Overbores on Clevelands like windsors is not real good. Sounds like 60th over..I don't "think" they made 25th over??
Seek another block or buy a whole car cheap...Can the damage be honed out???Can sleeve but there are too many 2nd hand blocks around in good nick ..As said..
Don't be afraid to try something new. Remember, amateurs built the Ark...Professionals built the Titanic!
Tuned & maintained by "Peppertree Perfmormance". Dart block, Scat 4340 steel crank, Custom C.P pistons.Oliver rods.. Mal Wood twin plate clutch.. Twin SC61/2's,482 rwkw/ 645 rwhp..
Passengers, myocardial infarction material..