tube. Perhaps this issue has already been discussed, but just thought I would share incase anyone else wanted to do this.
The day I brought my Mach 1 Home, mod #1 was to remove the carbon trap/restrictor from the intake to get my 10HP back that Ford stole from me. A simple 10-15 minute job, and put the intake back on the car. I drove it this way for about 2 weeks before getting the tune, and never noticed any change in performance but wasn't experiencing any loss of power, drivability issues or anything like that. I just figured, meh 10 HP wasn't going to make a noticeable difference anyway. (At this point I did not have any way to log, as I was still waiting for my RTD+ to show up).
As it turns out, after working with Wengerd it became apparent that something was amiss. The car would not idle correctly. When coming to a stop, any time I put the clutch in the RPM's would climb to about 2500 and then after about 5 seconds return to normal idle speed. The behavior was mimicking a vacuum leak or maybe a bad Idle Air control motor. After sending some logs Mr. Wengerd noticed that my fuel trims were hovering around +20%. So, either I had flashed a gas tune with E85 in the tank, or I had a leak somewhere (or so we thought)
Long story short- If you want to remove the carbon trap from the intake, you need to separate the filter portion from the fluted section, and then put the fluted section back in. The issue here was that by removing the entire assembly, this increased the inner diameter of the intake tube, which of course threw off the MAF readings. After thinking about what I had done, and scouring over the intake piping, throttle body, intake manifold etc. for leaks I had a light bulb moment and realized what had happened. Pics attached of the pieces.
If you leave the fluted sleeve section out, your gonna have a bad time.
simply separate the round filter potion from the sleeve, then put the sleeve back in. You can see where it fits around the MAF Sensor, and clearly reduces the size of the intake tube. Perhaps this issue has already been discussed, but just thought I would share incase anyone else wanted to do this.
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