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541 Posts
Discussion Starter #1

(1/8 Mile)

400 Pro Tree Heads Up Racing
Engine: Single Power Adders ONLY
Door cars only
Small Block N/A No minimum weight
Big Block N/A 4.840” & 4.900” bore spacing 2100 lbs
Big Block N/A 5.00” bore spacing 2200 lbs
Big Block N/A over 5.00” bore spacing 2300 lbs

Small Block with stock bore space No minimum weight
Small Block with non-stock bore space 2150 lbs (deduct 100 lbs less then 550ci)
Big Block 4.840” & 4.900” bore space 2250 lbs (deduct 100 lbs if less then 550ci)
Big Block 5.00” bore space 2450 lbs
Big Block 5.200” bore space 2550 lbs
Big Block 5.300” bore space 2600 lbs (Max Engine Size 1000ci)

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 91 mm 2950 lbs
Big Block twin turbo 94 mm 3000 lbs
Turbo Charged Big Block less then 550ci utilizing a stock bore space block deduct 100 lbs
Centrifugal Superchargers Small Block 2450 lbs, Big Block 2650 lbs (deduct 100 lbs for stock bore space less then 550ci)
Twin Centrifugal Supercharger Small Block 2650 lbs, Big Block 2950 lbs (deduct 100 lbs for stock bore space less then 550ci)
Roots Supercharger Small Block 2450 lbs, Big Block 2650 lbs
Screw Supercharger max engine size 540ci, maximum overdrive 122% “C” rotor 2950 lbs, maximum overdrive 125% “D” rotor 2800 lbs
Turbo Charged or Supercharged with conventional heads within 2° of stock valve angle (excludes hemi, 481x, big chief, big duke, etc) deduct 100 lbs
4 & 6 cylinder alcohol & intercooler permitted 350ci and smaller no minimum weight, 351–499ci will be required to run at Small Block weight, 500–670ci will be required to run at Big Block weight
Any Turbo Charged or Supercharged combination utilizing Big Block with bore spacing larger than 5.00” & non-stock bore space Small Block add 100 lbs to above weight
Maximum engine size on all Turbo Charged engines 670ci
Maximum Turbo size 94 mm on all Twin Turbo combinations
Alcohol permitted on non-intercooled cars only, alcohol and intercooler permitted on 4 & 6 cylinder cars. Forced Induction cars utilizing racing gas deduct 100 lbs. Nitro-methane prohibited


NHRA Pro ladder and safety tech
Minimum Ground clearance of 3” from front of nose to 12” behind the front spindle
Towing allowed but you must stop at scales.
All cars must scale following every qualifying and elimination run. Failure to do so will be considered forfeiting the run. If you pass the scales without scaling you forfeit the run. **If you break the beams you need to scale**
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 rulebook. Controversial decisions not covered by the NHRA rule book will be determined by the race director. Courtesy staging is encouraged but not enforced.
All drivers must alternate lanes during qualifying. If you choose to ignore this rule, your second consecutive pass in the same lane will be disqualified.
Any cylinder head is allowed as long as ONLY 1 spark plug per cylinder is functional.
Entries may utilize ONLY 1 distributor or Mag.
Air Bottles on N/A, Supercharged and Turbo Charged entries are to be filled with CO2 only. The use of Nitrous Oxide in place of CO2 is PROHIBITED.
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.
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.
Head & Neck restraint MANDATORY
Lower engine containment device MANDATORY
Maximum front overhang 45” measured from the centerline of the front spindles
NHRA chassis certification MANDATORY
Any bias slick allowed with 33 x 10.5 W or less molded on sidewall by manufacturer (Max 105” Role-out ) (NO RADIAL TIRE ALLOWED)
If your combo does not clearly fit into the current rules – it must be brought to the attention of the Race Director PRIOR to the event so that formal additions to the written rules can be made if need be.
All racers must complete, sign & submit a “Combo/Weight Acknowledgement Sheet” to the Race Director, prior to their first pass, in order to establish and confirm allowable race weight. If at any time it is determined that the submitted information is incorrect – it will be grounds for instant disqualification from the event.


541 Posts
Discussion Starter #5

June 29 th - July 1st
Qualifying Friday & Saturday
Eliminations Sunday

1/8 mile race
OUTLAW 10.5 entry and payout
Based on 16 cars
Canadian $
Entry $250 car & driver
Win - $5000
R/U - $1500
Semis - $600
1/4 - $300
1/8 - $150

541 Posts
Discussion Starter #7
We are excited to announce that one of largest racing tire manufacturer will be one of our major sponsors for Pacific NW Outlaw 10.5 events !
Hoosier Racing Tire has not only became a sponsor for our events, but will also provide Outlaw 10.5 and 275 Radial winners with set of racing tires for each one of our 3 events (Pacific Shootout, Mission Doorwarz and Spokane Les Schwab Summer nationals).
To have a company with it's heritage come on board to sponsor the Pacific NW Outlaw 10.5 events is an honor and we are excited for the upcoming year !


670 Posts
Thanks Paja for all the hard work and making this happen for all of us :cool:

Do wish our track would step up and cover the gate fee and crew like the rest of the tracks though!
Man that would be nice! At least its nice and close for us locals, so the fuel savings offsets the entrance. Another thing that i like about the local american 10.5 races is that they appreciate you making the effort to come out, and want you to be there. You are treated very well, which in my mind is just as nice as having no gate fee lol we always look forward to the races south of the border, great people to race with :)
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