Updated on November 23, 2015

$5,000.00 -WIN
$1,000.00 Runner-up
$300.00 Semi’s
$200.00 1/4

Tech Card $200

Ultimate Street Rules - 2016

1/8th mile Eliminator

Fiberglass/Carbon body panels are limited to hood, rear deck lid, fenders, doors, and bumpers. Cowl hoods may not be taller than half way point of the windshield. Forward facing scoops are prohibited on power adder combos unless factory installed or less than 5 inches from flat area of hood. Inlets for turbochargers and superchargers must not be exposed to ram air and pass a "line of sight inspection" from the front of the vehicle, I.E. they must be blocked off from a source of air this includes closing off factory holes/grills. Factory floor must remain under driver and passenger seat area, fwd of the rear door jamb. All front ends must be of factory dimensions and cannot be lengthened and must meet all NHRA/IHRA height. (See ground clearance note below). Race car lettering limited to windows, side of cowl hoods, side of hood scoops, side of rear wings and front chin spoilers, to maintain street type appearance.

Minimum 3 inches from front of car to 12 inches behind centerline of front axle, 2 inches for remainder of car, except oil pan, oil retention device, and headers.

Aftermarket steering columns are allowed. Factory type dash accepted. Must have carpet.

Optical devices and magneto ignitions are prohibited. All entries must have operational head lights and tail lights.

Aftermarket stock bore space blocks and cylinder heads are allowed. All entries must utilize a single carburetor cast intake manifold (see induction section below). Motor plates and solid mounts are allowed. Engine must be in stock location. Mufflers are required on all vehicles (except turbocharged combos). All SB power adder engines are limited to 440 cubic inches. SB N/A up to 480 cubic inch permitted with added 7 lbs. per cubic inch over 470 and BB N/A limited to 632 and BOP/BB Mopar power adder limited to 540. 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.

Small blocks, Mopar -BOP, and BB N/A combinations may use a "Commercially available/mass produced 4150 or 4500 series cast intake only" No 8500 series throttle bodies or stretched dominators - The Cast Holley LS EFI ram intake is permitted on boosted combos. Small Block N/A may use cast tunnel ram/sheetmetal/dual carbs w/weight penalty (See*below) Mod motor permitted aftermarket ram or billet intake.

Nitrous limited to SB and BOP/Mopar BB entries - Progressive nitrous controllers are allowed. Entries must utilize a single stage nitrous plate with one nitrous, one fuel and one redundant purge solenoid. Cross bar plate on BB Mopar (BOP permitted #6 from bottle to solenoid) entry limited to #4 single line from #4 bottle nut to #4 fitting @ solenoid. BB Mopar/BOP entry permitted single stage, single bar plate with #6 single line from bottle to solenoid. Single 10 or 15lb bottle on with a maximum #6 line size from bottle to solenoid. Foggers must be disconnected and all solenoids must be capped off. Cold Nitrous prohibited. Push systems prohibited. Nitrous plates using fogger nozzles prohibited. Purge line must clearly exit the hood/cowl or body in a fashion to not allow purged nitrous to enter the engine when racing.

Turbocharged (mid frame turbo only see list below) and supercharged (must be unmodified from manufacturer) entries are limited to stock valve angle SB combos only. (SB CHEVY 23 DEGREE - SB FORD 20 DEGREE – 18 DEGREE MOPAR - FACTORY HEADED SMALL BLOCK FORD MOD MOTOR - LS CHEVY 15 DEGREE - GEN III Hemi SBM - TFS-R Head)
** NOTE: SB Chevy 23 degree RR - SB Ford 20 degree (SR20 –FT1 or T1RI or equivalent) not permitted with boosted combo

Pump gas, E85, M1, Q16, and C12/16/23/45 NO2 or equivalent racing fuel. M5 Prohibited

Any OEM style automatic or OEM manual transmission is allowed with power adder. Clutch assisted/clutchless manual transmission allowed on N/A. Manual transmissions must utilize SFI approved bell housing.

Stock type rear suspension or ladder bar only. Coil over shocks are allowed. Anti-roll allowed. Aftermarket replacement control arms are allowed. Stock frame rails must be in factory location, notching permitted. Corvette permitted any type of transverse leaf spring rear suspension. Wheelie bars are prohibited on all cars. Late model GTO permitted torque arm or ladder bar w/ additonal weight (see below)

Factory type front suspension only. Coil over shocks are allowed. Aftermarket replacement control arms are allowed. Aftermarket K-Members/Commercially available sub-Frames allowed. (Must have prior approval from tech) Strut towers must be in factory location with complete factory sheet metal attaching factory frame rail to top of strut tower.

