Maf Pro M

03roushstage1 · January 5th, 2012, 02:39 PM

I just found a Maf with 1000 miles on it for $80 its a pro m blow thru 3inch tube I think 80 mm is that good for a vortech v2 intercooled And it's calibrated or 42lbs injectors

tp88 · January 5th, 2012, 02:50 PM

should be good. where you find it at? cuz im looking for one also

ytngt · January 5th, 2012, 06:38 PM

Originally Posted by 03roushstage1

I just found a Maf with 1000 miles on it for $80 its a pro m blow thru 3inch tube I think 80 mm is that good for a vortech v2 intercooled And it's calibrated or 42lbs injectors

There is no such ting as a (properly) calibrated maf for injector size. The maf comes with data from the manufacture that tells how much flow for how much voltage output. This data is called a maf transfer function, you could call it an x/y graph you learned about in school. Anyway as long as you have this data it is fairly easy to tune for the new maf. If your tuner does not have that data it is a harder to tune.

BTW, you can get a brand new 90mm lightning maf LMAF for $90-110 used they are cheaper. They are the standard when it comes to a good maf for up to 500 rwhp.

03roushstage1 · January 5th, 2012, 06:43 PM

I'm going blow thru though

ytngt · January 5th, 2012, 07:30 PM

What is your point?

Does pressure now prevent a thermal mass meter (aka maf) from working?

03roushstage1 · January 5th, 2012, 07:31 PM

I didnt think u could do blow thru with that Maf army they blow thru ?

04MidnightGT · January 5th, 2012, 07:34 PM

I've heard lmaf's can have a hard time over 400hp, thats why I bought an hpx maf for my build.

ytngt · January 5th, 2012, 07:47 PM

Originally Posted by 04MidnightGT

I've heard lmaf's can have a hard time over 400hp, thats why I bought an hpx maf for my build.

No 450-475 is possible with a little range left from experience on a blower car. Depends on how aggressive the tune is.

Now to the suck/blow maf question. Yes either one can be used in either application. Now the slot style (05+, hpx) mafs have proven better overall, BUT the 90mm LMAF is still a great maf even though it is typically used in suck through applications.

03roushstage1 · January 5th, 2012, 09:09 PM

Oh ok I got ya

03roushstage1 · January 5th, 2012, 09:24 PM

Oh and it's an older pro m also

cliffyk · January 5th, 2012, 10:49 PM

3" = 75 mm...

Also, the 90 mm Lightning MAF will support right up to the maximum the PCM can support (1740 kg/h) without re-scaling the transfer function, standard air charge, and a couple other tune settings.

1740 kg/h = 3830 lb/h, running f/i that is enough air for 555 fwHP, 472 rwHP.

Click here for more about "calibrated" MAFs...

January 5th, 2012, 02:39 PM	#1
03roushstage1 Enthusiast 2003 mustang roush Join Date: Mar 2011 Location: philadelphia Posts: 527 iTrader: 0 reviews	Maf Pro M I just found a Maf with 1000 miles on it for $80 its a pro m blow thru 3inch tube I think 80 mm is that good for a vortech v2 intercooled And it's calibrated or 42lbs injectors

January 5th, 2012, 02:50 PM	#2
tp88 Regular 2004 mustang gt Join Date: Sep 2010 Location: Houston/pearland tx Posts: 305 iTrader: 0 reviews	should be good. where you find it at? cuz im looking for one also __________________ Vortech Intercooled hitech stage 2 cams 373 gear 75mm tb and c&l plenum bbk l/t 410rwhp 390ft lb @7psi image host

January 5th, 2012, 07:30 PM	#5
ytngt Enthusiast 2002 Mustang GT Join Date: Apr 2010 Location: LA Posts: 953 iTrader: 0 reviews	What is your point? Does pressure now prevent a thermal mass meter (aka maf) from working? __________________

January 5th, 2012, 07:34 PM	#7
04MidnightGT Hardcore Enthusiast 2004 Mustang GT 12.9 @ 111.44 Join Date: Jul 2011 Location: Wichita, KS Posts: 1,262 iTrader: 0 reviews	I've heard lmaf's can have a hard time over 400hp, thats why I bought an hpx maf for my build. __________________ l Custom Hotside l TurboSmart l MHS l Hallman l On3 l BBK l Hellion l SCT l Flowmaster l Steeda l AEM l Tial l HPX l Hawk l Trickflow

January 5th, 2012, 10:49 PM	#11
cliffyk Hardcore Enthusiast Join Date: Feb 2007 Location: Saint Augustine, FL Posts: 1,804 iTrader: 1 reviews	3" = 75 mm... Also, the 90 mm Lightning MAF will support right up to the maximum the PCM can support (1740 kg/h) without re-scaling the transfer function, standard air charge, and a couple other tune settings. 1740 kg/h = 3830 lb/h, running f/i that is enough air for 555 fwHP, 472 rwHP. Click here for more about "calibrated" MAFs... __________________ -cliff knight- My Mustang 2003 GT, UPR X, 24lb/h injectors, Magnaflow, 180° stat, PP 70mm TB & plenum, DF Commando, Steeda UDPs, Ralco RZ_flywheel, RAM HDX clutch, WX EFX COPs 3.73s, 262 rwHP/305 lb-ft. Flex-fuel: burns gas and rubber...

January 5th, 2012, 06:43 PM	#4
03roushstage1 Enthusiast 2003 mustang roush Join Date: Mar 2011 Location: philadelphia Posts: 527 iTrader: 0 reviews	I'm going blow thru though

January 5th, 2012, 07:31 PM	#6
03roushstage1 Enthusiast 2003 mustang roush Join Date: Mar 2011 Location: philadelphia Posts: 527 iTrader: 0 reviews	I didnt think u could do blow thru with that Maf army they blow thru ?

January 5th, 2012, 09:09 PM	#9
03roushstage1 Enthusiast 2003 mustang roush Join Date: Mar 2011 Location: philadelphia Posts: 527 iTrader: 0 reviews	Oh ok I got ya

January 5th, 2012, 09:24 PM	#10
03roushstage1 Enthusiast 2003 mustang roush Join Date: Mar 2011 Location: philadelphia Posts: 527 iTrader: 0 reviews	Oh and it's an older pro m also

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