Inline Sales Pro Street Rules
Inline Sales Pro Street is a heads-up 1/8th mile class for all types of vehicles. Cars may utilize full tube chassis or back half chassis. There are no restrictions on front or rear suspensions other than NHRA requirements. Legal combinations include the use of nitrous oxide, supercharger, turbocharger and naturally aspirated.
ANY CHASSIS PERMITTED
WHEELIE BARS PERMITTED
ANY TRANSMISSION PERMITTED
DUAL POWER ADDERS (PROHIBITED)
RACE FUEL, PUMP GAS, DIESEL or METHANOL ONLY (NO NITRO)
TIRES:
REAR TIRES: Bias-Ply 33×10.5w (Max 105 Roll-out) or any smaller bias-ply and 315/60R15 Radial tire or any radial tire shorter and/or narrower than 315/60R15
315/60R15 Drag Radial 50lb weight penalty
275/60R15 and Smaller Radial No weight penalty
WEIGHTS:
NATURALLY ASPIRATED
– Small Block N/A No minimum weight.
– Big Block N/A 4.840” & 4.900” bore spacing No minimum weight
– Big Block N/A 5.00” bore spacing No minimum weight
– Big Block N/A over 5.00” bore spacing No minimum weight
– Lock up permitted
NITROUS
– Maximum engine size on all Nitrous engines is 1000ci.
– Small Block with stock bore space No minimum weight.
– Small Block with non-stock bore space No minimum weight
– Big Block 4.840” & 4.900” bore space No minimum weight.
– Big Block 5.00” bore space 2400 lbs
– Big Block 5.200” bore space 2500 lbs.
– Big Block 5.300” bore space up to 910” 2600 lbs.
-Big Block 5.300” bore space 911” and bigger.. 2650 lbs.
-Lock up permitted ADD 50 lbs.
TURBO
– Maximum engine size on all Turbo Charged engines is 670ci
– Maximum Turbo size 94 mm on all SB Twin Turbo combinations.
– Use of Turbo reducers, exducers or inducers is prohibited (or anything that may affect the original turbo design or performance intent).
– Alcohol permitted on non-intercooled cars only.
– Small Block single turbo 2450 lbs.
– Small Block twin turbo 88 mm and smaller 2500 lbs.
– Small Block twin turbo 91 mm and larger 2600 lbs.
– Small Block twin turbo 94 mm 2650 lbs.
– Big Block single turbo 2650 lbs
– Big Block twin turbo 88 mm and smaller 2850 lbs.
– Big Block twin turbo NO GEN 2 promod 88 xpr’s..
– 4 & 6 cylinder 350ci and smaller, no minimum weight.
– 4 & 6 cylinder 351–499ci will be required to run at Small Block weight.
– 4 & 6 cylinder 500–670ci will be required to run at Big Block weight.
– Turbo combos utilizing Racing Gasoline deduct 100 lbs.
– Turbo Charged SB Utilizing stock bore space cast block with conventional OEM valve angle +/- 3* (NON HEMI, NON SYMETRICAL PORT, NON RAISED RUNNERS) cast heads deduct 200lbs.
– Turbo Charged BB less than 550ci utilizing a stock bore space cast block with conventional OEM valve angle +/- 3* (NON HEMI, NON SYMETRICAL PORT, NON RAISED RUNNERS) cast heads deduct 200lbs.
– Any Turbo Charged combination utilizing Big Block with bore spacing larger than 5.00 add 100 lbs.
– Any Turbo Charged combination utilizing Small Block with non-stock bore space add 100 lbs.
-Alcohol and intercooler permitted on 4 & 6 cylinders cars only.
-Lock up NOT permitted
-NO GEN 2 promod 88 xpr’s..
SUPERCHARGER
– Alcohol permitted on non-intercooled cars only
– Centrifugal Superchargers Small Block 2450 lbs F3X-140 add 100 lbs
– Centrifugal Superchargers Big Block 2650 lbs F3X-140 add 100lbs
– Twin Centrifugal Supercharger Small Block 2650 lbs
– Twin Centrifugal Supercharger Big Block 2950 lbs
– Roots Supercharger Small Block 2450 lbs
– Roots Supercharger Big Block 2650 lbs
– Roots Supercharger Big Block 6-71 2350 lbs
– Screw Supercharger max engine size 540ci, maximum overdrive 60% Whipple R980 & A980 2950 lbs
-Screw Supercharger “B” rotor 2500 lbs
– Screw Supercharger max engine size 540ci, maximum overdrive 122% “C” rotor 2950 lbs
– Screw Supercharger max engine size 540ci, maximum overdrive 125% “D” rotor 2800 lbs
– Blower combos utilizing Racing Gasoline deduct 100 lbs
– Supercharged SB utilizing stock bore space cast block with conventional OEM valve angle +/- 3* (NON HEMI, NON SYMETRICAL PORT, NON RAISED RUNNER) cast heads deduct 200lbs.
– Supercharged BB less than 550ci utilizing a stock bore space cast block with conventional OEM valve angle +/- 3* (NON HEMI, NON SYMETRICAL PORT, NON RAISED RUNNER) cast heads deduct 200lbs.
-Any Supercharged combination utilizing Big Block with bore spacing larger than 5.00” add 100 lbs
– Any Supercharged combination utilizing Small Block with non-stock bore space add 100 lbs
– Lock up NOT permitted
RACE DAY POLICY’S
FIELD SIZE AND LADDER:
WC Pro Street will run on the 1/8th mile .400 Pro Tree and qualify for a 16-car field (with Alternates) 16-car Pro Ladder. If less than 16 cars enter, we will follow the NHRA “Official Ladder” for the field size. Auto-Start is ON
TOW BACK & TOW VEHICLES:
All WC Pro Street entries can tow to staging lanes and to the track scales with a golf cart or other similar small tow vehicle. All carts will be subject to search by a MRP Official at any time.
SCALES:
After each qualifying and elimination pass, all WC Pro Street cars must stop and weigh at the track scales. If you lose in eliminations, and your opponent fails to make weight you will be reinstated into the eliminations only if you made minimum weight requirements. If both cars fail to make minimum weight, both cars will be disqualified. It is the driver’s responsibility to verify with each track scale, the weight of his/her car prior to each race day. There will be a 5lb error factor allowed.
ALTERNATING LANES DURING QUALIFYING:
Each WC Pro Street driver must alternate lanes during qualifying. If you choose to ignore this rule, your second consecutive pass in the same lane on the same day will be disqualified.
AUTO-START:
The Auto-Start System will be turned on with a 7-sec timeout
BYE-RUNS:
All vehicles must take the Tree & Scale for opportunity at Lane-Choice for next round
RULE CONTESTING:
If you think your competitor is not legal within the rules/weights claimed you may contest for $500 if the Competitor is found to be illegal they will be DQ’d and your $500 will be returned. If they are legal they will Receive the $500 Contest Fee.
If you have questions pertaining to WC Pro Street Rules please email [email protected]