I milled the heads .050, i'm using the LS7 lifters with a .050 Cometics head gasket. I'm gonna get the 5/16 .080 walled pushrods. I'm not sure which ones to get, here's the choices.

1) Crane Pro Series Aircraft-Quality 4130 chromemoly

2) Crower 4130 Seamless chromemoly

3) Comp Cams Magnum High carbon C1020 chromemoly

4) Trick Flow Specialties 4130 chromemoly steel

5) Comp Cams Hi Tech High quality premium steel alloy chromemoly

 

What's up 34 people read this and didn't have an opinion? I'm sure somebody has an opinion.

 

I have comp in my truck. I honestly don't think it makes a difference as long as you are running a good aftermarket push rod.

 

They are all the same. Theres only maybe 1 or 2 pushrod manufacturers. Everyone else just puts their name on them.

 

Thanks for the opinions, these are the ones i'm leaning towards:

Trick Flow Specialties 4130 chromemoly steel

Crane Pro Series Aircraft-Quality 4130 chromemoly

Comp Cams Magnum High carbon C1020 chromemoly

Probably leaning towards the Comp Magnums more than the others, but not sure about the high carbon C1020

 

Just get the right length.
I believe that 4130 is a stonger steel when heat treated. Granted pushrods act in compression so tensile strengths are pretty irrelevant. Elastic Modulus would be more relevant to buckling.

 

Yeah we did the measuring came to 7.3"with .067" preload, thanx.