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Re: Piston/Valve clearance, how tight have you run?
[Re: gregsdart]
#1710096
12/13/14 10:39 PM
12/13/14 10:39 PM
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Joined: Jan 2003
Posts: 16,931 NC
440Jim
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 16,931
NC
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Quote:
Dave, I think that is too tight. For sure on the exhaust, as any failure of the valve to follow the cam and ya got trouble. With only 0.040 piston to head, when a lot of that is eaten up at speed you are down to about .020 or .030 from crashing the exhaust valves. Any inconsistency in valve depth in the heads will add to the problem, along with any other items that are a bit off.
I agree. For a super stocker or some class rules that might be fine. But if you don't check and replace valve springs, etc. very often you could hurt something real bad. Over rev it by accident (water box, missed shift, tire spin, etc.) same damage. Not worth it for most of us, IMO.
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Entire Thread
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Piston/Valve clearance, how tight have you run?
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quickd100
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12/13/14 06:21 PM
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Re: Piston/Valve clearance, how tight have you run?
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72Swinger
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12/13/14 06:30 PM
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Re: Piston/Valve clearance, how tight have you run?
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CHAPPER
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12/13/14 06:56 PM
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Re: Piston/Valve clearance, how tight have you run?
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quickd100
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12/13/14 07:24 PM
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Re: Piston/Valve clearance, how tight have you run?
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72Swinger
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12/13/14 07:41 PM
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Re: Piston/Valve clearance, how tight have you run?
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gregsdart
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12/13/14 07:41 PM
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Re: Piston/Valve clearance, how tight have you run?
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440Jim
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12/14/14 02:39 AM
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Re: Piston/Valve clearance, how tight have you run?
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CHAPPER
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12/13/14 07:54 PM
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Re: Piston/Valve clearance, how tight have you run?
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quickd100
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12/13/14 08:06 PM
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Re: Piston/Valve clearance, how tight have you run?
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MR_P_BODY
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12/13/14 08:01 PM
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Re: Piston/Valve clearance, how tight have you run?
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blue_stocker
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12/14/14 03:09 AM
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Re: Piston/Valve clearance, how tight have you run?
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dvw
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12/14/14 03:18 AM
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Re: Piston/Valve clearance, how tight have you run?
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Anonymous
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12/14/14 03:32 AM
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Oops, too close!!!
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Blucuda413
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12/14/14 03:33 AM
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Re: Oops, too close!!!
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onig
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12/15/14 03:53 PM
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Re: Oops, too close!!!
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Blucuda413
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12/15/14 07:12 PM
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Re: Piston/Valve clearance, how tight have you run?
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madscientist
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12/15/14 04:47 AM
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Re: Piston/Valve clearance, how tight have you run?
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dizuster
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12/15/14 02:05 PM
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Re: Piston/Valve clearance, how tight have you run?
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madscientist
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12/15/14 08:49 PM
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