CLASS RACER FORUM - View Single Post - Who to talk to at Comp Cams re custom cam

Mike Taylor 3601 · 02-22-2016, 09:58 AM

Just in case you don't know, lift isn't where piston/valve clearance issue come from,piston/valves are closest right around 10*BTDC and 10*ATDC +/- a few*,no where near max lift. W engine could have intake valve to block clearance issues with enough lift and big enough valve diameter though.
Duration,centerline,lobe sepration and how aggressive lobe is, are the factors that effect piston/valve.
Mike Taylor 3601

02-22-2016, 09:58 AM	#4
Mike Taylor 3601 VIP Member Join Date: Oct 2008 Location: Somerset,Ky Posts: 1,371 Likes: 352 Liked 306 Times in 103 Posts	Re: Who to talk to at Comp Cams re custom cam Just in case you don't know, lift isn't where piston/valve clearance issue come from,piston/valves are closest right around 10BTDC and 10ATDC +/- a few*,no where near max lift. W engine could have intake valve to block clearance issues with enough lift and big enough valve diameter though. Duration,centerline,lobe sepration and how aggressive lobe is, are the factors that effect piston/valve. Mike Taylor 3601