LS Roller Rocker install vs Trunnion Upgrade fail

[Pollushon]

Nah. You just got some duds. The world has smashed millions of hp and nm through brass trunnions. They work great, stock LS rockers are the choice of oodles of high performance builds

 

[Ginger Beer]

From talking to a few engine builders the solid trunnions are good for high rpm, but, they wear and require replacement

Fine if your rebuilding your engines regularly, but not for typical street use

The oem rockers with captured bearings are what you want for longevity

Apparently.......

Like these> https://www.compcams.com/gm-ls-upgraded-oem-rocker-arms-ls1.html

 

[Pollushon]

I did 65k hard km @ 14 pounds on some Brian Tooley solids and they are fine in the new car still after another 20k km. I guess it depends on what longevity means to you but valve train geometry is life

 

[jacks355]

Nah. You just got some duds. The world has smashed millions of hp and nm through brass trunnions. They work great, stock LS rockers are the choice of oodles of high performance builds

Was all for the bronze trunnions and the reason for putting them in, read loads of good things about them. At the end of the day there are many variables to each and every install. If I had my time again would have bought the Texas Speed oem style roller rockers, that way there's no modification to the head, with roller trunnion bearing, roller tip and longevity.

https://www.texas-speed.com/p-6147-texas-speed-performance-1721-ratio-ls3-steel-roller-rocker-arm-set-w-roller-tip.aspx

 

[Pollushon]

At the end of the day you can't go wrong with the rollers, especially if it's in the budget

 

[Immortality]

One thing I will say though is that in a application like the bushed rocker, I would like to see a thin shim washer between the bush and the circlip.

 

[jacks355]

One thing I will say though is that in a application like the bushed rocker, I would like to see a thin shim washer between the bush and the circlip.

Esp if the shim was integrated into the bush somehow.

 

[07GTS]

Was all for the bronze trunnions and the reason for putting them in, read loads of good things about them. At the end of the day there are many variables to each and every install. If I had my time again would have bought the Texas Speed oem style roller rockers, that way there's no modification to the head, with roller trunnion bearing, roller tip and longevity.

https://www.texas-speed.com/p-6147-texas-speed-performance-1721-ratio-ls3-steel-roller-rocker-arm-set-w-roller-tip.aspxView attachment 223107

those are the rockers im getting, they fit the bush themselves at TSP when ordered

 

[jacks355]

those are the rockers im getting, they fit the bush themselves at TSP when ordered

Pretty sure they have 2 types, a cupped needle roller and a bushed option. They need a shorter push rod too.

 

[07GTS]

Pretty sure they have 2 types, a cupped needle roller and a bushed option. They need a shorter push rod too.

yea they have there style bearings and the CHE style, yep damn shorter pushrod !!! been waiting months for them rockers to come in as all thats left on my engine is to get rockers so i can work out pushrod length then its done