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Re: Stock magnum roller lifter preload ?
[Re: Performance Only]
#1102344
10/27/11 10:46 AM
10/27/11 10:46 AM
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Joined: May 2006
Posts: 1,260
New Mexico
Adobedude
pro stock
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pro stock
Joined: May 2006
Posts: 1,260
New Mexico
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To keep them quiet or to make more power?
On the Dakota R/T Forums, 3/4 to 1 turn past 0 lash is the standard. Mine have been "shimmed", so I set them like a solid roller, with a feeler gauge.
2001 Dodge Dakota
408 All Motor
11.27 @ 117.83 mph
2017 NM Mopar Challenge Series Champion.
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Re: Stock magnum roller lifter preload ?
[Re: Adobedude]
#1102345
10/27/11 11:08 AM
10/27/11 11:08 AM
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Joined: Oct 2003
Posts: 21,345
Marysville, O-H-I-O
70Cuda383
Too Many Posts
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Too Many Posts
Joined: Oct 2003
Posts: 21,345
Marysville, O-H-I-O
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Quote:
To keep them quiet or to make more power?
On the Dakota R/T Forums, 3/4 to 1 turn past 0 lash is the standard. Mine have been "shimmed", so I set them like a solid roller, with a feeler gauge.
Dave, that's the universal standard on adjustable rockers. but it doesn't hurt anything to go tighter.
tighter won't make more power because it's hydraulic. not like a solid where tighter lash will increase lift/duration. it does however ensure that you don't run out of lifter "cushion"
as long as you have good geometry, it shouldn't matter if you go 3/4 of a turn or 1.5 turns. as long as you don't bottom the lifter out, or leave it too shallow, or screw up the geometry.
**Photobucket sucks**
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