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KOTS
and Holcomb Civil Wars
presents the all new
Ultimate Converter Concepts Street Race
rules and the all new
Killa
Street budget heads up class.
What's the
difference between Street Race
and the
Ultra Street
class ran up north?
What
you may want to know if you are an Ultra
Street racer coming to run in Street
Race.
* Power
adder combos limited to a
P275/60-15 DOT drag radial tire.
Ultra
limits power adder combos to the
Mickey Thompson 3754R radial
tire.
*
V6 entries deduct 100lb
Ultra has
V6s deducting 200lbs
*
Single 4150 carb deduct
50lbs (N/A or NOS only). 4150
based throttle body not eligible
for deduction.
Ultra
gives the weight break to 4150
based throttle bodies.
* Boosted
LS 15*, TFS-R, TFS TW add 50 lbs
(not permitted raised intake
runner from factory height)
Ultra
doesn't permit TFS-R & TFS TW to
run forced induction or specify
LS must run OEM intake runner
location.
* Non
intercooled boosted combos
deduct 100lbs (no deduct if on
Alcohol for fuel)
Ultra only
give a 50lb break for
non-intercooled.
*
Non intercooled boosted combos
running E85 deduct 50lbs
Ultra does
not give any weight break for
E85 non intercooled.
* Front
mount air to air intercooled
boosted combos deduct 50lbs (no
deduct if on Alcohol for fuel)
Ultra
doesn't give any break for air
to air intercoolers.
* Model
years prior to 1979 or any year
true leaf sprung rear suspension
deduct 50lbs.
Ultra
gives a 100lb break for leaf
sprung vehicles and no break for
pre-1979 bodies.
*
D1, V-7 JT Trim, NOVI 2000,
Kenny Bell 3.6 – 3100
Ultra doesn't give a weight for
these smaller blowers.
*
F1A & V-4 J Trim -3150
Ultra
doesn't include the J-trim in
this weight bracket.
*
GT55-80 and equivalent – 3275
(Any other equivalent turbo must
have prior approval.)
Ultra
doesn’t list a weight for the
GT55-80.
* Blue
Thunder, Edelbrock SC1, SBX and
equivalent cylinder heads – 3300
Ultra only lists the Blue
Thunder head in this category.
* GM LS 15
degree & Ford TFS-R or TFS-TW
with stock intake port location
and height – 3100
Ultra doesn’t include the TFS-R
and TFS-TW in this category and
has standard port location 15*
LS grouped in the 3200lb 15
degree and up category.
*
GM LS 15 degree & Ford TFS-R or
TFS-TW with raised intake port
location – 3200
Ultra
doesn’t include this weight
group, all LS 15* engines run at
3200.
*
C3/C302B/C302/Yates style - 3150
Ultra has these heads at 3100
which is 50lbs less than raised
runner stack valve angle combos.
* Nitrous
plates using fogger nozzles or
multiple adjustable internal
nitrous spray outlets are not
allowed.
Ultra just
states “nitrous plates using
fogger nozzles are not allowed.”
* Nitrous
entries must utilize a single
stage nitrous plate with all
nitrous lines feeding the plate
originating from the same
solenoid or distribution
fitting.
Ultra states “entries must
utilize a single stage nitrous
plate with one nitrous, one fuel
and one redundant purge
solenoid.”
* BB N/A
limited to 640.
Ultra
limits at 632. This allows a 632
to get a clean up if a cylinder
wall is scratched.
* BOP
nitrous engines limited to 470ci
Ultra
allows a nitrous BOP to go
588ci. Ultra also permits a big
block Mopar to run nitrous at
588ci. Street Race does not
permit BBM to use nitrous.
* Hood height limited to maximum
8" tall measured from the
tallest part of the hood to base
of the windshield (measured with
a level sitting on the tallest
part of the hood).
Ultra states “cowl hoods may not
be taller than half way point of
the windshield.”
* Forward
facing air inlet feeding
induction on any combo add
50lbs.
Ultra
doesn't permit forced induction
a forward air source and states
“forward
facing scoops are prohibited on
power adder combos unless
factory installed or less than 5
inches from flat area of hood.”
* Must measure within 1" of
factory wheelbase, body may not
be moved from stock location
* All vehicles must maintain a
minimum ride height of at least
2.5" while at rest and at race
weight. No part my hang down
lower that 2.5" off the ground
including exhaust.
* No part of the car may
protrude more than 45" forward
of the front spindle centerline.
Ultra doesn't include any of the
above 3 body rules.
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