MOTRUBL

I've searched like mad and still can't find much. How in the world do I set the lash on my J2K/Morel set-up?? They are the adjustable J2K roller rockers by Jesel, and the Morel's are hydraulic rollers. I've set them cold, but I'm pretty sure I did it wrong. I set them to .020 intake/.024 exhaust, but they kept collapsing the lifter on me. Any ideas before I start up my new motor and have instant damage???

Phil99vette

iTrader: (11)

I don't think you set the lash @ .020 on hydraulic lifters. You probably should preload them .010-.020 or so.
Phil

Ben R

Lash or Pre-Load? You can't set lash on a hydraulic lifter, only a solid lifter.

vettenuts

iTrader: (4)

Recommended preload on the Morel's is 0.030".

What head mods were required for the Jesels, just a spacer or did you have to modify the pushrod holes as well? How much did you have to modify the heads if you did?

SAM98WS6

call Jesel and Morel....

MOTRUBL

I had to grind on the head just above the pushrods so that the rockers would have room to rock. That's it. Stock valvecovers are a no-no without spacers.

MOTRUBL

Can't locate Morel's #. I've searched like crazy. I could try getting it from Futral.

MOTRUBL

Sorry. I meant Pre-Load.

vettenuts

iTrader: (4)

I spoke to Chris Straub on this at length. He knows the Morel lifters quite well, his recommendation was 0.030".

When you modified the head, no mods required to the pushrod holes to elongate them?

QuickSilverTA

iTrader: (6)

.030 is what im running my morels at

Cstraub

iTrader: (1)

.030" pre-load on Morels cold as Vettnuts and Quick have posted.

MOTRUBL

I'm running a .050" shorter pushrod and that's it. I've got plenty of clearance.

Thanks for everyone's help.

Griffin, I may call you sometime before startup on this.

MOTRUBL

what should I set them at warm??