Roller Valve Spring vs FT Valve Spring
I'm wanting to put the roller in a 1990 roller motor. It will have 1.5 factory rockers and ported heads with edelbrock alum head valve springs(1.80? Installed height)
HR-286d-SBM Short Snout Magnum
Advertised Duration
In. 286
Ex. 298
Duration @ .050
In. .227
Ex. .234
Valve Lift 1.6
In. .512
Ex. .512
Lobe Lift
In. .320
Ex. .320
LSA
112
It's a Texas regrind.