Factory Stock Rules
We will be running the Mid America Factory Stock Rules which can be found at:
https://www.midamericafactorystocks.com/rules
RPM limit and chip will remain the individual tracks discretion and are listed below:
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• Option 1 - No RPM Limit but must meet all above listed engine rules including vacuum rule
• Option 2 – 6,500 RPM Limit if all above listed engine rules are met with exception to vacuum rule
• Option 3 – 6,200 RPM Limit with 602 Crate option…Crate engine must remain sealed.
• NOTE: If you utilize option 2 or 3 then you must use MSD #8728 or MSD #8727CT for rev limiting. Rev-control units must be unaltered and mounted under the hood on engine firewall and accessible for inspection with rev limiter facing upward.