Speedmaster Small block porting tips and results Part 1
Pinch measurements
9.30 stock
1.015
1.040 kissing the tube
If you look in this picture you with just begin to see the tube. You may think wow is this work the work involved. Well I gained .110 the height of the port, so yes it is worth it to me.
In the next series of pictures you will see what this allows me to do. Here’s a few pictures of my tubing job. I cleaned it up some with a carbide burr but it will get more attention when I debur the whole head with a sanding roll
9.30 stock
1.015
1.040 kissing the tube
If you look in this picture you with just begin to see the tube. You may think wow is this work the work involved. Well I gained .110 the height of the port, so yes it is worth it to me.
In the next series of pictures you will see what this allows me to do. Here’s a few pictures of my tubing job. I cleaned it up some with a carbide burr but it will get more attention when I debur the whole head with a sanding roll