A maximum of a 28 x 10.5 non W slick (N/A small block only), 28 x 12.50 ET Street or any 275 radial may be used on N/A, power adders limited to a P275/60-15 Mickey Thompson Tire P/N 3754R or 3453 ET Street SS radial tire. Bias ply 26 x 8.5 or 235/60-15 drag radial permitted on any combo. Wheel width is limited to 12"

AMC - 3000
Base NOS SB weight – 3100
Mopar BB conventional B1 head/BOP combo - 3250
Any canted valve head - 3150
Any non-raised runner 23 degree combo – 2950
Any raised runner 23 degree combo - 3050
Blue Thunder Cylinder Heads 4.3 - 3200 and 3.6 - 3075
C3/C302B/C302/Yates style -3000
Any 20 degree ford – 3000
Any 20 degree high port SR20 –FT1 or T1RI or equivalent - 3050
TFS-R Ford - 2950

F1A - 91 series - 3050 (-94 series add 100 lbs.)
F1C- 91 series – 3100 (-94 prohibited)
YSI – 3100 (deduct 50 for cast wheel)
4.0L - NHRA SS COPO - 3300 (must have run NHRA SS to be legal)

T-76 - 3200

N/A Inline head – 2650
N/A Non-Inline head – 2750
N/A Buick/Olds/Pontiac - 2925
N/A (big block with 9.8 standard deck height and conventional head) 2950 lbs. (add 2.5 lbs per cu in over 589)
N/A (big block Ford with standard deck height and conventional head) 2950 lbs. over 589 add 100 lbs.
N/A (big block with tall deck height and conventional head) 3000 lbs. over 589 add 100 lbs.
N/A (big block with 9.8 standard height and big chief head) 3025 lbs. (add 2.5 lbs per cu in over 589)
N/A (big block with tall deck height and big chief head) 3050 lbs. over 589 add 100 lbs.
N/A (big block Ford with standard deck height and non conventional head) 3075 lbs. over 589 add 100 lbs.
N/A (big block GM with Symmetrical port/non conventional head) 3075 lbs. over 589 add 100 lbs.
N/A (big block Ford with Pro Stock/Symmetrical type cylinder heads) 3175 lbs. over 589 add 100 lbs

- No Billet cylinder heads/blocks
- No Billet wheels on any turbo combo
- No Reducers on turbo or supercharged combo
- Alcohol/E85 legal (meth injection legal on non-intercooled combo only)
- All turbochargers (mid frame GT47 or S400 chassis only) must be as manufactured from factory with cast wheel(GT47-76/S400)
- Cast compressor inducer cannot exceed 76.6mm and the compressor exducer cannot exceed 116 mm
- 76.5 mm compressor wheels must be "as-cast"
- Turbine wheel must not exceed 96.2 mm x 88.3 mm
- All turbochargers and blowers will have the compressor cover removed for tech inspection
- No muffler required on turbo entry, required on all other combos
- No bull horns - front exit exhaust permitted but must not effect timing equipment
- Gear driven supercharger allowed
- Belt driven supercharger deduct 50 lbs
- Boosted GEN III Hemi SBM add 50 lbs
- Non Intercooled boosted combos deduct 50 lbs on gas (add 100 lbs turbocharged combo on M1)
- Late model GTO permitted ladder bar or torque arm add 50 lbs
- Cast Tunnel Ram/Sheetmetal/Dual Carbs on SB N/A add 50 lbs
- Single 4150 carb/throttle body used with 4150 intake manifold and 4150 plate system deduct 50lbs (N/A or NOS only)
- N/A may deduct 100 lbs if using M/T 3754R or 3453 tire (except Pro Stock type cylinder head)

- N/A BBC and BBF add 25 lbs. for forward facing scoop
- V6 - I4 - I6 entries deduct 200 lbs.
- 8.2 deck nitrous combo deduct 150 lbs.
- Single entry 1 nos/1 fuel or single nos (dry system) plate deduct 50 lbs.
- 4 NOS Jet dry plates add 50 lbs
- 2 NOS Jet dry plate not eligible for single entry plate deduction
- COPO permitted aluminum block
- any NITROUS SMALL BLOCK COMBO 441 to 465 ci add 2 lbs. per cubic inch over 440. Blown/BOOSTED combos NOT permitted over 440 ci (applicable to events outside of Cecil County Dragway to allow cross over into Ultimate)

Accepted Products:
Accepted products deadline for Ultra Street/X275 Motorsports; Requests from manufacturers to have new products considered for addition to the 2015 season should be submitted before December 10, 2015 for the 2016 season. After this date, Ultra Street/X275 Motorsports will not consider manufacturer requests for new products for the 2016 season. Tech director reserves the right to adjust rules at anytime for parity.