Quote:

---

I'm replacing intake and valve cover gaskets and want to check my lifter preload while I'm this far in. It's a rb with hydraulic cam/ lifter w adjustable rockers. My question (probably dumb) is should I back off all the adjusters at first or just the cylinder I'm working on?
As I said, probably dumb but I'm having a brain seize...

---

If your going to remove the intake valley pan find a piece of wire that is around .030 diameter to use to check the preload between the lifter cup and the wire retaining clip I like and use between 1/4 and 3/8 turn preload from zero clearances on the adjuster srew , I use my fingers to move the pushrod up and down while adjusting the adjusters to get zero preload
I just finished a new motor with hydraulic lifters, I brought #1 piston to top dead center on the firing stroke and set both lifters, I rotated the crank 90 degrees clockwise and did # 8 and then #4 and so on It is probally better to do the adjustment with the motor warmed up like you drive it

Quote:

---

and want to check my lifter preload while I'm this far in.

---

Quote:

---

...If your going to remove the intake valley pan find a piece of wire that is around .030 diameter to use to check the preload between the lifter cup and the wire retaining clip...

---

A spark plug wire gauge works good for this.