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Walter Motorsports Spec Miata AFM Tuning

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align 007

align 007

Date: 03/01/06 Views: 337

AFM Tuning

These photos will show how to adjust the clockspring in the 1.6 AFM. I pretty much went overboard with safety.
In reality, you don't have to loosen the retaining arm screw, you can just stick your finger in there, move the spring stop and move the clockspring by hand. I found it was more controlled to do it with the screwdrivers.

Tools:
2 phillips head screwdrivers
exacto knife
Flat head screwdriver


NOTES
*This should be ideally done with either a wideband sensor and data aquisition or on a dyno.
*Be careful not to get too overzealous with tuning, too lean and the motor goes kaboom.
*This is not the same as AFM tuning from most SM suppliers. They do fancy stuff with laser etching, etc. But it gets you closer.


Click the full size link in each photo page for extreme closeups.

Date: 01/31/06 Owner: Jeff Walter Size: 8 items
AFM

AFM

1.6 Miata AFM

Date: 01/26/06 Views: 671
Remove Cap

Remove Cap

Pry the cap off

Date: 01/26/06 Views: 643
Inside AFM

Inside AFM

Inside of the AFM

Date: 01/26/06 Views: 805
Close Up

Close Up

Loosen the circled screw

Date: 01/31/06 Views: 956
Spring Holder

Spring Holder

Close-up of the clockspring holder

Date: 01/26/06 Views: 880
Clockspring Holding Point

Clockspring Holding Point

Insert the screwdriver here to hold the clockspring

Date: 01/26/06 Views: 871
Screwdriver

Screwdriver

Insert a screwdriver to hold the clockspring

Date: 01/26/06 Views: 864
Move the clockspring

Move the clockspring

Turn the clockspring carefully

Date: 01/26/06 Views: 1014
Page: 1