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Valve Lash Settings #819218 10/01/10 07:32 PM 10/01/10 07:32 PM
Joined: Aug 2008 Posts: 59 kansas 7 70B5Vert OP member
70B5Vert OP member 7 Joined: Aug 2008 Posts: 59 kansas	So whats the thoughts on V/L settings? I have stage6 aluminum heads, a Hughes 594/605 Cam. crane 1.6 roller rockers. Cam chart says set lash at 18/20 hot. We set the lash initially at 22/24 cold. We were subsequentially told to set cold lash setting .004 tighter than the Hot setting. ( .014/.018) Is this correct?? Just wondering. Car ran well at the looser setting. Thanks in advance Deron Last edited by 70B5Vert; 10/01/10 07:33 PM. 17 Charger Daytona 70 'Cuda 340 My 1st car 70 'Cuda 340 Vert 73 Duster 318 73 Cuda 440 Drag 1.405 60ft 10.243 et 130.54 mph 6172 Diecast Mopars http://www.facebook.com/profile.php?id=100001409817007&sk=photos

Re: Valve Lash Settings [Re: 70B5Vert] #819219 10/01/10 07:41 PM 10/01/10 07:41 PM
Joined: Jan 2007 Posts: 7,664 IN A ahy master
ahy master A Joined: Jan 2007 Posts: 7,664 IN	With an iron block and aluminum heads the lash typically grows .004-.006 so that's right. Its best to set the lash hot at least once and check again when cold to make sure the "rule of thumb" works. With the lash set higher, the cam will act smaller... less top end. Plus, if its set too much higher the cam could get beat up... best to set it as recommended and see how it runs. Another "rule of thumb"... changing lash settings from recommended by up to +/- .004 is usually OK. More than that is risky.

Re: Valve Lash Settings [Re: 70B5Vert] #819220 10/01/10 08:59 PM 10/01/10 08:59 PM
Joined: Jul 2006 Posts: 4,319 Puyallup, WA S StealthWedge67 master
StealthWedge67 master S Joined: Jul 2006 Posts: 4,319 Puyallup, WA	Quote: So whats the thoughts on V/L settings? I have stage6 aluminum heads, a Hughes 594/605 Cam. crane 1.6 roller rockers. Cam chart says set lash at 18/20 hot. We set the lash initially at 22/24 cold. We were subsequentially told to set cold lash setting .004 tighter than the Hot setting. ( .014/.018) Is this correct?? Just wondering. Car ran well at the looser setting. Thanks in advance Deron You've gone the wrong direction. The heads and block grow, which ADDS to the lash. When setting cold lash, you need to go 4-6 thousandths TIGHTER than warm. With alum. Heads, hit the igh side of that. If lash reccomendation calls for 18-20 warm, you should be at about 12-14 cold. Where you're at now, when hot your at nearly .030! LemonWedge - Street heavy / Strip ready - 11.07 @ 120

Re: Valve Lash Settings [Re: StealthWedge67] #819221 10/01/10 09:10 PM 10/01/10 09:10 PM
Joined: Jul 2010 Posts: 3,502 SOUTH JERSEY HEMIFRED master
HEMIFRED master Joined: Jul 2010 Posts: 3,502 SOUTH JERSEY	what he said home of the Sox and Martin Hemi Duster

Re: Valve Lash Settings [Re: HEMIFRED] #819222 10/01/10 09:15 PM 10/01/10 09:15 PM
Joined: Aug 2008 Posts: 59 kansas 7 70B5Vert OP member
70B5Vert OP member 7 Joined: Aug 2008 Posts: 59 kansas	Thanks For the replies, Have reset them to 14/16. Now to gt to the track and test it out! Deron 17 Charger Daytona 70 'Cuda 340 My 1st car 70 'Cuda 340 Vert 73 Duster 318 73 Cuda 440 Drag 1.405 60ft 10.243 et 130.54 mph 6172 Diecast Mopars http://www.facebook.com/profile.php?id=100001409817007&sk=photos

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