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post #1 of 18 (permalink) Old 08-07-2013, 10:54 AM Thread Starter
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02 GT MAF - air tube / box?

So I bought a tune for my car and I noticed that I can upgrade to an 02-04 GT MAF sensor to get a little better throttle response.

I spent about an hour searching and reading last night so I know all about the IAT sensor wiring issue, the fact that you need the tune adjusted, etc.

One thing I did not find though was can you reuse the stock airbox? My understanding is you need the different MAF and you need a different intake tube from the MAF to the throttle body, but how about the box where the air filter is?

Ideally I'd like to keep the stock box where the filter is and just replace the MAF and tube. Can anyone confirm that will work or do I need to keep looking for a 99-04 air box to go with the 02-04 MAF?

Thanks!

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post #2 of 18 (permalink) Old 08-07-2013, 01:26 PM
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If you get a MAF adapter like this...

http://www.ebay.com/itm/80mm-MAF-Int...27fb28&vxp=mtr

You can bolt that to your 80mm MAF and use a silicone coupler between it and the airbox.

-Matt
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post #3 of 18 (permalink) Old 08-07-2013, 01:48 PM
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That's exactly what I did. I used a 4" x 3" silicone coupler.

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post #4 of 18 (permalink) Old 08-07-2013, 02:14 PM Thread Starter
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Something like this - http://www.ebay.com/itm/102-76mm-4-3...item3a7689ddfb ?

Hey Michael, do you have a photo of the installation? I'd like to see how that looks. Thx.

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post #5 of 18 (permalink) Old 08-07-2013, 02:48 PM
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The air filter in the Mustang GT airbox is much better than the flat panel one in the stock one.

It also simply fits and only requires slight modification (the notch to clock it 1/4 turn to point it down)

I felt it was easier to cut in a X in the 02 intake tube to put the IAT there instead of using the one on the MAF, you can also use a pre-02 tube I believe.

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post #6 of 18 (permalink) Old 08-07-2013, 03:18 PM
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post #7 of 18 (permalink) Old 08-07-2013, 04:50 PM
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Quote:
Originally Posted by Bangster View Post
The air filter in the Mustang GT airbox is much better than the flat panel one in the stock one.

It also simply fits and only requires slight modification (the notch to clock it 1/4 turn to point it down)

I felt it was easier to cut in a X in the 02 intake tube to put the IAT there instead of using the one on the MAF, you can also use a pre-02 tube I believe.
I went this route; this fits very well. I bought a 6 pin maf pigtail, and wired in the IAT sensor in the maf.

I trimmed the rubber piece on the mustang airbox to fit thru the hole, with the biggest opening.

I had a sheet of 1/4 silicone, and made a flat 'cover' (with hole) for the hole where the airbox mounts, and glued it to the trimmed rubber 'neck' attached to the round gt filter-box-thing.
The rubber 'neck' sticks thru the sheet about 1/2".

Using the IAT in the maf is better in linearity, and is not as sensitive to the underhood temperature; and it responds to the intake air temperature much faster.

I bought everything here, pretty much; I didn't pay a lot for the whole setup.

I'll post pix in my gallery when I get some good weather, lol. It rains every weekend.

Red '96 Cougar XR-7 240k mi. '02 4R70W, PST DS : '03 PI engine, 04 maf, 24lb injectors, 2.5" exhaust, '02 4r70w + Jmod, DirtyD0g TC + cooler + 3/8" lines, 255 walbro fp. Alpine system.
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post #8 of 18 (permalink) Old 08-07-2013, 10:00 PM Thread Starter
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Quote:
Originally Posted by guitar maestro View Post
2003/2004 Cobra airbox FTW
Explain please

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post #9 of 18 (permalink) Old 08-07-2013, 10:01 PM Thread Starter
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Quote:
Originally Posted by Bangster View Post
The air filter in the Mustang GT airbox is much better than the flat panel one in the stock one...
Why is that? Because it's bigger??

