ALL MOTOR SPORT (Oregon and Washington only)

*For questions about rules, contact IFO directly: 

*Due to lack of entries, there will only be an AMS class at select  regional events after 2016 (Woodburn, OR and Kent, WA). There will be an  11.5 index class at events where there is no AMS class.

PAYOUTS - $300 - Must have 4 qualifiers for full payout. Less than four  qualifiers will receive half the normal payout. Qualifiers must be  capable of running 14.99 and faster.

Winner - $200 ($300 if 8 or more qualifiers) *updated 12/21/16
R/U - $100
*trophy payout only if 2 or fewer entries

Heads-Up, Pro-tree (.400) class for naturally aspirated, street driven,  oem frame import brand/sport compacts ONLY. Must have full interior,  exhaust, and current tags/registration. Two qualifying passes permitted.

Import or domestic compact car bodies allowed. Current tags and  registration required. One piece front ends prohibited. Bumpers can not  be removed. Tail lights and head lights required (one may be removed for  induction purposes). Non-factory glass/lexan windows prohibited.  *Updated 1/26/16

Doors must open and close from inside and outside the vehicle. No center  drive configurations. All seats (front and back), door panels, dash,  and carpet (front and back) must remain inside vehicle.

Vehicles must have functional doors. All vehicles must retain factory  chassis. Vehicles must maintain stock drive configuration. Wheelie bars  and aftermarket straight axles prohibited.

Import vehicles may run 4 & 6 cylinder motors, as well as rotory  motors. Domestic manufactured vehicles are limited to FWD, 4 cylinder  engines. Out of manufacture engine swaps permitted. 8 cyl Import  manufacturer motors allowed to run in original body configuration only  (v8 swaps prohibited). *updated 5/6/14

No power adders allowed. Power adders include turbochargers,  superchargers, and nitrous oxide systems. All nitrous components  prohibited even if bottle is not present.

FWD, AWD, or RWD allowed. Stock driveline configuration must remain. Any transmission allowed. *Updated 10/22/18

Open exhaust prohibited. Must run DOT approved muffler. Exhaust (gases)  must exit behind rear axle. Excessively loud exhaust prohibited  (determined at IFO tech's discretion).

Open exhaust/header prohibited. Excessively loud exhaust prohibited  (determined at IFO tech's discretion). Exhaust (gases) must exit behind  rear axle on all vehicles except where mandated safety equipment and/or  oil containment devices interfere with exhaust piping.

Slicks permitted for FWD only (limit 25.0). DOT approved tires required for AWD and RWD vehicles.

Highly modified, non-factory setup vehicles (determined at IFO staff's  discretion) 11.49 and faster required to have oil containment device  (pan or diaper). Racers lacking oil containment device when required may  still race at IFO staff's discretion with $100 track clean up deposit.  Deposit returned to racer at end of event pending no oil down. Catch pan  should cover entire area below engine/transmission with 2 inch high  lips on all sides. Lips should to be covered or curved inward. If a  competitor spills excessive oil onto the track, he or she may be  disqualified from racing at the discretion of IFO/track staff.

***If someone in your class is not within the rules, immediately ask for  IFO staff to protest. Once your vehicle is staged, you accept all  conditions of the race.

***Contestants may be disqualified from an event or bannedfrom the  series at the discretion of IFO staff for any one of the following  reasons including, but not limited to 1) breaking rules 2) excessive oil  downs 3) playing excessively loud music with explicit lyrics 4) bad  sportsmanship 5) illegitimate protests against opponents who are not  breaking rules 6) verbal abuse of event staff 7) disrespect/personal  attacks towards the IFO series, track host, and/or fellow contestants.