Keith Blue Thunder Fe Heads

[DavidNJ]

Originally Posted by Keithc8

The problem with the small chamber as you describe it is that it kills the flow down low where most street engines need it. I had to open the chamber up to about 80cc to get the valves un shrouded.

I didn't understand what you meant by 'small chamber...kills flow down low'. Could you elaborate on this a little more?

Do you port the BT heads yourself or use ET or similar shop? Was the unshrouding part of the CNC?

And finally, how much are they?

Thanks,

David