Is it feasible to run high 12s W/a natuaraly aspirated slant 6? Not talking trailer queen here, but something that could be driven on the street. 10:1 CR 245, 4 barrlel, headers ported heads, drag radials, skinnies, good stal in the convertor, correct gearing, 2600# car. Not looking to spend big $$$ on the motor, just a well balanced combo working together. I ran 12 flat N/A in my 4300# '06 Charger that got 26 MPG on the hi-way. 11.3 on a 125 shot. I wonder if a carefully thought out slant 6 powered '65 Valiant could run low 13/high 12s?