Valve Adjustment (hyd) ...

Reply Subscribe

Thread Tools

Search this Thread

Apr 16, 2008 | 03:00 PM

OldFordRacer

Thread Starter

Junior User

Joined: Jul 2007

Posts: 95

Likes: 0

From: Nevada & California

Valve Adjustment (hyd) ...

Is there any reason why I should not adjust 428 Adjustable Rockers the same as I would other engines with adjustable rockers and hydraulic lifters ? ...

I am in the process of installing a New Cam & Lifters with Like-New 428 Adjustable Rockers and Pushrods ...

In the past, I have adjusted FE Rockers by backing off until the lifter fully pumps up and "ticks", then tighten until there is Zero clearance, plus 1/4 - 1/2 turn (the same method used on Chevy V8's) ...

Apr 17, 2008 | 01:31 PM

krewat

FTE Leadership Emeritus

Joined: Jul 2002

Posts: 42,561

Likes: 421

From: Long Island USA

Depends on the thread-pitch of the adjuster, and how much preload the lifter should have

Sorry, I've only done non-adjustables...

Apr 17, 2008 | 03:08 PM

Freightrain

Lead Driver

Joined: Jan 2003

Posts: 9,893

Likes: 12

From: Ohio

Sounds pretty close to me. As long as they aren't ticking then they are preloaded. As long as they aren't bottomed out then you're okay too.

I'd say go with it.

Apr 22, 2008 | 12:39 AM