2019 PDRA Outlaw 10.5 Rules

2019 Outlaw 10.5 – 1/8th mile racing, 16 car qualified field provided there is 14+ cars, Pro Ladder

1. 400 Pro Tree, Heads up Racing

2. Engine: Single Power Adders ONLY

A. Naturally Aspirated- NO SIZE LIMIT & NO MINIMUM WEIGHT
B. Nitrous
- Small Block stock bore spacing NO MINIMUM WEIGHT
- Small Block non-stock bore spacing 2150lbs(deduct 100lbs for less than 550 CI)
- Big Block 4.84 & 4.90 bore spacing 2150lbs(deduct 100lbs for less than 550CI)
- Big Block 5.00 bore spacing 2250lbs, 5.200 bore space 2450lbs
- Big Block 5.30 bore spacing 2575lbs, Max Engine Size 1,000 CID
- Big Block 5.300 bore space less than 911CI deduct 50lbs
C. Turbo Charged & Super Charged
- Single Turbo Small Block 2500lbs, Big Block 2700lbs
- Twin Turbo 91mm-94mm Small Block 2650lbs, Big Blocks 3075lbs
- Twin Turbo 88mm & smaller small block 2550lbs, Big Blocks 3025lbs
- Centrifugal Superchargers Small Block 2500lbs, Big Block 2750lbs. F-3X-140 add 100lbs
- Twin Centrifugal Superchargers Small Block 2700lbs, Big Block 3100lbs
- Roots Supercharger Small Block 2500lbs, Big Block 2700lbs
- Screw Supercharger maximum engine size 540CI, maximum overdrive 122% “C” rotor 3100lbs,
maximum overdrive 125% “D” rotor 2950lbs
- Turbo Charged Big Block less than 550ci utilizing a stock bore space block with conventional OEM valve angle +/- 3*
(NON HEMI, NON SYMETRICAL PORT) heads deduct 200lbs
- 4 & 6 cylinder alcohol & intercooler permitted. 350ci and smaller no minimum weight, 351-499ci will be required to run at small block weights, 500-670ci will be required to run at big block weights
- Maximum engine size on all turbo charged entries is 670CI
- Any turbo charged or supercharged combination utilizing a big block with bore spacing larger than 5.00 & non-stock bore space small blocks add 100 lbs to above weights
Rev. 2/18/2019

3. Any engine combination with cast heads deduct 50lbs & cast blocks deduct 50lbs.

4. ON ALL CARS, Non lockup torque convertors deduct 100lbs. For NON LOCKUP torque convertors the Manipulation of Transmission or torque convertor pressure or volume other than at the starting line is prohibited. Pressure manipulation control must be disarmed/disabled upon release of trans brake or any other device used to launch the vehicle.

5. Mufflers mandatory, inserts are not considered mufflers, turbo charged entries DO NOT NEED MUFFLERS. Zoomies permitted.

6. Factory front frame rails as described herein deduct 50lbs. Front frame to be original OEM & must be fully intact from the firewall to 4” forward of the front spindle. Minor notching of front frame allowed. Any notching of OEM front frame must be approved prior to being performed. Major notching of front frame as determined by race director add 25lbs. Factory front frame if used must be connected to k-member or lower suspension component by either welding or bolting and be a structural part of the front suspension as determined by the race director. Double round tube frame rails from firewall forward ADD 50lbs. If utilizing 1990 or older factory a-arms deduct 100 lbs.

7. All entries must have been a factory production type vehicle. Must be street appearing & working lights. One piece front ends permitted provided it retains stock appearance and OEM width dimensions at the wheel openings. Fiberglass/carbon fiber body parts are limited to hood, fenders, doors, deck lid, roof skin, quarter panels & bumpers unless car is composite from factory. All other body parts must be made of original factory material. Any changes or alterations in body lines including front ends, MUST BE APPROVED prior to modification. UNAPPROVED body modifications that may have a performance advantage at race director’s sole discretion will be subject to a 25lb weight penalty per infraction. All bodies must retain OEM width dimensions at wheel openings. Front door jams must be in stock location. Front to rear door opening must be factory dimension. FULL AFTERMARKET COMPOSITE, Pro Mod and Pro Stock bodies are NOT PERMITTED.

