If you want to get to 400 hp with iron heads then build the motor with pistons to work with the 67 and later heads with there 14 degree valve inclination angle.
This opens the door to the aftermarket heads to allow you to top 400 Hp if you care to.
With the 068 cam and stock iron heads heads you will be right in that 360 hp power range with a 9.5 comp.
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Wernher Von Braun warned before his retirement from NASA back in 1972, that the next world war would be against the ETs!
And he was not talking about 1/8 or 1/4 mile ETs!
1) 1940s 100% silver 4 cup tea server set.
Two dry rotted 14 x 10 Micky Thompson slicks.
1) un-mailed in gift coupon from a 1972 box of corn flakes.
Two pairs of brown leather flip flops, never seen more then 2 mph.
Education is what your left with once you forget things!
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