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regarding heads, I heard from somebody that Kuntz stated that the best flowing FE head after reworking was the Dove Tunnel port, over 400 cfm intake, (excluding SOHC). With the raised exhaust ports, Dove claims 300 cfm on the exhaust. However, you have to use a 4.23 bore or larger for the heads to fit.
Moldex will rework your FT crank for about $1000, including offset grinding journals and tuftriding/heat treatment.
You can pick up a single four spider intake for the tunnel port for about $300-400. I bought one for about $250.
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"After jumping into an early lead, Miles pitted for no reason. He let the entire field go by before re-entering the race. The crowd was jumping up and down as he stunned the Chevrolet drivers by easily passing the entire field to finish second behind MacDonald's other team Cobra. The Corvette people were completely demoralized."
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