John_Heard wrote:Thanks Todd - we were looking at making some rules tweaks and needed an idea on weight difference between Big Chief and Conv. Port. Looks like Cecil uses 150 lbs.
1/8th mile Eliminator
BODY:
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 turbos and superchargers must not be exposed to ram air
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. Motor plates and solid mounts are allowed. Engine must be in stock location. Mufflers are required on all vehicles (except turbos). All SB power adder engines are limited to 440 cubic inches. SB N/A limited to 470 and BB N/A limited to 632. 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.
INDUCTION:
Small blocks and BB N/A combinations may use a single cast intake manifold with single carb or EFI. Cast tunnel ram permitted on stock valve angle only w/ weight penalty. (See* below) Small Block N/A may use cast tunnel ram/sheetmetal/dual carbs w/weight penalty (See*below)
POWER ADDERS:
Nitrous limited to SB and BOP entries - Progressive nitrous controllers are allowed. 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. Jet limit/solenoid size TBD on stock valve angle with cast tunnel ram & nitrous.
Turbo and supercharged entries are limited to stock valve angle only. (SB CHEVY 23 DEGREE - SB FORD 20 DEGREE – 18 DEGREE MOPAR - FACTORY HEADED SMALL BLOCK FORD MOD MOTOR - LS CHEVY 15 DEGREE)
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 only. Coil over shocks are allowed. Anti-roll allowed. Aftermarket replacement control arms are allowed. Stock frame rails must be in place, notching permitted. (N/A cars/trucks permitted ladder bar suspension without weight penalty)
FRONT SUSPENSION:
Factory type front suspension only. Coil over shocks are allowed. Aftermarket replacement control arms are allowed. Aftermarket K-Members allowed.
WHEELS/TIRES:
A maximum of a 28 x 10.5 non W slick, 28 x 12.50 ET Street or any 275 radial may be used on N/A, power adders limited to a P275/60-15 MickeyThompson Tire P/N 3754R radial tire. Wheel width is limited to 12"
NITROUS WEIGHTS:
Base weight includes BOP combos - 3200
All heads 14.9 and under - 3250
Any canted valve head - 3250
All heads 15 degrees and above carry no additional weight
Any 23 degree combo - 3000
Blue Thunder Cylinder Heads - 3300
Any 20 degree ford – 3000
TFS-R ford - 3100
SUPERCHARGER WEIGHTS:
F1A-3200
F1C - 3250
YSI – 3250
TURBO WEIGHTS:
T-76 - 3150
T-80 - 3200
N/A WEIGHTS:
N/A Inline head – 2600
N/A Non-Inline head – 2700
N/A (big block with standard deck height and conventional head) 2900 lbs
N/A (big block with tall deck height and conventional head) 2950 lbs
N/A (big block with standard height and big chief head) 3000 lbs
N/A (big block with tall deck height and big chief head) 3100 lbs
GENERAL:
No Billet cylinder heads/blocks
No Billet wheels on turbo combo
No Reducers on turbo or supercharged combo
Alcohol/E85 legal (meth injection legal on non-intercooled combo only)
All turbos and superchargers must be as manufactured from factory
No muffler required on turbo entry, required on all other combos
No bull horns
Gear driven supercharger allowed
Belt driven supercharger deduct 50 lbs
LS 15* add 50 lbs
Non Intercooled boosted combos deduct 50 lbs (no deduct if on Alcohol for fuel)
Leaf springs deduct 100lbs
Ladder bar add 50 lbs (except N/A)
*Cast Tunnel Ram with 4150 carbs on stock valve angle head on SB NOS add 100 lbs
*Cast Tunnel Ram/Sheetmetal/Dual Carbs on SB N/A add 50 lbs
Single 4150 carb/throttle body deduct 50lbs
V6 entries deduct 150lb