I am using Edlebrock aluminum heads for my 440 build up. Can aluminum heads be run at a higher compression ratio than their steel counterparts? What is the highest CR I can run with them using pump gas (94 octane) and not get into detonation problems?
Thanks for the info folks. I am new to the mechanical/engineering side of things so to me there's no such thing as a dumb question. I will go with the bushings.
Can you run free floating pins without bushings (1/8" oil hole drilled in top) in stock steel LY rods. If so, will they be durable enough for a mild (450hp/6000rpm max) street engine or is this a race only modification.
