Re: [Amc-list] noisy after rebuild

[Wrambler242@xxxxxxxxxxx]

I would get proper length pushords as suggested.
They make them all the time. 
It should not take long to get them done and you will end up with the correct length and no shims.
Might be a bit of a PIA now, but...

--
Mark Price
Morgantown, WV
1969 AMC Rambler, 4.0L, EFI, T-5
" I was different before people dared to be different" 

 -------------- Original message ----------------------
From: Andrew Blomer <lotharamc@xxxxxxxxxxx>
> 
> Hold on. 
> Shimming the rocker shaft moves it upward away from the pushrods. If I shim, and 
> use my original pushrods I will have less preload (if that were possible).
>  
> I need another .030" of pushrod. It seams I will have to get the .080 longer 
> pushrods, and shim up the rocker shaft .050 to get the right preload. In other 
> words. The +.080 will cause the pushrod to press into the lifter too far. 
> Loosening the rocker shaft retaining bolts say a 1/2 turn (about .050?) would 
> lift the rocker shaft and allow the pushrods to raise up in the lifter while the 
> rocker is still in contact with the valve. (This is all with round numbers, and 
> assuming the angles of the rockers have little effect on adding and subtracting 
> the lengths)
>  
> Is .080 preload a bad idea?
>  
> Andy
>  
>  
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