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Open Stock Continued
1.
No
Aluminum blocks
2. Cast Iron or aluminum intake manifolds allowed.
No tunnel rams or Pro rams Intakes as cast no hand made or
sheet metal intakes.
3.
Ford
Heads.
429/460 family Aftermarket Aluminum Street Head
290 CC Runners
Oval in Oval out or Steel
390
family any Iron Head.
400m
any head.
4. Chevy heads, GM Aftermarket Aluminum Street Head
290 CC Runners
Oval in Oval out or Steel BB
5.
Dodge BB
heads max wedge by Indy 292 cc Runner, Steel or Aluminum
6.
Dodge 360
family any head Cast or Aluminum
7.
No Hemi
heads allowed period.
8.
Production
style heads, 23* valve angle Aluminum or Steel SB
Weight
1. Weight may be added to front of vehicle but not more then 60
from center of front
axle.
Tires
1.
Max 10
rims bead to bead
2.
No
duallies allowed.
3.
Maximum
of 135 wheel base for all 4 wheel drive trucks
4.
Maximum
tire size allowed is 35 x 12.5x 10
5.
Bead
locks ok
6.
Machine Sipeing Allowed
Hitch
1. From the point of hitch to the centerline of rear axle shall be
no less then 29%of the
wheelbase.
2. There must be a 1x 1 x Ό tab welded to center of axle For measuring
hitch
distance.
3. If the pickup bed is to long it must be cut to allow the hitch to be clear
and visible
for hook up.
4.
High
point of hitch cant exceed 26 before, during, or after the pull.
5.
Hitch
must be ridged in all directions
6.
Pivot
point no higher then 3" Above the frame rail.
Miscellaneous
1. Vehicle may jump from one class to another in one event , as long as it meets all specification of both classes and is a paid member of both classes
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