2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

larger stock mazda afm/ maf's?

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Old Oct 8, 2007 | 08:02 AM
  #1  
DREYKO's Avatar
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I "lost" my emissions....
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From: lillington, nc
larger stock mazda afm/ maf's?

i have heard that similar year 929's turbo 626/ 323's and millinia-s cars have a larger plug and play afm. it affects your fuel curve a bit but a safc will clear that up.
im wondering if this is true and if so what other downsides there are.
thanks guys
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Old Oct 8, 2007 | 08:04 AM
  #2  
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From: New Hampshire
One guy tried a 929 and it didn't work at all.
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Old Oct 8, 2007 | 10:04 AM
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From: London, Ontario, Canada
Are you maxing out the stock AFM?
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Old Oct 8, 2007 | 11:15 AM
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The downsides are that as far as I know no one has ever gotten such a swap to work, ever. So you'd be on your own to make it work.

A better option would be to get a standalone that works without the airflow sensor and get rid of the restriction alltogether. The Megasquirt does that and can be had for under $500 and will give you more performance and tuning options than your plan. When you compare that to the cost of a new AFM and an SAFC plus the time and effort to make it work (if it ever can be made to work), the choice is clear.
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Old Oct 8, 2007 | 12:19 PM
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From: https://www2.mazda.com/en/100th/
we used a KL afm in the yellow car years ago, suprisingly it ran great, the car is pretty far from stock though.

that was like late 2001 though, searching prolly wouldnt work...
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Old Oct 8, 2007 | 01:07 PM
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From: St. Thomas
your looking for the JE50 VAF from a mx-3 1.8l K8 or the jdm klze's
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