The 'HotMod' chassis is based on a GM metric passenger car frame, with very limited modifications allowed. The suspension must remain relatively stock, allowing only racing shocks and adjustable spring spacers located in the OEM stock positions, thereby limiting fabrication needs. Engines are limited to a maximum c.i.d. by manufacturer, and require cast iron OEM blocks and cylinder heads. Flat or dish top pistons will limit compression, allowing racers to run 92 octane pump gas, while ignition limitations, a mandatory 2 barrel carburetor rule and stock valve train components will keep engine costs in check. DOT non-racing tires and OEM transmissions are mandated, further insuring economical participation. With the distinct body style of a modified and the engine set-back allowed, racer's appreciate the ease of being able to maintenance these cars. These cars look cool, handle well, and are fun to race because they cost less to operate.  

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