Placerville, CA – This past weekend officials with the Placerville Speedway and the Elk Grove Ford Sprint Car Challenge Tour presented by Abreu Vineyards conducted sound tests with multiple cars during the annual play day event.

Following the test there has been an update to the muffler rule for both Placerville Speedway, as well as what is required with the Elk Grove Ford Sprint Car Challenge Tour presented by Abreu Vineyards.

The large Spin Tech Muffler (Super Stock 1000 part #1545) and large Flowmaster Muffler were both found acceptable and each will be allowed in competition. Turn downs are required to be used for each.

Tests were also done with Schoenfeld Mufflers that did not pass the sound requirements, therefore will not be allowed at either Placerville Speedway or with SCCT.

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