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« on: 08 Oct, 2011 14:38 »
Black Rock Speedway
Dutch Hoag’s National Open Weekend
Big Block / Small Block Modified Rules for 10/22/11
This race is open competition, but not a “run-what-ya-brung” race.
-Conventional center-steer, Northeastern-style dirt modifieds only; no special cars.
-Body must be DIRT legal, except sail panels allowed, 65” max. height from ground.
-Any brand, any compound tire, right rear maximum 92”x13”.
-Maximum one 4 bbl or 2 bbl carburetor only, no multiple carbs, fuel injection, turbo or supercharger.
-Cast iron engine block only, must be V8.
-Cast iron, steel or aluminum heads.
-No SB2 or similar NASCAR-type specialty heads.
-Racing or pump gasoline only.
-362 to 467 cubic inches (big blocks & big small blocks) - 2500 tsp
-361 cubic inches and less - 2400 tsp
tsp = track scale pounds
See me with questions regarding rules. We have done our best to put together a package that will allow the greatest number of cars to be legal as well as competitive. Last year, this race had a good mix of big and small blocks, and neither seemed to have an advantage over the other. If you would like to run something, but you are unsure if it will be legal, please call ahead of time and check. Thank you for racing at Black Rock Speedway.