8. Alcohol permitted on non-intercooled cars only, alcohol and intercooler permitted on 4 & 6 cylinder cars. Forced Induction cars utilizing racing gas deduct 200lbs. Nitro-methane prohibited.

9. NHRA Pro ladder and safety tech.

10. Deep staging allowed, but starter will not wait for racer to get deep. Auto-start will be on at ALL times. Once both vehicles are pre-staged either side stage light will activate a 7 second auto-start. Once your competitor stages you will have 7 seconds to stage. If you fail to stage within that time the tree will automatically activate and you will be disqualified. Disqualifications will be based on a first or worse basis in accordance with the NHRA rule book. Controversial decisions not covered by the NHRA rule book will be determined by the race director.
Rev. 2/18/2019

11. Head & Neck restraint MANDATORY.

12. Lower engine containment device MANDATORY.

13. Maximum front overhang 45” measured from the centerline of the front spindles.

14. NHRA chassis certification mandatory.

15. 33x10.5w bias, 275 & 315 pro radial permitted (Bias tire deduct 150lbs)

16. Nostalgia Bodies with factory front end dimensions deduct 75lbs. Examples of nostalgia body are: Chevy II, Nova, Chevelle, General Motors G body style cars, 1st & 2nd Gen Camaro & Firebird, Barracuda, 1986 & Older Mustang etc. Please contact race director to see if a certain body is considered nostalgia.

17. Wheelbase must be within 2” of factory dimension. Maximum front end stagger of 2”. Wheelbase will be measured from centerline of front spindles to centerline of rear axle. Any vehicle that is over the 2" tolerance but less than 4" ADD 25lbs. Any vehicle that measures more than 4" from factory will not be allowed to compete.

18. Firewall must be within 2” of stock location. Engine must remain in front of firewall. Firewall cannot be modified for engine placement. Firewall will be measured from front spindles to any point from cowl to bottom of firewall and from outside of factory frame rail to outside of factory frame rail. Modifications (i.e. Sloping, slanting, etc) outside of the factory frame rails permitted. Any vehicle that is over the 2" tolerance but less than 4" ADD 25lbs. Any vehicle that measures more than 4" from factory will not be allowed to compete.

19. Air bottles on N/A, Supercharged and Turbo Charged vehicles are to be filled with CO2 only. The use of nitrous oxide in place of CO2 is PROHIBITED.

20. All fuels used are to be unmodified fuel as produced by the original manufacturer and must be commercially available. The use of fuel additives is PROHIBITED. All entries are subject to fuel check at any time.

21. The use of specially produced “one off” parts that are not commercially available and are deemed, by race director, to have a performance advantage is PROHIBITED.

22. RULES ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE IN ORDER TO KEEP PARITY IN THE CLASS
Rev. 2/18/2019

Weight Adders/Deductions:
+100lbs Forced Induction BB with larger than 5” BS & Non-Stock BS Small Blocks
+50lbs - Double framerail forward of firewall
+25lbs - UNAPPROVED body modifications
+25lbs - Over 2” wheelbase tolerance but less than 4”
+25lbs - Firewall moved over 2” from factory but less than 4”
- 200lbs - Forced Induction cars utilizing racing gas only.
-200lbs – Turbo BB with Conventional heads (+/- 3*, Non Hemi, Non Sym port)
-150lbs - Bias Ply Tire
-100lbs - Non Lock up Torque Convertor
- 100lbs - utilizing 1990 or older factory a-arms.
-75lbs – Nostalgia Body with factory dimesion front end (see rule #14)
-50lbs - Frame Rail intact and functional in car


*** Any questions on rule implementation or specific measurements/weight breaks must be directed to and approved by Dave O’Donnell prior to competition.
Dave can be reached at cecilcounty84@gmail.com


- BE SURE TO ALSO VIEW OUR "OVERALL / GENERAL SERIES RULES"