Well the big boys are using something like 2:1 rockers now.
Modern passenger car engines are using 1.7:1 and 1.8:1 rockers.
Myself I prefer less lifter travel and getting the job done with rocker ratio.
Just because you already own a set of 1.5:1 rockers doesn’t mean you’re married to them.
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1964 Tempest Coupe LS3/4L70E/3.42
1964 Le Mans Convertible 421 HO/TH350/3.08
2002 WS6 Convertible LS1/4L60E/3.23
1966 VW Type 2 Single Cab Pickup 140hp 2276
1956 VW Type 2 Panel Van 36hp 1200
1957 VW Type 1 Beetle 180hp 2276
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