5/31/2017Inside Line Promotions – BILLINGS, Mont. (May 31, 2017) – The Rocky Mountain Sprint Car Series will make its official debut this weekend at a pair of tracks in Montana.
The newly formed sprint car series, which uses 360ci engines with a restrictor in the injectors, will invade Electric City Speedway in Great Falls, Mont., this Friday night before traveling to BMP Speedway in Billings, Mont., on Saturday.
“The sprint cars are exactly the same as a traveling 360 series car with the only...
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