[DeTomaso] Rocker installation

Charles McCall charlesmccall at gmail.com
Tue May 5 15:45:07 EDT 2009


True, Asa Jay. And check that the guideplates "fit" properly. 

I had all kinds of engine problems years ago caused by a number of things,
one of which was guideplates that were slightly offcenter, sideloading the
pushrods and causing them to bend. Or at least not helping them stay
straight. 

Charles McCall
1985 DeTomaso Pantera GT5-S #9375
"Raising Pantera Awareness Across Europe"
http://www.poca.com/index.php/gallery/?g2_itemId=2323

-----Mensaje original-----
De: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com] En
nombre de asajay at asajay.com
Enviado el: martes, 05 de mayo de 2009 18:56
Para: Henrik Svensson
CC: detomaso at realbig.com
Asunto: Re: [DeTomaso] Rocker installation

Sorry, I forgot one critical item.... you -must- have pushrod  
guideplates installed.  The hold the pushrod in a particular location  
when sliding up and down.  If you look at some of the other photos at  
the link I sent earlier, you will see the guideplates I am using.  If  
you do not have guideplates, they will not work correctly and will be  
unstable as you indicate, and could slide off and really make a mess.   
You -need- the guideplates.

My apologies for not remembering it and mentioning it earlier.

Asa Jay

Quoting Henrik Svensson <hsv at traen.se>:

> Hi Asa Jay
>
> Yes it helps a lot :)
>
> Then I have I correctly installed. It seems a bit "unstable" but I   
> guess when I adjust the rockers it will feel better.
>
> Thanks!
>
> /Henrik
>
> -----Ursprungligt meddelande-----
> Från: detomaso-bounces at realbig.com   
> [mailto:detomaso-bounces at realbig.com] För Asa Jay Laughton
> Skickat: den 5 maj 2009 15:50
> Till: detomaso at realbig.com
> Ämne: Re: [DeTomaso] Rocker installation
>
> Mechanical rockers will sit on the valve and pushrod with no spacer.  I
> have photos here:
> http://www.351c.info/gallery2/v/asajay/351C_Build_2001/?g2_page=5
> but they are a bit hard to tell.  There is -no- spacer on these either,
> even though I'm running a hydraulic cam.  The tension on the assembly is
> created by the use of a lock-nut on the stud, which allows you to crank
> down the rocker too tight or too loose.  This is where the idea of valve
> "lash" comes in.  You need just the right amount of adjustment.
>
> Now if you had a stock hydraulic cam, you'd use pedastals and just
> torque the rocker to spec, but with a mechanical cam you have to adjust
> each rocker individually.
>
> Hope that helps,
> Asa Jay
>
> Asa Jay Laughton, MSgt, USAFR, Retired
>
> & Shelley Marie
> Spokane, WA
>
> 1971 Mach I Mustang  [ASA JAY]
> 1973 Pantera L 5533  [ASASCAT]
>
> ******************************
> http://www.asajay.com
> http://www.teampanteraracing.com
>
>
>
>
> Henrik Svensson wrote:
>> Hi all
>>
>> I'm trying to install my new Comp Cams Roller Rockers (mechanical cam)
>> but it feels like I'm missing something. Isn't there supposed to be some
>> kind of spacer between the rocker and the stud? The rocker can't just
>> rest on top of the valve and the push rod?
>>
>> But if I install a spacer how do I adjust the rocker?
>>
>> All pictures I find on the precious Internet shows the rocker when it's
>> in place and I can't see if there is any spacer, hmmm...
>>
>> Cheers!
>>
>> Henrik
>> #1477
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