5.2/5.9 Magnum roller lifter limits - Moparts Forums

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5.2/5.9 Magnum roller lifter limits #602676 02/03/10 06:27 PM 02/03/10 06:27 PM
Joined: Mar 2004 Posts: 168 Manitoba, Canada O Overdrive440 OP member
Overdrive440 OP member O Joined: Mar 2004 Posts: 168 Manitoba, Canada	What are the known limits to stock mopar magnum lifters with respect to lift and spring pressures?

Re: 5.2/5.9 Magnum roller lifter limits [Re: Overdrive440] #602677 02/03/10 10:53 PM 02/03/10 10:53 PM
Joined: Jan 2003 Posts: 990 Vacherie, Louisiana S SuperStocker super gas
SuperStocker super gas S Joined: Jan 2003 Posts: 990 Vacherie, Louisiana	At about .375" lobe lift, they will want to fall out of the dog-bone so we usually keep the lobe lift to around .360" with the magnum stuff. We've ran ~660lbs. over the nose using a factory magnum lifter that we "made" solid.

Re: 5.2/5.9 Magnum roller lifter limits [Re: SuperStocker] #602678 02/04/10 06:05 PM 02/04/10 06:05 PM
Joined: Mar 2004 Posts: 168 Manitoba, Canada O Overdrive440 OP member
Overdrive440 OP member O Joined: Mar 2004 Posts: 168 Manitoba, Canada	Would this still be the case with the Mopar Magnum Race blocks with the Mopar tappet retaining kit P5155275?

Re: 5.2/5.9 Magnum roller lifter limits [Re: Overdrive440] #602679 02/04/10 09:38 PM 02/04/10 09:38 PM
Joined: Jan 2003 Posts: 990 Vacherie, Louisiana S SuperStocker super gas
SuperStocker super gas S Joined: Jan 2003 Posts: 990 Vacherie, Louisiana	I'm not sure as our stuff was all factory production.

Re: 5.2/5.9 Magnum roller lifter limits [Re: SuperStocker] #602680 02/01/11 06:29 PM 02/01/11 06:29 PM
Joined: Mar 2004 Posts: 168 Manitoba, Canada O Overdrive440 OP member
Overdrive440 OP member O Joined: Mar 2004 Posts: 168 Manitoba, Canada	What about if one would use Crane 70530-16 lifters? apparently these are supposed to be a bit taller than stock (according to their description). Crane's web page

Re: 5.2/5.9 Magnum roller lifter limits [Re: Overdrive440] #602681 02/01/11 07:27 PM 02/01/11 07:27 PM
Joined: Mar 2004 Posts: 168 Manitoba, Canada O Overdrive440 OP member
Overdrive440 OP member O Joined: Mar 2004 Posts: 168 Manitoba, Canada	Never mind the above statement... read through their entire product bulletin (after I finally found it), and it looks like the extended travel replacement lifters are for chevy only.

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