Its a f1 block bored 30 over the rods have been smoothed and shot peened the crank has been turned 30 under I have two intakes ones a used edelbrock single plane torqer the other is a new dual plane air gap the heads have been ported and polished with a 3 angle valve job with stainless valves and roller tip rockers have a new hei distributor I have two cams both are used with less then 500 miles aluminum valve covers new push rods set of 30 over speed pro pistons with low miles Rhodes lifters new double roller timing chain 0 gap rings used starter used oil pan. this is the information I just recieved. a guy local to me wants to sell this engine. I don't know what the heads are, he's getting me the information. he tells me to make a reasonable offer. any ideas what it's worth ?