Toyota/Lexus Tech Got an MR2? This is the place for you! Celicas, Camrys, and Supras too!

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Old Mar 13, 2005 | 10:34 AM
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THE HAMMER
 
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Originally Posted by hachibill
so if its a different ohm, or signal strength you can change that in the rom tune.
Exactly.. AFM's just have a starting heat or voltage, and then a ending heat or voltage, and the computer measures the difference between the two to extrapolate how much air just passed by.
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Old Mar 13, 2005 | 10:35 AM
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In the end it is still a shitty flapper door. Find a way to have the Gen 3 ecu to work with a Gen 2 engine, this is a better waste of time IMO.
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Old Mar 13, 2005 | 11:31 AM
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Well, if they hold true to what they said bout developing a Gen3 solution soon, then I think its a major step for the owners of those motors.
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Old Mar 14, 2005 | 06:13 AM
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Originally Posted by MR2driver
In the end it is still a shitty flapper door. Find a way to have the Gen 3 ecu to work with a Gen 2 engine, this is a better waste of time IMO.
this is true... better to ditch all together

some ppl have tried rx7 maf chips and stuck them in the stock housing on the 3s but it has ALWAYS ended in motor death. whether or not this can be attributed to the maf or not is unkown but its a hell of a coinsidence. Now... the reason we cant use Other mafs completely is bc toyota in all there wisdom designed our mafs voltage to be reversed from that of the mainstream. Dunno why... sux tho.
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Old Mar 14, 2005 | 06:17 AM
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Originally Posted by hachibill
ok, why aren't they compatable? care to elaborate why? has anyone even tried? maf upgrades should work no matter what style of maf it is, but the only way to get them to work properly is to have the rom tune set up for it. so if its a different ohm, or signal strength you can change that in the rom tune.
btw... if you are talking about using them in conjunction with some form of ems then absoluetly... you can make any maf work bc its fully programable. But with the stock ecu... not going to happen.
I honestly do not know about using with a new rom board such as a sard patch or something. But if your going to that length... then as I said... y not ditch the bitch completely?
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Old Mar 14, 2005 | 07:05 AM
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Yea, I agree with mr2 driver. If your gonna do it , make it complete. Even to swap to a 3rd gen ecu ,harness,map sensor and Ignitor ect.ect. into a 2nd gen will cost you as much as a full stand alone . Already thought of this . But it would be good on a full full 3rd gen where you could really make a difference.There is really no easy fix to get rid of the afm.Alot of people will by it though because thats all they care about anyway, is a somewhat reliable 300 hp .
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Old Mar 14, 2005 | 01:58 PM
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cool info. would be interesting to see how it progresses
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Old Mar 15, 2005 | 06:42 AM
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still didn't answer my question, i am talking about useing TOYOTA maf's, not mazda. so if they can rom tune the 2nd gen, then you can get a little more power out of a bigger maf from a n/a 7mge or the 5mge. i know the flapper maf's suck but i am still in the right so either go stand alone or get off the pot. now what about rom tuning 7mgte ecu's?
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