I have a 84 350 CSB and a tunnel ram with 2 4 barrels plus a 671 blower. what do I need to do to the block
355
No a 383 is a 350 with a 400 crank. A 350 bored 60 over is 361 cubes.
a Chevy 350 bored .060 over would be 360.4 cubic inches
358
4.060"
357
depends on the blower and whether or not the rest of the engine is stock or modified, if you check out blowers on sites like jegs.com they usually specify HP gain
4.040"
355
Bore it .030 over. A 350 has a 4 inch bore. When you go .030 over, the cid., becomes 355.
no
The heads of a small block Chevy 350 engine weigh approximately 50 pounds. The use of aluminum over cast iron reduces their weight slightly.