TEXAS 8.5'S RULES AS OF NOVEMBER 2009 Texas 8.5
Power adder
* Limit on 2 stages * Limit one #6 an nitrous line * Limit two nitrous bottles teed at bottles to #6 an line * Single type power adder only * Gasoline only (except roots type blower on alcohol)
Chassis and Body
* Any type suspension allowed * Fiberglass hood, bumpers, front clip, doors, and deck lid allowed * Door cars only * Lexan OK * Weight must be bolted or permanently mounted * Full square tube chassis allowed * Wheelie bars allowed * Max weight of 3450 lbs. * Min. of 50% of total weight on front
Tires
* Max rear sick 26 x 8.5 designations (9” as measured) * Commercially available tires only no test tires
Transmission
* OEM style transmission only
Weight and Combinations
* Small block single turbo 91 mm intercooled @3300
*Small block procharger F2 intercooled @3300
*Small block wedgehead nos 1 carb. @3000
*Small block wedgehead nos 2 carb. @3100
*Small block canted/splayed valve @3250
* Small block blower 1271 @3300
* Small block limit 470cid
*Big block conv. Headed 1 carb. @3300
*Big block conv. Headed 2 carb. @3350
*Big block pont./ big chief 1 carb @3400
*Big block pont./big chief 2 carb. @3440
* Big block blower limit 1071 @3400
* Big block 10.2 deck @ 650 cid
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