[DeTomaso] Rocker installation

[Ken Green]

Which brand of heads and rocker arms are these?  
 
What looks bad to me is that as the valve opens, the roller may go over the edge?  Did you rotate the cam through 360 degrees to see the range of movement of the roller on the top of the valve stem?  The roller will be the farthest towards the outside edge of the valve when the rocker is perpendicular to the valve stem, but should still be on the flat top surface of the valve stem.
 
Ken

--- On Mon, 5/17/10, Henrik Svensson <hsv at traen.se> wrote:


From: Henrik Svensson <hsv at traen.se>
Subject: Re: [DeTomaso] Rocker installation
To: "Tomas Gunnarsson" <guson at home.se>, detomaso at realbig.com
Date: Monday, May 17, 2010, 4:29 AM


Hi Tomas

The heads are purchased complete with springs and valves. I can't find any information from the supplier that mention anything special.

I plan to make an adjustable rush rod to see how much a shorter rod will do. But it seems strange to need different length on intake and exhaust rods?

Henrik

-----Ursprungligt meddelande-----
Från: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com] För Tomas Gunnarsson
Skickat: den 17 maj 2010 13:21
Till: detomaso at realbig.com
Ämne: Re: [DeTomaso] Rocker installation

Henrik,

Incorrect valve stem/pushrod length would cause this. Are your intake
valves special in any way?

Tomas

<-----Ursprungligt Meddelande----->
From: Henrik Svensson [hsv at traen.se]
Sent: 17/5/2010 1:03:03 PM
To: detomaso at realbig.com
Subject: [DeTomaso] Rocker installation

Hi Guys



Take a look at my roller rockers



http://www.garaget.org/?car=163523&image=1903688
<http://www.garaget.org/?car=163523&image=1903688> 



For some reason the tip of the rocker almost goes over the edge of the
valve. Look at the intake valve of cylinder 4 for example. The strange
thing is that on the exhaust valves they are centered but on all intake
they are off.



Any ideas why and what I can do? 



/Henrik

#1477

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