E-MOD RULES
1. All IMCA Building Rules will apply on body and
chassis with the following Exceptions 3-link or Leaf spring rear
suspensions only no 4 Link, Zlink . Spoilers are to
be 8 inch 10 inch side plates. 2450 min weight after the race with
driver
2. ENGINE AND DRIVE TRAIN
Engine must be stock production. Factory blocks only. GM to GM, Ford
to Ford, Dodge to Dodge. Flat top or dished cast pistons, NO
domes. No bowtie or aluminum blocks. Casting numbers must be
readable by tech official. No 400 blocks. Maximum cubic inch
displacement to include clearance and wear is 360 for GM, 363 for
Ford, and 370 for Mopar. All others must not exceed 370 CID. NO
STROKING OR DE-STROKING.
3. INTAKES: Must have stock cast iron intake, two or
four barrel. No bowtie intakes. No porting of the heads or gasket
matching of intake or heads. Intake may NOT be reworked under the
carb. area. No aluminum heads, no angle plug heads excluding Ford
and Dodge. No double hump, or vortec heads for GM. NO aftermarket
heads. Valves must not exceed IN 1.940 / EX 1.500 all manufacturers.
4. CARBURETORS: Can be no longer than a Holly #4412
500 CFM 2 barrel and must pass inspection from top side with gauge.
Bottom of carb can be no longer than 1 11/16 in diameter. (MUST BE
STOCK VENTURA 1-3/8) May run Rochester 500 CFM 2 barrel. (Subject
to be pulled off and checked) Factory OEM style distributors. (GM =
HEI) NO MSD distributors, NO remote coils on GM distributors NO
Aftermarket performance parts in dist. allowed. NO onboard
electronic devices capable of storing information allowed with the
exception of recall Tachometers. NO aftermarket electronic
amplifying devices allowed. NO performance modules. Hydraulic
camshafts and lifters only, stock rocker arms or roller tip rocker
arms allowed 1.5Rockers on GM. Cam must be 480lift at the valve. (NO
EXCEPTIONS) No flat tappet cams or mushroom cams. No roller
hydraulic cams. There will be a $500.00 dollar claim exchange rule
on engine. Long block only. No racing fuel pumps. Or aluminum water
pumps. Pump gas only no alcohol or racing fuel. ANY MANUAL
TRANSMISSION MUST HAVE 180 DEGREE EXPLOSION PROOF STEEL BELL HOUSING
OR EXPLOSION PROOF BLANKET.
5. TRANSMISSIONS: Factory stock automatics or standard
transmissions. Must have working clutch. Must use factory stock 10
minimum diameter clutch and pressure plate. Stock steel OEM
flywheels only. No Z-28 flywheels. (NO EXCEPTIONS) Stock
type 10 or larger factory torque converters required on all
automatics, temperature reading will be taken to ensure torque
converter is not a dummy. Driver must be able to put car in gear
from park/neutral and move forward and reverse at time of
inspection.
6. TIRES, WHEELS, SUSPENSION
Any asphalt pull offs only, must durometer 55 or greater. Grooving
and siping is allowed
Steel racing wheels only. Maximum width is 10. Right rear bead lock
recommended. 5/8 thread studs and 1 lug nuts MANDATORY. No Aluminum
shocks shocks will have a $60.00 dollar claim on them.
IF YOU HAVE QUESTIONS, JUST ASK .THIS CLASS IS
INTENDED TO BE AN ECONOMY CLASS.
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