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ODCC THUNDER STOCK RULES UPDATED ON MARCH 26/22
The following updates have been made to the ODCC Thunder Stock Rules: Four changes for 2022 22.54 – Distributor vacuum advance lock outs allowed 40.0. – Crate motor engine repairs / limited rebuilds allowed by approved repair facilities List of tracks SOMS removed Appendix A List of approved repair facilities+ The complete rule book can be found here: RULES PAGE