i have a similar combo n my 77 /A 30 over deck set to zero .030 talked off of head #15's cast replacement pistons with valve reliefs 1.5 harland sharps 70 Qjet and 70 cast iron intake
im running lunati 292 duration 490 lift gas mileage isnt bad and runs pretty stong up to about 5300 3.90 gears with 4sp
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