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Old 04-02-2014, 07:58 PM   #1
holcombford
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Join Date: Oct 2008
Location: wilmington,nc
Posts: 1,640
holcombford is actually making some sense.holcombford is actually making some sense.
Ultimate Converter Concepts Street Race 2500.00 to win @ Civil Wars

Ultimate Converter Concepts Street Race

2500.00 To Win

Rockingham Dragway/Rockingham,NC

May 2-4



Rules


Street Race / SR275
1/8th mile eliminator baseSd on John Sears' Ultra Street rules. Rules are subject to change if John's rules change.
What's the difference between Street race and Ultra Street?
- Power adders cars may use any 275/60-15 radial tire.
- Entire body section different. Decals and lettering permitted.
- No nitrous or boosted small block combo permitted over 440ci.
- V6 - I4 - I6 entries deduct 100lbs instead of 200lbs.
- No deduct for N/A using M/T 3754R tire
- 80mm cast wheel and 76mm billet turbos run 50lbs less.
- 76mm cast wheel turbos run 100lbs less.
- D1, V-7 JT Trim, NOVI 2000, Kenny Bell 3.6 – 3050
- Blower weights reduced 50lbs
- Any 20 degree raised intake runner SR20 –FT1 or T1RI or equivalent – 3100 instead of 3150
- Any raised intake runner 23 degree combo – 3100 instead of 3150


BODY:
- Must have working headlights, tail lights, stock appearing interior, carpet, door panels, factory style dash, stock floor pans and stock firewall. Firewall may be notched or smoothed as long as it remains intact and in the stock location.
- Fiberglass/Carbon body panels are limited to hood, rear deck lid, fenders, doors, and bumpers. Must be neat in appearance and not change the basic vehicle dimensions.
- Lexan windows permitted. Must be neat in appearance.
- Hood height limited to maximum 8" tall measured from the tallest part of the hood to base of the windshield (measured with a level sitting on the tallest part of the hood).
- Forward facing air inlet feeding induction on any combo add 50lbs.
- Must measure within 1" of factory wheelbase, body may not be moved from stock location
- All vehicles must maintain a minimum ride height of at least 2.5" while at rest and at race weight. No part my hang down lower that 2.5" off the ground including exhaust.
- No part of the car may protrude more than 45" forward of the front spindle centerline.

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

ELECTRICAL:
Optical devices are prohibited. All entries must have operational head lights and tail lights.

ENGINE:
Aftermarket 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 588. Any engine in question will be measured with a P&G gauge. A P&G 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.

INDUCTION:
Small blocks, Mopar -BOP, and BB N/A combinations may use a "Commercially available/mass produced 4150 or 4500 series cast intake only" - includes Holley LS EFI ram intake. 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 w/ additional weight. (See*below)

POWER ADDERS:
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. Foggers must be disconnected and all solenoids must be capped off. Nitrous plates using fogger nozzles are not allowed.

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)
** NOTE: SB Chevy 23 degree Raised Runner – SB Ford 20 degree (SR20 –FT1 or T1RI or equivalent) not permitted with boosted combo

FUEL:
Pump gas, E85, M1, Q16, and C12/16/23/45 racing fuel.

TRANSMISSION:
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.

REAR SUSPENSION:
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/ additional weight (see below)

FRONT SUSPENSION:
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.

WHEELS/TIRES:
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 any 275/60-15 radial tire.
Wheel width is limited to 12"

NITROUS WEIGHTS:
AMC - 3100
Base NOS SB weight – 3200
Mopar BB conventional B1 head/BOP combo - 3350
All heads 14.9 and under - 3250
Any canted valve head - 3250
All heads 15 degrees and above carry no additional weight
Any non-raised runner 23 degree combo – 3000
Any raised intake runner 23 degree combo - 3100
Blue Thunder Cylinder Heads 3.6 - 3175
C3/C302B/C302/Yates style -3100
Any 20 degree ford – 3000
Any 20 degree raised intake runner SR20 –FT1 or T1RI or equivalent - 3100
TFS-R Ford - 3050

SUPERCHARGER WEIGHTS:
D1, V-7 JT Trim, NOVI 2000, Kenny Bell 3.6 - 3050
F1A & V-4 J Trim - 3100
F1C & YSI – 3150
4.0L - NHRA SS COPO - 3350 (must have run NHRA SS to be legal)

TURBO WEIGHTS:
T-76 – 3050 (cast wheel)
T-80 - 3200

N/A WEIGHTS:
N/A Inline head – 2650
N/A Non-Inline head – 2750
N/A Buick/Olds/Pontiac - 2975
N/A (big block with 9.8 standard deck height and conventional head) 3000 lbs. (add 2.5 lbs per cu in over 589)
N/A (big block Ford with standard deck height and conventional head) 3000 lbs. over 589 add 100 lbs.
N/A (big block with tall deck height and conventional head) 3050 lbs. over 589 add 100 lbs.
N/A (big block with 9.8 standard height and big chief head) 3100 lbs. (add 2.5 lbs per cu in over 589)
N/A (big block with tall deck height and big chief head) 3125 lbs. over 589 add 100lbs.
N/A (big block Ford with standard deck height and non conventional head) 3125 lbs. over 589 add 100 lbs.

GENERAL:
- No Billet cylinder heads/blocks
- No Billet wheels on 80mm turbo combo (add 100lbs for 76 w/billet wheel)
- 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 (GT47-76/S400/GT47-80/S480 w/cast wheel - GT47/S400-76 w/billet wheel)
- Cast compressor inducer cannot exceed 80.7 mm and the compressor exducer cannot exceed 116 mm
- 80.7/76.5 mm compressor wheels must be "as-cast" (billet permitted on 76 mm with weight penalty)
- Turbine wheel must not exceed 96.2 mm x 88.3 mm
- All turbochargers 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 LS 15* and GEN III Hemi SBM add 50 lbs
- Non Intercooled boosted combos deduct 50 lbs (no deduct if on Alcohol for fuel)
- Leaf springs deduct 50 lbs.
- 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
- Ram style or billet intake on mod motor permitted add 50 lbs
- Single 4150 carb/throttle body deduct 50lbs (N/A or NOS only)
- V6 - I4 - I6 entries deduct 100 lbs.
- 8.2 deck nitrous combo deduct 100 lbs.
- Single bar plate deduct 50 lbs.
- Water injection permitted add 25 lbs. (NOS only)
- COPO permitted aluminum block
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