How we turned our autocrossing MX-5 into a time trials champion

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Update by Andy Hollis to the Mazda ND MX-5 project car
Apr 23, 2024 | Mazda, Miata

Put a car on track? Yes, please. But first, our suspension and safety equipment needed some proper preparation.

We initially took our Mazda MX-5 autocrossing but soon expanded to track days. How much faster could the car go on track, we wondered, if we pushed it beyond those cone-dodging rules? And could it compete nationally? 

Within SCCA’s Time Trials program, …

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jerel77494 New Reader
10/20/21 3:56 p.m.

Any reason why you didn't go with the sway bars FM designed?

Andy Hollis
Andy Hollis
10/22/21 7:11 a.m.
jerel77494 said:

Any reason why you didn't go with the sway bars FM designed?

Progress makes the stiffest front bar available in the OE style (per the rules).  Very similar range, albeit less granularity in adjustment, as the Karcepts bar we had been running for autocross.

The rear FM bar is too stiff for our liking.  The Megan bar is about halfway between the stock bar and the FM.

calteg SuperDork
3/7/23 3:13 p.m.

Nearly 10 sec improvement for about $5500 is amazing. Results would probaby be even better with an ND2

t321sg New Reader
5/8/23 11:39 p.m.

Any issues with keeping the engine cool with stock radiator?

Does the factory build in a windage tray, or is there no oil starvation in corners ?

ericwang GRM+ Memberand New Reader
1/14/24 4:33 a.m.

Any reason you choose FM spring over Progress?

Andy Hollis
Andy Hollis
1/15/24 10:47 a.m.
ericwang said:

Any reason you choose FM spring over Progress?

FM rears are slightly stiffer.  Fronts the same.

HVeras GRM+ Memberand New Reader
4/23/24 3:37 p.m.

I paid my subscription and still have no access to this content, this is frustrating 

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