ULTIMATE CONVERTER CONCEPTS AND BILLET ATOMIZERS ULTIMATE STREET
1,000.00 RUNNER UP
32 CAR FIELD (200.00 TECH CARD)
see www.duckxxx.com for Official Rules
Ultimate Street street is a heads up class designed for any passenger vehicle from any major manufacturer. Ultimate street cars are limited to a maximum cubic inch limit of 440 cubic inches.
Fiberglass/Carbon body panels are allowed. No one piece front ends. Cowl hoods may not be taller than half way point of the windshield. Forward facing scoops are prohibited.
Racers may have forward scoop if completely sealed/plugged.
Aftermarket steering columns are allowed.
Optical devices are prohibited. All entries must have operational head lights and tail lights.
SMALL BLOCKS ONLY
Aftermarket blocks and cylinder heads are allowed. Entries may utilize a single carburetor or single throttle body (4150,4500 mounted) Motor plates and solid mounts are allowed. Engine must be in stock location. Mufflers are required on all vehicles except turbo entries. Entries must utilize a single stage nitrous plate with one nitrous, one fuel and one redundant purge solenoid. Foggers must be disconnected and all solenoids must be capped off. Nitrous plates using fogger nozzles are not allowed. All engines are limited to 440 cubic inches. Any engine in question will be measured with a P&G gauge. A correction factor of 1.5% will be used. Competitors may be asked to remove a cylinder head for bore and stroke measurements should any discrepancies arise.
Nitrous - Progressive nitrous controllers are allowed.
SUPERCHARGERS AND TURBO ENTRIES MUST BE STOCK VALVE ANGLE ENGINES ONLY. NO ENTRY MAY HAVE ANY DEVICE TO DIRECT AIR INTO TURBO OR SUPERCHARGER PERIOD. NO CUTTING OF ANY HOLES ON FRONT END. STOCK FRONT ENDS WITH GRILLS/SLOTS ETC. ARE ALLOWED
WITH NO MODIFICATIONS PERIOD. A 50# WEIGHT PENALTY WILL BE ADDED FOR THESE COMBINATIONS IF TURBO/SUPERCHARGER IS FORWARD MOUNTED BEHIND GRILL/SLOTS/ETC
BOOSTED CARS MAY NOT USE ALCOHOL OR ANY OXYGENATED FUELS.( Q-16 ETC...). ALL SUPER CHARGERS AND TURBOS MUST BE ORIGINAL FROM FACTORY AND TRUE SIZE. NO REDUCERS OR BILLET WHEELS
SB CHEVY STANDARD 23 DEGREE(NO RAISED RUNNER)
SB FORD 20 DEGREE(NO SR20-FT1 OR T1RI OR EQUIVALENT)
FACTORY HEADED SMALL BLOCK FORD MOD MOTOR
- 50 # FOR ANY SUPERCHARGED ENTRY THAT IS BELT DRIVEN
- 50 # FOR NON INTERCOOLED
F1C - 3250 #
YSI - 3250 #
T-76 3100 # NO REDUCERS
T-80 3200 # NO REDUCERS
N/A Inline head – 2650 on M/T TIRE PART # 3754R ONLY
N/A Non-Inline head – 2750 on M/T TIRE PART # 3754R ONLY
N/A (big block with standard deck height and conventional head) 2950 lbs on M/T TIRE PART # 3754R ONLY
N/A (big block with tall deck height and conventional head) 3000 lbs on M/T TIRE PART # 3754R ONLY
N/A (big block with standard height and big chief head) 3050 lbs on M/T TIRE PART # 3754R ONLY
N/A (big block with tall deck height and big chief head) 3100 lbs over 589 add 100lbs on M/T TIRE PART # 3754R ONLY
ALL COMBOS MUST RUN ON 3754R TIRES ONLY
Any OEM style automatic or OEM manual transmission is allowed. Manual transmissions must utilize an SFI approved bell housing.
Stock type rear suspension only. Coil over shocks are allowed. Aftermarket replacement control arms are allowed.
BOLT IN SUSPENSION ALLOWED
M/T TIRE PART # 3754R ONLY
N/A SB 2700 lbs
Base weight - 3200 lbs
All heads 14.9 and under - 3250 lbs
Any canted valve head - 3250 lbs
All heads 15 degrees and above carry no additional weight
STANDARD 23 degree combo - 3000 lbs
Any 23 RAISED RUNNER or Equivalent– 3150 lbs
BLUE THUNDER HEADS - 3250 lbs
STANDARD 20 degree ford - 3000 lbs
ANY 20 DEGREE SR20-FT1 OR T1RI OR EQUIVALENT -3150 lbs
C3 OLD STYLE YATES,C302,C302B - 3100
`NO BILLET CYLINDER HEADS
Leaf springs -100#
V-6 -200 #
4150 CARB – 50LBS