Re: [Chrysler300] 300H valve adjustment

["paul paulholm@xxxxxxxxxxxxx [Chrysler300]" <Chrysler300@xxxxxxxxxxxxxxx>]

> Old recollection,  the lash adjuster threads are 20tpi, 20 threads per
> inch.
> SO 1 Full Turn is .05 Inch,  1/2 turn = .025 inch,  1/4 turn = .0125
> IF My Math is correct
>
> So a base line can be achieved by running till hot then with motor off
> rotate by hand to prelim set each at .000 with that cylinders piston is
> TDC (top dead center) on the compression stroke, then by turn counting
> get close to the CAM stated Specs before trying to get fancy with
> altering the lash for that 'That feels faster', or that sounds quieter,
> etc. etc.
>
> TDC on the Compression stroke? BOTH valves should have a little play in
> the rocker arm, on the exhaust stroke one of those rocker arms will
> have NO Play atall. (If I remember rightly)
>
> (specially since we are talking solid lifters)  :-)
>
> Some folks who do this a lot to a certain motor have a spare set of
> valve covers that they cut the tops off so they can play without
> spraying earl all over while they wrench away on the lash adjust
>
> NOT Recommended for long ram motors :-)
>

I hired a bunch of loafing electrons and dug up the 'chart' of the 'easy 
way' I used to follow. Yups it is findable on the 'net.

http://www.centuryperformance.com/valve-adjustment-procedure.html

With Pretty Pictures and all

-- 
Paul Holmgren
On account of being a democracy and run by the people,
we are the only nation in the world that has to keep a
government four years, no matter what it does.
     Will Rogers



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