Originally Posted By 301v
With 1.5 rockers it is

Intake lift 700 ... Lobe 4668
Exhaust lift 715 ... Lobe 4765

@50 Intake 286 and 109 ATDC
@50 Exhaust 306 and 115 BTDC

Advertised Duration 326 intake and 356 exhaust

I'm assuming it is a single shaft system? I just went thru some old notes on a TD system with a 1.6 ratio (1.52 pivot). Measuring a .4765" lobe with .020 lash on a 760lb spring open load my NET lift was .735" FWIW
I'd guess your current NET is near .670" with the 1.5 rocker.

Last edited by HardcoreB; 08/15/18 01:02 AM.