From an email and the flyer:

Registration is open to anything that rolls--cars, trucks, motorcycles, tractors, whatever. Registration is $20 and ends at noon. Pre-registration is $15 before May 19th. Rain date decision will be posted by June 8th. This is a non-judged event with the grand door prize being a genuine GM Parts 350 cubic inch crate engine, part number 10067353.

Rain date June 30th.

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