and MSD-6 ignition are managed by an Edelbrock timing computer with integral sensor-timing retard and adjustable rev limiter.
For both reliability and fifth-gear bonuses, the original transmission was replaced by a Tremec 3550, a stout 5-speed that has been strengthened even more for turbo duty with internal modifications by Forte Performance. A Hays flywheel with Centerforce Dual Friction clutch and pressure plate sends the power rearward, finally ending up at the ’74 big-block differential with 3.08 gears and Muskegon cover.
For strength and durability, John added gussets to the frame and welded all of the frame seals. The control arm supports and shock towers are gusseted as well. Suspension modifications include Herb Adams control arm sleeve bearings and trailing arm spherical bearings, Rancho State II adjustable sway bars,