OPEN WHEEL CLASS RULES- 2017

THE INTENT AND INTERPRETATION OF THE RULES WILL BE THE DECISION
OF OFFICIALS IN CHARGE. IT IS STRONGLY RECOMMENDED THAT
ANY COMPETITOR THAT HAS ANY QUESTIONS OR DOUBT ABOUT THE
INTERPRETATION OR INTENT OF THE RULES CHECK WITH SPEEDWAY
OFFICIALS. ALL DECISIONS OF THE OFFICIAL IN CHARGE SHALL BE FINAL.

GENERAL
1. American made frames 105” wheel base minimum.
2. Cars must weigh 2450 pounds after race.
3. Rear of engine must be mounted 72 inches forward from center line
of rear axle. Engine offset within 2” of center of crossmember.
4. NO 2-way radios

ENGINE
1. Steel heads and block only, Aluminum Heads (50 lb. Penalty)
2. One Carburetor, 2 or 4 barrel (may run gas or alcohol)
3 Transmission must have at least two forward and one reverse, plus
a neutral position with engine running. Steel drive shaft only.
4. Shocks - One per wheel. No bump stops on shocks. No canister shock
5. Stock type ball joints.

WHEELS & TIRES
1. Steel wheels - max width 8”

2. TIRES - Track tires
Tires must be purchased from Sayre Speedway dealer and must have
Sayre seal stamped on tire.

3. SOAK RULE NO Soaking or altering of tires in any manner
allowed. Drivers soaking or altering tires will forfeit all purse and
points for event and all points for year. Driver must also pay a
$1,000 fine prior to racing again. Any illegal tire (decision by track
official) will be confiscated.

OPEN WHEEL MODIFIED BODY DIMENSIONS FOR 2017

A. 20 “max 16” min. (ground to center of bumpers, front and rear)
B. 6.5 min. (center to center)
C. 52” max. 42” min.
D. Hood 4” max. drop (sides). sealed off from driver’s compartment and
max. 3” rake.
E. 42” max.
F. 6” max.
G. 4” min.
H. 19” max., must be same on both sides.
I 112” max. 108” min.
J. 27” max 22” min.
K. 72” max. or not past back of block, right side. Left side may extend
forward to cover foot box.
L. 18” max. 12” min. opening, both sides.
M. With level, must have between 1/2” and 2” clearance at rear of roof,
1/2” to 5” at front.
N. 120” max. 106” min.
O. 45” max. 34” min.
P. Spoiler 5”
Q. Interior slope is 6” max. front to rear and flat across. If flat at front
half of interior you have used up 50 % of your 6” so from behind
driver to rear you may only have 3”. Top of interior must be flush
with top of door and quarter panels. An optional escape hatch from
driver to passenger door to provide 12” opening allowed.
R. 38” max 28” min.
S. Max. no wider than front frame horns. Min.
24”
T. 66” max. 24” min. no narrower than radiator.
U. 52” max 44” min.
V. 56” max. 41” min.
W. Tires must be widest part of car.
X. 66” max. 53” min. same front to back
Y. All rear bumpers must be constructed of square or round
tubing, no wider than five inches outside of rear frame rails and
similar to drawing. If rear bumper is wider than five inches outside
rear frame rails, it must be constructed in a loop design.