[DeTomaso] MME ENGINE - JESEL ROCKER ARM FAILURE

[asajay at asajay.com]

My last two sets of full-roller rockers both came from Ford Racing.   
And I think they are actually getting them done by Crane or some other  
vendor.  I have no complaints.

Inspect the rest of the rocker arms.  If they all look good, just  
replace the two.  If they don't, replace them all with something else.

Asa Jay

Quoting Chris Lewis <clewis at dmn.net>:

> OK so after only around 2000 street miles two of the Jesel Aluminum   
> Shaft Rocker arms fail on my MME 427 Clevor.  One intake and one   
> exhaust on two
> seperate cylinders both cylinders on the passenger side bank.  The   
> motor was run-in by MME, dynoed by MME with 10-12 pulls, and hot   
> lash adjusted by
> MME.  I was there for all of this except for the run-in.  Since that  
>  time the valve covers have never been off.
>
> Any ideas as to why two brand new rocker arms would fail?  My   
> mechanic says that they failed in exactly the same spot on the push   
> rod side of the
> arm.  Now I have no faith in the rest of the arms.  When are the   
> remaining rocker arms going to fail?  I don't want to replace them   
> with the same
> thing if they are just going to break again in another 2000 miles.
>
>
> Stainless steel rocker arms from Jesel are very expensive,  $200.oo   
> each.  $3200 to make sure my motor stays together?  It's getting a   
> little
> expensive over here
>
> Chris Lewis
> Clewis at dmn.net
>
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