Good quality 1.5 roller rockers?

midnight340 said
I know this has been asked a number of times, but wanted to find out what is currently a good way to go. I have a road trip plus 1/8 mile drags in 10-12 days so need to get this sorted!!

I am running the 740 Voodoo solid lifter cam with .526"/.546" lift in my 340. I am trying to use a re-bushed set of 273 factory units on new shafts. Geometry is good, but having trouble with one or two coming loose (even with lock nuts!) ...probably worn threads in the adjusters.

I am trying to contact Mike at B3 but haven't heard back yet. I can imagine it's a very busy time of the year for him. I have read his articles and know about his geometry kits.

I believe I have plenty of lift for my ported X heads so want to stay with 1.5 rockers.
I don't want to break the bank on these, but DO NOT want pieces I can't trust. Thinking about the Comp Pro Magnum units. Anyone using these with Mike's geometry kit???

I've seen this. It's usually (but not always) about 2 things. Geometry is off. Again, a centered sweep isn't nearly as important as a narrow sweep pattern.

The other is pushrods bending. Yep. They bend and then unbend. Over and over and over. I've seen some bend as much as .080! We knew how much they were bending because the witness marks on the heads. There was .080 clearance and you could see the rub marks.

Funny thing is, the pushrods were still straight enough to used.

What is happening is all that bending sets up a resonance frequency that does all kinds of wierd things. You see this on every brand of engine, it's not just a Chrysler thing. If you are running a roller it will also cause the rivets on the link bars to break and crap like that.

That's my thoughts. I could be wrong.