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MAF Mod

T

tropictour

CEG'er
Joined
Aug 9, 2004
Messages
369
Location
Renton, WA
Has anyone ever cut out the bar below the MAF wire hole? I know we did it on my brothers 96 Mustang GT when he added a nitrous kit. But Ive never heard of anyone doing it on here. It did make a fairly noticable difference in the response on his car...before the nitrous kicked in.
-topictour
 
Modding a MAF like this, im surprised the car would even run. A MAF is calibrated for a stock untouched housing and modifying the CFM characteristics is just going to throw off your tune in a bad way. The MAF isnt a bottle neck. If you want to pick up a few ponies, get an XCAL2.

Btw, DeanJoyce did this a few years ago and his car had problems running afterwards.
 
i had a pro-flow maf that was alot bigger, and it onlyhad a little tube for the air to go through, so it was more open... i took my stock sensor out of its housing, and put it in the maf tube the proflow was in, and works wonderful....
 
tropictour said:
Has anyone ever cut out the bar below the MAF wire hole? I know we did it on my brothers 96 Mustang GT when he added a nitrous kit. But Ive never heard of anyone doing it on here. It did make a fairly noticable difference in the response on his car...before the nitrous kicked in.
-topictour
Click to expand...

Don't do it, bad idea, causes lots of potential issues. Many of them long term and severe damage. Trust me on this one, its gone around before with someone that started another contour site, and I even called in one of the MAF design engineers from Ford to explain why it was a bad idea. Unfortunately, I believe all of the relevant discussion was deleted from the other site.

HolyRollerzC3 said:
i had a pro-flow maf that was alot bigger, and it onlyhad a little tube for the air to go through, so it was more open... i took my stock sensor out of its housing, and put it in the maf tube the proflow was in, and works wonderful....
Click to expand...

Different story entirely here. Pro-flow (or whatever they are called this week) actually calibrates thier sampling tubes to the MAF diameter and flow tests them. Still have plenty of issues with these types of aftermarket MAFs (I would NEVER install one of them on a car of mine) but they are a whole lot better than hacking up a perfectly good stock-type MAF.
 
Rara said:
Different story entirely here. Pro-flow (or whatever they are called this week) actually calibrates thier sampling tubes to the MAF diameter and flow tests them. Still have plenty of issues with these types of aftermarket MAFs (I would NEVER install one of them on a car of mine) but they are a whole lot better than hacking up a perfectly good stock-type MAF.
Click to expand...

My recollection is that the Pro-flow MAF is similar to the discussions on what ignition products to use. Some people have great results going with non-OEM, while others have nothing but problems.
 
haha my car wouldn't idle when I supercharged the Mark VIII with a supposedly SC cal'd Pro-M (GMS Unit). After I got the XCAL2 on it and the tuner played with it a bit it tuned up quite well and idled perfect, but out of the box it sucked ass and it was supposed to be a plug and play mod.

OEM Ford MAFs are better as long as you aren't pegging them (after tuning of course). Plain and simple almost no exceptions.
 
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