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Home -> Forums -> Engines -> re timing vernier pulleys on head after new valves.

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Author Subject: re timing vernier pulleys on head after new valves.
devere

Senior User

Location: Saxtead

Registered: 16 Dec 2008

Posts: 810

Status: Offline
Post #1
I need an urgent DIY and advice on this one please.

I'm going to jave to whip the head off my engine to replace some valves on cylinders 3 and 4.

I have some Kent Bermudes pulleys which are timed to the right spot.

Now, what is the best way of timing the head... I shall pin the crank, but do I go and tipex the pulleys to know where to time hem to? Am I going to get that accurate enough? And am I going to.be able to remove the cams at these timing marks without messing anything else up?

I'd ideally like this to be the worlds quickest rebuild, but want to get it right...
Posted 2nd Jun 2013 at 21:27
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daveyboy

aka Jim Davey

Location: Southampton

Registered: 01 Oct 2007

Posts: 8,648

Status: Offline
Post #2
You need to buy or make a tool for locking the cams in place, one notch of the belt is roughly five degrees on the cam so you need to be super accurate, tip ex just doesn't do it.

________________________________________

R H Davey Welding Supplies. I sell new and used welding equipment in the Hampshire area. I take on welding jobs in the evenings, ally casting repairs are one of my specialities but I can weld pretty much anything. PM me with your requirements.

Some of my services: (See my for sale threads)
Engine mount/chassis repair
Solid Beam Mounts BACK IN PRODUCTION
Harness bars
Posted 2nd Jun 2013 at 21:32
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devere

Senior User

Location: Saxtead

Registered: 16 Dec 2008

Posts: 810

Status: Offline
Post #3
Having to have the cams out tho. Locking them wont help having to put them.back in in.the right spot will it? Surely its down to where you eye then back into before locking them in place then?

Just trying to get my head round this one to whip the head off maybe tomorrow night, and then delve into the new valves....
Posted 2nd Jun 2013 at 21:43
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daveyboy

aka Jim Davey

Location: Southampton

Registered: 01 Oct 2007

Posts: 8,648

Status: Offline
Post #4
If you have a scriber you can scribe a line onto the cam (not on the lobe obviously) and the head if you take the rocker covers off.

________________________________________

R H Davey Welding Supplies. I sell new and used welding equipment in the Hampshire area. I take on welding jobs in the evenings, ally casting repairs are one of my specialities but I can weld pretty much anything. PM me with your requirements.

Some of my services: (See my for sale threads)
Engine mount/chassis repair
Solid Beam Mounts BACK IN PRODUCTION
Harness bars
Posted 2nd Jun 2013 at 22:00
Profile
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