Shainesboostin said Wow. My preload is actually at .100 and I rev it to 6k and spray it with nitrous!!! Oops Click to expand...
AJ/FormS said So. I rev mine to 7200 with .030 preload. And some other guy will float his valves at 5500,have no contact, and run it like this for 40 years. Valve springs are the key ingredient. Click to expand...