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Modifications and fabrication
Once all of the engine components were mounted the trial fitting began. The engine and cradle were fitted and it was noted that the crank pulley was touching the frame rail. V-8 Archie’s method of dealing with this was to cut a hole in the inner fender for the crank pulley and water pump. We instead modified the frame rail and moved it away from the engine by several inches. Once we had established that there was enough clearance the frame rail was welded into its new position.
Another variation from the Archie Kit was the placement of the alternator mounting bracket. We fabricated a new mount and moved it down to the lower left side of the engine (the stock position in a Fiero of the AC compressor) to allow easy access for replacement or belt tightening. Our remote oil filter was welded on to the under side of the engine cradle.
Once the engine and transaxle had been mounted on the cradle a bracket was fabricated to mount the torque strut rod. It was welded into place onto the engine cradle, then painted; the torque strut rod was bolted to the bracket and the engine conversion adapter plate.
Because the stock engine was fuel injected and our new engine was carbureted we needed to change fuel pressure. The fuel tank was removed and the stock V-6 fuel pump removed. A fuel pump from a 4-cylinder parts car was used. Braided steel fuel lines were run around the engine compartment and a Holley fuel pressure gauge was fitted in-line to regulate pressure going to our 600 cfm Edelbrock carburetor.
Because we had changed from fuel injection to carburetion we no longer needed the majority of the engine wiring harness. Each circuit was checked and then removed if not necessary. New sending units, sensors etc were installed. The harness was lengthened so it could be easily unhooked from the shock tower allowing the engine to be lowered without detaching any of the connections.
MSD plug wires and boots were installed and are protected from the heat of the headers with heat shield boots.