Quote:
Originally Posted by Mountain
I’ve only built a few engines, myself, but I’ve been through schooling and trade shows/seminars about engine building, machine, airflow, mechanical engineering, along with racing things...
Honestly, if you’re messing with cams, you better be, at least, considering valve springs and maybe even retainers or valves. Mostly springs... There’s a lot going on there that needs to be considered.
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you'd be right in pretty much any OHV motor. In the Coyote due to design of the VCT and the lightweight valve gear you dont need or want stiff springs. I suppose titanium retainers could be of value in an extreme situation but for 99.8% of people its wasted money as the stock valve train will handle what the cams require.