Originally posted by hot428ford
My spec's.. say stock at -40 to 45 & arp at- 53 to 58 which I used 2 years ago on my 428...18,000 miles 475 HP and still buying tires...


hmmm...hope to accomplish something like that... but have trouble rotating the cranck right now, so I figure I have it a bit too tight right now! (only two rods mounted at the moment!)

btw, had the bearings checked for size, came out ok...anything else I'm not seeing here?

thanx for the specs!