SBF performance head shoot out - David Viazrd video

[michael-king]

David Vizard just uploaded a head test vidro..

Well worth a watch if you want some comparison data:

 

[hottigr]

The video had some great tips on head work, but I did not see any comparisons?

 

[michael-king]

Comparison is in another. This one he does the chamber mods. Has a great series of videos on various heads, cams and general theory.
His work on the alpine ( rootes) alloy head produces good results