Re: [Chrysler300] Lifter lash
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Re: [Chrysler300] Lifter lash



The rocker shaft bolts are NOT 50 lb ft. They are 30 as previously stated.
300ly,
Don
----- Original Message -----
From: Mike Apfelbeck <moparmike@xxxx>
To: jennifer allyn <gearhead.girl@xxxx>;
<Chrysler300@xxxxxxxxxxxxxxx>
Sent: Sunday, January 26, 2003 5:22 PM
Subject: Re: [Chrysler300] Lifter lash


> The rocker shaft bolts should be 50 ft/pounds, 30 ft/pounds is probably
> close enough. What your machinist meant was that when the cylinder is at
> the top of the firing stroke, you should be able to compress the lifter by
> holding pressure on the pushrod end of the rocker until there is a
specific
> amount of clearance between the rocker tip and the end of the valve stem.
> This is assuming the lifters aren't already pumped up with oil, if they
> are, you will have to hold pressure on them until they bleed down. The
> clearance needed at the rocker end is usually specified as a
> minimum/maximum value, typically .060" to .120"(If I remember correctly)
> This is the desired range of measurement to allow the hydraulic lifters to
> function correctly. Each cylinder should have, ideally the same
measurement
> to have a smooth idle & quiet operation. The person who did your valve job
> should have set the "valve height" when he did the job, which is to grind
> the end of the valve stems off until they are all the same height compared
> to each other.
>
> Mike
>
> At 03:02 PM 1/26/2003 -0800, jennifer allyn wrote:
> >Putting together a 1962 413 (though the block and heads are actually
> >1964).
> >
> >The rockers are non-adjustable.
> >
> >I have installed new lifters, pushrods, rocker arms, and rocker shafts.
> >
> >I have just tightened down the rocker shaft bolts to 30 pounds.
> >
> >Engine is currently at TDC.
> >
> >My machinist said at this point I should have some movement with the #1
> >push rods.
> >
> >What I have is very, very little movement, though the pushrods can spin,
> >but there is little up & down movement.
> >
> >
> >
> >Am I fine or am I screwed?
> >
> >
> >
> >Thanks!
> >
> >Matt Allyn
> >
> >
> >
> >[Non-text portions of this message have been removed]
> >
> >
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> >
> >
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>
>
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>
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