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1.6 Parity - request for input

rules smac parity

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Todd Lamb

Todd Lamb

    Driver Coach // Racer

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The current SMAC agenda includes the topic of 1.6 parity. We have about 9 letters on the subject. If you've submitted a letter, thank you. We are taking your input into consideration. We welcome additional input.


The current thinking is that there is a need to give some help to the 1.6 to bring it up to the performance level of other cars. The discussion centers around ways to do this that will benefit the majority of 1.6 owners. We considered the likelihood of implementation, based on cost and difficulty for the average racer. We do not want to create a ruleset that makes the 1.6 the Car of the Year, as that would not be good for the class.


Allowing more compression may be a very good way to improve parity, but it comes at a cost that makes it unlikely for the majority of 1.6 owners to implement in the near future.


There were many options discussed, but they were boiled down to a general consensus to consider allowing all of the following:

-removal of left turn signal (less heat soak by getting cooler air to intake)

-heat wrap/tape on snorkel (keeps air cooler)

-cleaning up of welds on factory header (eliminates parts bin hunting and allows all OEM headers to be "good")

-lightening of factory flywheel by approx 2# (helps acceleration in lower gears)


We wanted to give all racers an opportunity to provide additional feedback regarding this topic now that we have come up with a potential solution. While we welcome discussion in other sections on this forum and many of us read it, it is not OFFICIAL feedback. If you have an opinion on this issue you MUST submit a letter here:







Full disclosure: SMAC chairman, my opinions do not reflect anything to do with the SMAC unless specifically stated.

Todd Lamb
Atlanta Speedwerks
SpeedShift Transmissions - reliability and performance

Spec Miata / Spec Boxster / Spec Cayman specialist

Spec MX-5 Challenge Series Director

Global MX-5 Cup team

MX5 Cup Champion - Has won a Season in the MX5 Cup Survive the 25, NASA Thunderhill - Survive the 25, NASA Thunderhill NASA Champs Winner - NASA Champs Winner ARRC Champion - Won the ARRC Race in a Spec Miata We have a Winnah! - Won their 1st race... Congratulations! Series Champ - Won a points based series in a Spec Miata Donor - Made PayPal donation Bona fide - A bonafide Spec Miata driver June Sprints winner  - June Sprints winner Majors Winner - World Challenge Winner - World Challenge Winner

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