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Re: 3G or EVO MAS wiring


joec
or maybe lick the biss
/2000



Galant VR-4 org Post #: 199174 posted 03/29/05 06:22 AM     Remind Me!  Send Private Message   Edit Post      
What kind of electrical connector does the 3G MAF use? Same as the 2G or do you need a 3G specific one?



1991 GVR4 1630/2000 (sold)

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iceman69510 Galant VR4.org Moderator
Turn Right Racing
855/2000


Galant VR-4 org Post #: 199175 posted 03/29/05 06:26 AM     Remind Me!  Send Private Message   Edit Post      
Unfortunately different than 2g. Should be available on other Mitsus of similar years that used this style MAF. Used since '99 on Galants, 2000 on Eclipse, and also on Monteros and sports. Probably some others too. I am working on getting some of these plugs and I am trying to sell the mafs with the plugs to make it easier.



91 VR4 855 Nile Black
92 VR4 828 Belize Green-SOLD
91 VR4 115 Nile Black -SOLD

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dsmunderstudy
Unregistered


Galant VR-4 org Post #: 199307 posted 03/29/05 01:31 PM     Remind Me!  Send Private Message   Edit Post      
Will the 2G MAS out flow the 3G MAS if the 2G MAS IS HACKED??


Thanks,
Armando

92VR4 894/1000
91VR4 948/2000

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steve Galant VR4.org Administrator
Key Fob Guy


Galant VR-4 org Post #: 199321 posted 03/29/05 01:44 PM     Remind Me!  Send Private Message   Edit Post      
Hacking the MAS is not as much about increasing flow, as it is about hiding flow from the ECU in order to avoid fuel cut. With a keydiver chip eliminating fuel cut and compensating for the different MAS, I don't think hacking the MAS is necessary, or even a good idea.



I know it's a foreign idea for most of us here, but you might want to try taking the car off jackstands.
-mitsuturbo


Edited by steveVR4 (03/29/05 01:45 PM)

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keydiver
Unregistered


Galant VR-4 org Post #: 199322 posted 03/29/05 01:45 PM     Remind Me!  Send Private Message   Edit Post      
I doubt it, but all bets are off when you start "hacking". Why don't you test it and get back to us?

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CP
Still lingering, kinda like a chili and beer fart


Galant VR-4 org Post #: 199705 posted 03/30/05 10:09 AM     Remind Me!  Send Private Message   Edit Post      
Any thoughts on this MAF's compatability with DSMLink (ie no Keydiver chip to compensate)?



-Cy
Resident Spec Miata Racer | '93 Audi UrS4 | '04 Ram CTD | #1788/2000: SOLD

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keydiver
Unregistered


Galant VR-4 org Post #: 199710 posted 03/30/05 10:38 AM     Remind Me!  Send Private Message   Edit Post      
Just choose the compensation closest, like the 2G MAS in DSMLink, and then move the sliders up to add to the airflow, as per the graph I posted. I've talked to Tom Dorris, and that is how he is going to suggest people deal with it. Thats the same way you deal now with a hacked MAS in DSMLink, and it works rather well.

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dsmunderstudy
Unregistered


Galant VR-4 org Post #: 199741 posted 03/30/05 12:12 PM     Remind Me!  Send Private Message   Edit Post      
My friend in his 91 AWD Talon Has it done to his 2G. He found how to do it on roadrace engineering.com
and it works fine for him. All it does is lean out the fuel if you are running rich. I'm going to put the mas in not hacked and then Hack it to see what the differences are.

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powerplay
Yes Man
525/2000


Galant VR-4 org Post #: 207977 posted 04/18/05 04:32 PM     Remind Me!  Send Private Message   Edit Post      
For those that are converting to a 3G MAS, here is the wiring/color code to help make it easy. If you have already upgraded to a 2G Mas then it is pin to pin.

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G Galant VR4.org Moderator
JDM Unit
486/1000


Galant VR-4 org Post #: 208024 posted 04/18/05 05:50 PM     Remind Me!  Send Private Message   Edit Post      
is the 3g color/pin the same as the evo 8 ?



www.japanesenostalgiccar.com
www.nostalgic.co.jp

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jepherz Galant VR4.org Moderator
Too Clean
1881/2000
50/1000


Galant VR-4 org Post #: 211583 posted 04/26/05 02:05 PM     Remind Me!  Send Private Message   Edit Post      
is a 3g mas adaptable to a dejon intake with a 2g mas on it?



-Jeff
1881/2000
50/1000

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iceman69510 Galant VR4.org Moderator
Turn Right Racing
855/2000


Galant VR-4 org Post #: 211677 posted 04/26/05 03:42 PM     Remind Me!  Send Private Message   Edit Post      
Is the dejon round at the end, or the oval shape to match the 2g maf? The 3g is round. If you have used a fernco coupling or some other method like I originally had to adapt the oval to a round dejon pipe, it could work. The 3g is basically the same size as stock VR4 mas, about 3 1/8".



91 VR4 855 Nile Black
92 VR4 828 Belize Green-SOLD
91 VR4 115 Nile Black -SOLD

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powerplay
Yes Man
525/2000


Galant VR-4 org Post #: 213086 posted 04/30/05 12:54 PM     Remind Me!  Send Private Message   Edit Post      
Thanks to Iceman and Keydiver, I am getting ready to install my 3G MAS. Since the wiring is so easy, I just potted up an adapter, 2G to 3G today. Here are a couple of pictures. Once the potting has set up I will make a more permanent black cover.


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twkd
Unregistered


Galant VR-4 org Post #: 213121 posted 04/30/05 03:32 PM     Remind Me!  Send Private Message   Edit Post      
Looks good. You should find the parts and build them for people.

I don't need one, but I almost did. I'm gonna go with the MAFT and GM MAF.

twkd

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RayH
Senior Member
561/1000


Galant VR-4 org Post #: 245166 posted 08/09/05 08:04 PM     Remind Me!  Send Private Message   Edit Post      
For reference, the Evo VIII 3G MAS is #399.

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philipkrotch
Unregistered


Galant VR-4 org Post #: 273452 posted 11/06/05 01:10 PM     Remind Me!  Send Private Message   Edit Post      
i have a 2g mas on my 1g now...my buddy just put an EMS in his evo and im looking into wiring up his evo mas to see the difference. his is a number 399 tho, i dunno what that exactly means but im assuming its the same as a 3g other than the 1% better flow.

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keydiver
Unregistered


Galant VR-4 org Post #: 741549 posted 01/04/09 06:14 PM     Remind Me!  Send Private Message   Edit Post   
Bringing up this old thread to add one piece of information I had overlooked previously:
The documentation I have on the 2G #609 MAS indicates a pressure drop across the MAS of .92 psi at 240 liters/second of airflow. The spec on the #482 MAS is only .54 psi at 240 liters/second! That's probably good for 3-4 HP right there!
The EVO8/9 MAS is only rated at .526 psi pressure drop at 240 liters/second, in case you were curious. More good reasons to choose a #482 3G or EVO MAS over a 2G MAS.
Also, just to repost since it comes up fairly often, the #501 MAS is NOT as good as the #482 or EVO #399 MAS. It is only rated by Mitsu for 210 liters/second, and has ~.78 psi pressure drop because of the larger airhorn blocking the inlet.
I am now stocking complete packages of the good #482 MAS with the 1G-to-3G harness adapter:
#482 MAS package


Quoting 1uGlyGalaNt:

Are they good for more power than a 2g mas?




Edited by keydiver (03/27/09 10:27 AM)

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