posted December 01, 2005 07:54 PM
Why has IMCA put rules on block #'s now. Now I have to search for a core by casting #. I think only one of the castings is a four bolt. I guess it dosnt matter. I wont be making enough power to need a 4 bolt anyway.
racer17j Dirt Forum Champ
Total posts: 5442
posted December 01, 2005 10:21 PM
they put them on there to make it easier to tech.if i rember right they have every 350 block that came with a manual fuel pump and non roller cam in it as long as you get a older 350 block you will be good