K krauss Free Member Sep 2, 2009 #1 does anyone have a ruff idea how much hp a phazer will make at 10psi and at sea level do u need to run the head shim?
does anyone have a ruff idea how much hp a phazer will make at 10psi and at sea level do u need to run the head shim?
TBird Well-known member Premium Member Sep 3, 2009 #2 Around 14.5lbs gives you twice the stock hp, so 10lbs gives you 10/14.5*80=55hp. With premium fuel you must lower the compression to run 10lbs, without a doubt, i guess around 6lbs is the highest i would go without head shim.
Around 14.5lbs gives you twice the stock hp, so 10lbs gives you 10/14.5*80=55hp. With premium fuel you must lower the compression to run 10lbs, without a doubt, i guess around 6lbs is the highest i would go without head shim.
