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Maine Racing Alliance late
Model Rules:
In Affect for Speedway 95,
Wiscasset Raceway, & Spud Speedway
BODIES: Bodies must be stock appearing,
template type, and made of fiberglass,
aluminum or steel. No altering of bodies.
Windshields must be of 1/8 lexan
windshields must be securely mounted. Full
rear windshield required and braced to
prevent collapsing. No side windows attached
to A or B post. Only drivers vents allowed
in this area. Min ground clearance for all
body parts is 3 min roof height is 46 5X60
spoiler maximum. Max height from ground to
top of spoiler is 38 ABC body is 40 to top
of spoiler. Spoilers can not extend past
bumper cover. No roof or window runners. No
side boxing of spoiler.
Clarification on 12/31/09 No down force
bodies
FRAMES: Frames may be fabricated with 2X3
or larger square steel tubing. Rear clip
must be square tubing. 3 min ground
clearance to lowest point with driver in
car.
WEIGHT: Minimum weight 2900 lbs with
driver AFTER race. Maximum left side
weight is 56% no allowance after race.GM
crate motor #88958603 & #24502609, Ford
crate motor #M60075347JR- 100 lbs weight
break. All crate motors must be dyno and
sealed with race track seals through Butler
& Mac Masters in order to receive weight
break. No exceptions!
NOTE: GM crate motor #88958604 NOT
ALLOWED!
Full Front stock clip must have stock
steering box, stock type lower control arms.
Front of spring pockets may be 2X3 square
tubing 50 lbs weight break.
SUSPENSION: No air/nitrogen adjustable
shock absorbers. Any safety hub or heavy
duty hub is mandatory on right front,
optional on left front. Lower and upper
A-frames may be tubular. Any sway bar
allowed. Any Brake system allowed. No
recirculators. Any rack and pinion steering
system is allowed. Brakes must be working
all four corners. Koni shocks ONLY.Models
are KON30-7436, KON30-9325, KON30-7325 and
KON30-9436. No changing or altering valving
eligible shock numbers. Track tech has
right to replace, swap or buy shocks at any
time, official has the right to purchase
shock for $150.00. No painting shocks. No
bump stops on shock or frame. Illegal
tampering of shocks will result in
disqualification and loss of all points for
the season to date.
Clarification on 12/31/09 No traction
control devices of any kind
Clarification on 3/24/10 Add Koni shock
#30-1309 to available shocks
Clarification on 3/24/10 No suspension
travel limiting devices allowed unless
specifically outlined in the rule book.
Examples inculed but not limited to: No
bumpstops, coil binding, chains, or shock
mounting location.
(Cars will be inspected using one and one
half inch (1½) ramps and nose
of body must hit ground when pushed down
by three crewmembers or will be considered
illegal)
WHEELS: Steel racing wheels limited to 8
maximum width. Maximum tread width allowable
is 66 ½. Minimum wheel base is 104.
TIRES: Track tires only (American Racer
9 EC84 left and EC85 right). Tires must be
purchased from the authorized track
representative. No tire softener allowed. If
caught with tire softener will lose all
points for season to date. The track has the
right to make stiffer penalty if they deem
necessary. Once Tires leave the truck
ABSOLUTLY NO RETURNS. Spud Speedway
limits tire purchases to one per week. Two
tires maybe purchased every fourth week car
is raced. Tires will be branded with
numbers. Six numbers will be kept in the
cars tire inventory. Four numbers will have
to be on the car at the end of the race
event or automatic disqualification will
occur. Special event races will be exempt
from this rule (example Spud 150 or a 100
lap open event)
ENGINES: V-8: GM 305, 350 Ford 302, 351W
Chrysler 318, 360. Engines may be bored
.060 Oversize. Maximum compression ration
11.0:1. Solid or hydraulic cam, maximum.
Engine must be centered plus or minus
1/2".Maximum intake 194. 1.6. World Product
Jr. allowed. GM bowtie head # 25534371 and
Ford SVO cylinder head # m-6049-n352 and
Ford cylinder head # M-6049-n351 will not be
allowed. No porting or polishing allowed.
Roller rockers allowed. Stock steel intake
manifold or Edelbrock tm Performer Chevrolet
2101, 2104 or 2116, Ford 2181 or Dodge 2176.
Stock steel crank. Steel flywheel. Stock fly
wheel minimum weight is 15 lbs 50 lbs.weight
break. Engine setback limited to #1 spark
plug in line with ball joint centerline. NO
STROKERS. Minimum distance from center of
crankshaft to ground 10 inches. No dry
sump systems, any wet type. Oil pump must be
in pan. GM Bowtie angle plug heads allowed
2.02 intake. No carbon fiber or titanium
parts allowed. No offset engines,
transmission, or rear end.
Clarificaton on 12/31/09 No roller cams
or aluminum heads in built motors, Any steel
straight plug max intake 1.94, All crate
engines must be seals at Butler & MacMasters
FUEL SYSTEM: Holley 4412 only. Stock fuel
pumps. No electric fuel pumps. Carburetors
bores must pass examination with track tech
tool at top and bottom checkpoints. 1
spacers allowed. No tapered spacer.
EXHAUST: Any header allowed. Racing
mufflers mandatory. No hallowed out
mufflers. Exhaust is recommended to exit
under car.
DISTRIBUTOR: Stock distributor. High
output coil may be used. MSD allowed.
CLUTCH: Minimum 7 Ό racing clutch. An
inspection hole of at least 1 in diameter
must be drilled in the bell housing to allow
inspection of clutch and flywheel.
TRANSMISSION:
Clarification on 3/24/10 Any OEM three or
four speed transmission allowed. The only
aftermarket transmission is the Richmond OEM
type T-10 casting four speed transmission
allowed. Must have two forward gears with
reverse working. High gear must be 1 to 1.
No other forward gear can be any higher than
1.23 to 1 No Jerichos, Rankin's or
automatics allowed.
REAR ENDS: Rear ends may be locked.
Maximum gear ratio allowed is (Spud 5:57:1 -
5:58:1) (Wiscassett & Speedway 95 is
5:43:1) and above will be disqualified. Rear
end safety hubs recommended. Any rear end
allowed. No cambered tubes.
IF IT IS NOT COFVERED IN THESE RULES AND
IT COST MORE THAN $300.00 YOU MUST HAVE IT
O.K.d FIRST.
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