[jessrayo]

Originally Posted by JANNETTYRACING

Note this is not meant to do anything other than educate and add to the discussion.

Any time you install a MAF in a smaller pipe you must scale back the MAF calibration which then in turn reports Less Torque to both the ECM and TCM.

When you put the MAF in a smaller pipe it will climb higher in the MAF Range than normal so you could theoretically run out of MAF range earlier in your quest for power, fortunately the MAF has a range of 1300 HP in a normal size pipe so even if you reduce the pipe by say 25% you still have 900 + HP range.

It also changes the Load or Grams per cylinder which is what the timing map uses for to determine air load which selects timing value vs RPM.

The ECM is not a big deal, there are work arounds for this.

My concern is in auto cars, the TCM will adjust line pressure based on reported torque.

It should not be a problem going smaller but it is a big problem going bigger, we have seen many transmission failures due to a Mammoth intake pipe.

You may notice the trans shifts harder than normal with the smaller pipe.

Ted.

Good stuff Ted! I got more information on the MAF location. It has to be before the intercooler because this system has meth injection directly into the intercooler and there should not be any Methanol on the MAF. If you are thinking this location should be able to handle 900whp that should cover anything I ever do with this car.

Interesting on the automatic transmission. I only drove the car about 200 miles before turbo install and this my first go round with the 8A so I really don't feel qualified to make a before and after analysis but the shifts are very crisp the way it is set up now.