Heads & valve cover mods required for T&D or Comp shaft rockers
#1
Heads & valve cover mods required for T&D or Comp shaft rockers
With the search function not working it is hard to find information. What kind of mods to the head and valve covers is required to run the T&D rockers or the Comp shaft rockers? I think the pushrod hole requires some work, but I don't know how big it has to be opened.
Also, are the Comp rockers better than when they were first introduced? There seems to been a lot of issues with them when they first came out and Comp changed the design and the supplier.
Also, are the Comp rockers better than when they were first introduced? There seems to been a lot of issues with them when they first came out and Comp changed the design and the supplier.
#2
Originally Posted by vettenuts
With the search function not working it is hard to find information. What kind of mods to the head and valve covers is required to run the T&D rockers or the Comp shaft rockers? I think the pushrod hole requires some work, but I don't know how big it has to be opened.
Also, are the Comp rockers better than when they were first introduced? There seems to been a lot of issues with them when they first came out and Comp changed the design and the supplier.
Also, are the Comp rockers better than when they were first introduced? There seems to been a lot of issues with them when they first came out and Comp changed the design and the supplier.
#4
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On 5.3 heads I had to enlarge the pushrod whole as the push rod will come close to the rocker pivot point and I also clearenced the rail as indicated previously. I ran a 1" space and had to knock out the baffling in my stock valve covers. Good luck!
P.S. This was for T&D 1.7 ratio.
P.S. This was for T&D 1.7 ratio.
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Originally Posted by vettenuts
Are you going to install them on your Darts as well?
#7
Originally Posted by DAPSUPRSLO
If this question was directed to me that's a no. I have a different setup now or will hopefully have soon once I these damn lifters arrive for my motor
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Originally Posted by vettenuts
It was, what are you going to run for rockers now? How come not the T&D's?
I will say this though. When it comes to extreme solid roller situations it seems as though T&D is not as confident in the longevity of their aluminum rockers as Jesel is. But that is in situations where 300+ on the seat and 700+ open pressure is being used. T&D suggested their steal rockers for that purpose.
In a standard spring situation I wouldn't sweat that too much though. Good luck.
#10
Getting ready to do heads, and examining my options. I really don't want to face that issue with the power dip at 6K RPM with the new setup. I am also looking into Crane 1.7's to see if that corrects it.
At this point, I am very suspicious that the dip is from the lifters and I will be installing Morel lifters with the new heads.
But while the heads are off the car, now is the time to investigate these other systems.
At this point, I am very suspicious that the dip is from the lifters and I will be installing Morel lifters with the new heads.
But while the heads are off the car, now is the time to investigate these other systems.