I watched a Two Guy Garage the other day. They started with an early model Chevy pickup, 305 V-8, 202 torque. They added a set of headers, a throttle body spacer (1") and a cold air system. That was it and the torque figures jumped a total of 75 ft lbs. The headers were good for 30 of that. Try some of this on the N/A and see what happens.
Russ
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