Errors and Omissions
#39933 from American Sedan Committee · Rule change · TB 26-04 (2026-04 Fastrack)
In GCR, Section 9.1.6.D.5.b.1, change as follows:
"Full Preparation All cars only:"
In AS Spec Lines, Chevrolet/Pontiac Camaro & Firebird (93-02), change as follows:
Spec Line Engine/Weight (lbs.): "(1992-1997) LT1 5.7L/3200"
Flat Plate Restrictor Size Column: "N/A"
In GCR Section 9.1.6.F., add Build Sheet as follows:
Engine GM LT1 5.7L (1992-97)
OEM engine as manufactured for General Motors 93-97 Camaro
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Engine Block Casting 10125327
Cylinder Head Casting 10128374,12551561, 10207643
Port Volume
Bore 4.040in
Stroke 3.480in
Max Rod Length 5.7”
Valve Size Int.1.940” / Ex.1.60”
Cam Lift .460 Intake / .460 Exhaust
Cam Timing/Duration C/L 117deg Duration @.05 Lift
Deck Height 9.00
Compression Ratio 10.4:1
Rocker Arm Ratio 1.5:1
Intake Part #’S -
Throttle Body Bore 48mm (twin)
Restrictor Plate -
Fuel Injector Part# 17087325, 354119
Headers 1-3/4
In AS Spec Lines, GM Spec Lines (Cadillac, Chevrolet, Pontiac) change Spec Lines Engine/Weight (lbs.) as follows:
"LT1/6.2L/3600"
In GCR, Section 9.1.6.D.1.i. Oiling system, change as follows:
"6. Oil catch tanks are permitted required. All catch cans must be ventilated to the outside. All engine breathers or vapor
recirculation lines, if disconnected, shall vent to a catch tank of one (1) quart minimum capacity. Such catch tanks shall not be
mounted in the driver/passenger compartment."
In AS Spec Lines, Pontiac GTO (04- 06), change Wheelbase (in.)/Tire Column:
"109.8/275"
In AS Spec Lines, Ford Mustang GT 5.0L (15-23), Engine/Weight (lbs.) Column:
"Gen3Coyote/3600 3525"