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Re: 440 Six Pack pushrods travel into hydraulic lifter
[Re: PJSIXPACK]
#1203906
03/26/12 05:41 PM
03/26/12 05:41 PM
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Joined: Jan 2003
Posts: 75,043
U.S.S.A.
JohnRR
I Win
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I Win
Joined: Jan 2003
Posts: 75,043
U.S.S.A.
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Quote:
I am purchasing a shim kit for the rocker arm shafts so that I can equalize the travel into each lifter.  Thank you in advance.
I don't think you'll be able to accomplish that since you would have to put the same amount of shim under each pedestal.
Adjustable pushrods or rockers is the answer. I did a 440 with smith bros. adjustable pushrods , pricey but I was able to set the same preload on every lifters basically the same .
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Re: 440 Six Pack pushrods travel into hydraulic lifter
[Re: JohnRR]
#1203907
03/26/12 05:47 PM
03/26/12 05:47 PM
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Joined: May 2005
Posts: 6,446
NJ-USA
HPMike
master
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master
Joined: May 2005
Posts: 6,446
NJ-USA
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Quote:
Quote:
I am purchasing a shim kit for the rocker arm shafts so that I can equalize the travel into each lifter. Thank you in advance.
I don't think you'll be able to accomplish that since you would have to put the same amount of shim under each pedestal.
Adjustable pushrods or rockers is the answer. I did a 440 with smith bros. adjustable pushrods , pricey but I was able to set the same preload on every lifters basically the same .
...Or he can use all the stock stuff if the valve stem tips are fairly the same height, then he can use an adjustable pushrod to get the lash out, Measure the length of that pushrod, add 020-050 and hed be good to go.
Just make sure you check both banks to make sure that there isnt any variation. There shouldnt be that much, but always good to check. Im not a fan of using any rocker shaft shims. Always seemed like a cheesy way out of a solvable issue.
Companies like Comp Cams and Trend stock entry level type PR's in a myriad of lengths that you should find what you need without bearing the expense of a "custom" pushrod.
MB
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