I assume Muscle Motors still does these. They did mine and it's a 1.32ch piston and a 6.535 rod combo and it revs fast. Mine is 10:1 compression, Bulldog heads, 585 lift 259@.050 cam, RPM intake and a MD 850 (stay away from that carb )
470 in a light car should be fun.
Doug
1967 "Pedal Car" 500" low deck , TF 727, 4.30 Locker Best to Date: 11.67 @ 114.9 1.64 60ft
"Kids in cars cause accidents. Accidents in cars cause kids..."
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