1996 Ford Thunderbird LX - 80K miles, 4.6L Auto, 2nd owner
Mostly stock except for tint, stereo, SC ground effects, and wheels/tires
--> My most recent pics <--
I'm documenting some of my MN12 stuff @ MN12Tech
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- Ford 4.6L Vacuum Hose Replacement How-To
- T-Bird DIY Cheap Headlight Restoration
- Multifunction Switch Replacement
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post #10 of 18 (permalink) Old 08-07-2013, 10:14 PM
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Quote:
Originally Posted by 96PRLBRD View Post
Explain please
Box is exactly the same as the GT one, just the base and snorkel is different. But that base isn't gonna work with the 80mm MAF.

-Matt
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post #11 of 18 (permalink) Old 08-07-2013, 10:19 PM
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post #12 of 18 (permalink) Old 08-08-2013, 02:52 PM
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The car feels more responsive at a launch with the stock airbox compared to having an open element cone air filter. Look up ShadowDragon's setup, mine looks just like his....with the exception of the AED supercharger.

Also, this is set up with the 90mm Lightning MAF.

Here's a pic:

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1996 Thunderbird LX. Gone, but not forgotten Oct 1995-March 24 2016 Trick Flow headded, E85 guzzling beast.

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Last edited by Mgino96tbird46; 08-08-2013 at 04:31 PM.
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post #13 of 18 (permalink) Old 08-08-2013, 04:33 PM
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Quote:
Originally Posted by Mgino96tbird46 View Post
The car feels more responsive at a launch with the stock airbox compared to having an open element cone air filter.
The air is colder, coming thru the hole in the fenderwell; Our cars have a CAI stock.

The 'stang boxen have a hole that goes thru the wall, rather than the bottom, thus the discussion above about the notch moving.

I haven't seen the airbox GM is referring to, but I'll bet it fits the slot MAF easily, which my eec will not use, iirc.

Pix?

Red '96 Cougar XR-7 240k mi. '02 4R70W, PST DS : '03 PI engine, 04 maf, 24lb injectors, 2.5" exhaust, '02 4r70w + Jmod, DirtyD0g TC + cooler + 3/8" lines, 255 walbro fp. Alpine system.
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post #14 of 18 (permalink) Old 08-08-2013, 04:42 PM
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Quote:
Originally Posted by Grog6 View Post
The air is colder, coming thru the hole in the fenderwell; Our cars have a CAI stock.

The 'stang boxen have a hole that goes thru the wall, rather than the bottom, thus the discussion above about the notch moving.

I haven't seen the airbox GM is referring to, but I'll bet it fits the slot MAF easily, which my eec will not use, iirc.

Pix?
Well, the box that GM is referring to, he had modified his to work. I like something that kinda drops in. I know ours came stock with CAI, but I was once told that a cone style filter makes more power on the dyno. I honestly don't buy it after trying it. I don't see how the stock airbox setup is restrictive, especially when using one of the drop in K&N filters.

On the other hand, discussing air boxes on an N/A setup is almost pointless so long as it draws cooler air from outside of the engine bay.

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1996 Thunderbird LX. Gone, but not forgotten Oct 1995-March 24 2016 Trick Flow headded, E85 guzzling beast.

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post #15 of 18 (permalink) Old 08-08-2013, 04:54 PM Thread Starter
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Well I'm thinking I'll hold off on this mod now due to cost. I just got a tune from Don Lasota yesterday and I asked him about the MAF. He basically said it's not worth it since I'd need a new tune, a wideband, and datalogging, and he wasn't sure it did much for throttle response anyway.

I got the impression from the threads here that the tuner just needed to make a simple change to the tune to accommodate the new MAF, apparently it's not worth it at this point.

I don't even really know anything about the wideband, so if we're talking $50-100 (??) for the tune aspect, forget it. I'll just do it if/when I do other mods.

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Mostly stock except for tint, stereo, SC ground effects, and wheels/tires
--> My most recent pics <--
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- Door Hinge/Bushing Replacement
- Ford 4.6L Vacuum Hose Replacement How-To
- T-Bird DIY Cheap Headlight Restoration
- Multifunction Switch Replacement
- How To Bleed Teves ABS Brakes
- How To Remove Front Plate Bracket

Last edited by 96PRLBRD; 08-08-2013 at 09:48 PM.
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post #16 of 18 (permalink) Old 08-08-2013, 06:13 PM
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Quote:
Originally Posted by 96PRLBRD View Post
Well I'm thinking I'll hold off on this mod now due to cost. I just got a tune from Don Lasota yesterday and I asked him about the MAF:


I got the impression from the threads here that the tuner just needed to make a simple change to the tune to accommodate the new MAF, apparently it's not worth it at this point.

