Re: Actual HP for an L-78
fwiw, when I had my 70 L78 engine rebuilt, it was comprised of the following: stock, orig block .30 over (now 408 CI),crank, dot rods, stock configuration 11:1 speed pro pistons, NOS 143 cam, uncut 291 heads/orig valve size, uncut 569 intake, stock 4557 holley, orig 2000 distrib (36 degrees all in @ 3k, headers,100 octane fuel: 421 hp @ 6k on the dyno
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70 L78 Nova Fathom Blue,Bench, 4spd, F41, 3:55
71 Porsche 911 Targa
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