Going be doing my heads cam build soon and just curious what most people set there preload at. I have heard mixed opinions and id rather hear from people who have done it and have had success. Your input is appreciated.

 

.080" on an iron block and aluminum heads. Quiet as a mouse.

 

+1 I'm almost positive I set mine at .080"

 

.080 here

 

.080 is stock preload. I like to preload aftermarket cams quite a bit less. .030 - .040 ish

 

I went .080 with a 228r.

 

.080 here on an aluminium block, been fine for 40,000 miles.

 

I originally had mine at .085" preload, and found it very noisy. After about 2,000 miles I went with shorter PRs, and the lifters have been noticeably quieter with .060" pre-load for the last 15,000 miles.

 

Whatever a full turn is from zero lash to 22ftlbs... That's what I went with. You'll get conflicting information on what that preload actually is, and I care not to get into it myself. I still believe it's around .047

Valvetrain wasn't silent as you could definitely hear the valves opening and closing. Worked great for me.

 

.080 hear on my flowtech cam no issues 7.4 pushrod length

 

0.045 with iron block, totally quiet.

 

This ^^^^^^ .030-.047 is ideal in my old school somewhat limited but researched understanding. lol I have realized benefit in switching to a solid roller, set cold lash and you never have to worry about preload or collapsed lifter again. ;-) My sold roller is actually way more quiet than any hydraulic ls lifter.

 

I did 1 1/2 turns of the rocker past zero lash. No issues.

 

Got mine set up around .040. No issues

 

When I had them, I ran them @ .095" preload in an LS1 with no issues.