I don't even really know anything about the wideband, so if we're talking $50-100 (??) for the tune aspect, forget it. I'll just do it if/when I do other mods.
Well the thing is, he has to cover his butt, so to speak. You don't always need to run a wideband when you switch to a larger maf on a near stock engine setup, but it is the only way to assure 100% proper operation. This is simply how he likes to run his tuning business----other tuners will gladly sell you a tune for whatever maf you want to run since they're going to assume that you're willing to accept any possible variation in fuel trims from running said maf. That said, I have ran 80mm Marauder MAFs, 80mm GT MAFs, 90mm Lightning/Cobra MAFs all within acceptable tolerances for fueling. Doesn't mean that everyone will have such luck, hence why some people end up needing fine-tuning, and others just swap/tune and go.
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post #17 of 18 (permalink) Old 08-08-2013, 07:42 PM
No, Mr. Lemmywinks, No!!!

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If you want to do a bunch of mods to your car, you need to be prepared to stay on the nice side of your tuner; you will be sending him money regularly, as you add pieces.

I would accumulate the pieces to do a higher performance build, and add them all at once, with a tune to go with all the pieces.

Unless you want to do it yourself. You can buy tools to do this. But it is a very steep learning curve, and a mistake breaks stuff. As I well know, lol.

If I were you, I'd hold off on the piecemail mods, and pay Don for the "major upgrade" tune. He's very reasonable.
And get a wideband in the meantime; that was good advice.

You need a wideband to keep from killing your car, if you're going to be doing major mods.

Mods you buy aren't always perfect, and you need to know Just How Imperfect.

Datalogging is something to become familiar with; you'll want a laptop, and an xcal2 or xcal3. You may already be datalogging, excellent if you are.

Used MAFs are always suspect; It's nice to have a WB as a cross check on how things are going.

These cars are pretty quiet, stock; it's hard to hear detonation, unless it's bad.

With a real exhaust, forget hearing anything less than a broken rod or piston, lol.

If you go lean, most likely on a nice, cool morning when it feels Really Great™, and it will chunk pistons.

That's where all my lean spots show up, lol.
.

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Black '96 Cougar XR-7 (Lazarus) 210k mi PI Intake, '02 4R70W, Jmod, PST DS, GrogTune, Konis, Mark LCA+Poly, racecougar Custom Engine Chain, and JL and racecougar Bracing.
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post #18 of 18 (permalink) Old 10-08-2016, 05:50 PM
No, Mr. Lemmywinks, No!!!

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I hate to double post, but I'm redoing Lazarus' tune, adding an 04 maf and fine spray 24lb injectors.

Which tune file do y'all recommend for the GT maf upgrade, and is there a different file for the later injectors?

I'm interested in what y'all think.

Red '96 Cougar XR-7 240k mi. '02 4R70W, PST DS : '03 PI engine, 04 maf, 24lb injectors, 2.5" exhaust, '02 4r70w + Jmod, DirtyD0g TC + cooler + 3/8" lines, 255 walbro fp. Alpine system.
Black '96 Cougar XR-7 (Lazarus) 210k mi PI Intake, '02 4R70W, Jmod, PST DS, GrogTune, Konis, Mark LCA+Poly, racecougar Custom Engine Chain, and JL and racecougar Bracing.
Black '97 Tbird Limited Edition, '02 4R70W, 255 walbro, PST DS, PBR Brakes&SS lines, Toicko Blues & Springs, GrogTune.


"War Is Peace. Freedom Is Slavery. Ignorance Is Strength." - George Orwell.
Truth Isn't Truth. - Rudy Giuliani, 2018 Award winner, “Most Outrageous Diversion” by MSNBC for this quote
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