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Your MAF calibration is totally off for your intake. It's easy, desired lambda 0.98, actual lambda 0.65, that's almost 35% off.

This is good info, thank you for your reply. However in my case the case was different. I'm at the 3rd engine after that event, and none prior or after that one developed this issue. I always torque the spark plugs the same way, so something was up with that head or engine. I don't know what it...

This person is correct. #3 fails because of the exhaust manifold, not because of the intake manifold. Now you can tell your tuner, whoever that is, that at least two other forum members told you so.

Ok, in case there are still people self-tuning around here and they have a 4BAR Bosch MAP sensor (281002576) here are the values I calculated based on the specs of the sensor (AP/Versatuner): Scalar A/MAP Scale Base Multiplier: 231.48 Scalar B/MAP Scale Second Multiplier: 0.4 Offset/MAP Scale...

60-100mph (96-161Kmph) 3.703s. Modifications at that time: built engine with 4032 Custom SP63 Mahle pistons stock 87.5mm bore, GTX3071R gen1, CP-e TMIC, catted UR downpipe, catted & resonated UR test pipe, Cobb catback, JBR Tru 3" Silicone intake, CorkSport airbox, CoolingMist WMI with a CM10...

Ok, since as far as I'm concerned I'm the ZZB uncrowned king (6) I wonder if with with this new engine I'm building I'd use I should use an OEM pump, an EcoBoost pump or this one: https://www.mountuneusa.com/High-Pressure-Oil-Pump-Ford-EcoBoost-p/2536-op-aa.htm With the last engines I've had...

If you want to command AFRs leaner than 1Lambda you will have to disconnect the secondary O2 sensor. And of course disable DCTs for the secondary O2.

No, there isn't, that would have to go into the ABS control module as well and VT only handles ECU stuff. Indeed, but the accuracy is decent and the error in the speedos is actually programmed (same for the engine RPM gauge). the OBD speed is pretty much on par with the GPS speed on the other hand.

Ok, the speedo displays the readings via whatever the ABS module reports, so there is no influence at all from the gear ratios in the tune. It makes sense though, when in between gears or the clutch is pushed in the speed will still display correctly and has nothing to do with the gear ratios at...

How did you alter the MAF cal compared to your pump gas reference tune?

Has anyone played with the gear ratios in the tune? What I'm trying to accomplish is to bring the speedo closer to the GPS readings but I don't know the impact of changing a few things there (essentially the final drive ratios) for accel/decel adjustment and possibly other things that we can't...

Make sure you turn the traction control off when going WOT in the first 3 gears. I target no more than 1.6 load in 1st because FWD FTW! I see you go well above 2, you will never even put that much torque to the ground. Load 2 at 4000-ish RPM is about 470-ish Nm or 360-ish lb*ft of torque to the...

Does anyone know if when acquired new these heads come with all required parts? I see that on some web shops they come without the camshafts and cam followers (L3K910090G).

Yes, you can change a tune and only add the EBCS settings.

100% turbo.

If the engine is stock then the only real difference between gen1/BK and gen2/BL engines are the pistons. BKs may also have upgraded valve covers, the block is identical so even if it's a gen2 engine it will still have the holes for the hydraulic steering pump, and so on. If that engine was...

Any pf these, Versatuner or Mazdaedit, can manipulate the factory calibration tables. This is all you need to tune for a larger turbo, for aux fueling, and so on. If you are going to tune yourself then just start with a 91OCT/95RON base map, lower the WGDC tables to a safe value but still...

Nope, the spark plugs were fine (all sets purchased from Edge). There's something going on with the head in my case, some vibration probably from the CS cams and stronger springs. I'm in the process of rebuilding now, I'll build a completely new engine and I will tear apart the current one when...

Ok, I did not have the balls to go with the Supertech pistons. I acquired another set of Mahle from SP63 and they came packaged impeccably this time.

So initially the spark plugs were tightened in this engine by the Mazda mechanic who built my engine using a torque wrench. Or all 3 of them actually. Then they were tightened by me in the parking lot but I'm still sensible and I kind of know how to tighten a spark plug, these are not the first...