Just a mystery to me

[Fred Popov]

Originally Posted by Billy Nees

2007 Chry. 345 ci. 10.5 comp. 2.00/1.55 valves .482/.470 cam 345 factory HP NHRA factor 345HP
2009 Chry. 345 ci. 12.7 comp.2.10/1.60 valves .584/.552 cam 305 factory HP NHRA factor 305 HP

So, according to Mopar decreasing the copression ratio, valve size, and cam lift results in an increase in horsepower. I should build a Chry. 345 ci. with 1.50/1.00 valves, 7.0 comp. and 0.300 cam lift.....that should make about 500 hp.