David Vizard, Uncle Tony's garage, Unity motorsport. Mission impossible Dodge 302 Head porting

Well it's going to cost money to do guides anyway.
Just looked up some valves on Rockauto
LS intake valve ENGINETECH V4366 $2.65
360 valve MELLING V1180 $6.23

I understand that. When you don’t have the S&G machine to do the work the parts can be free. You have to consider that.

And, you have to consider that any gains in air flow won’t make 1 HP difference.

Its easy to spend someone else’s time and money.

Hysteric made his name doing that.