American Sedan Transmission Rule Change Request
#30595 from Justin Hutmacher · Rule change · TB 21-06 (2021-06 Fastrack)
In AS Spec Lines, Chevrolet/Pontiac Camaro & Firebird (93-02) Restricted Prep. 5.7L V-8 LT1 (Iron Block, Aluminum Heads) 2
valves per cylinder 5.7L V-8 LS1 (Aluminum Block, Aluminum Heads) 2 valves per cylinder, change Notes as follows:
"TUET11009 6362"
In AS Spec Lines, Ford Mustang Coupe GT (05-14) Restricted Prep. (Aluminum Block, Aluminum Heads) 4.6L/5spd 3 valves per
cylinder 5.0L/6spd 4 valves per cylinder, change notes as follows:
"TUET11010 TUKT16901"
"The 4.6L/5spd engine assembly has a weight reduction of 300 lbs."