Speedmaster Small block porting tips and results Part 1

PRH said

I don’t remember....... those were here this past spring.

They were here just to be checked out....... no mods.

Click to expand...

Like I said in a post above I think Speedmaster has made some improvements over the years. Another example is that the intake side of a Speedmaster out of the box flows more than an Edelbrock Head even with a suck azz valve job.