Quote:

Quote:

With a good set of heads you can get that from a 440 on pump gas. You need to feed the bigger strokes, so expect to spend some on heads, cam and intake. You don't want to run a purple shaft... run something by anyone that was designed in the last 5 years, and run it around 250°@.050. That 870 is small for a 505 (which is the 4.25 stroke kit in a .030 over block) For longevity, dont use a piston shorter than 1.45" adn it will last. Plan to have your shop balance the thing, and expect to have the rods corrected and the crank carefully checked.



everything checked... very carefully.

-Bill



Including oil pickups... But if you pay attention to the details the parts are quite useable & provide options that were available only to those with allot of excess cash in the past...