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i know it can be done without and hassle, its just getting the right tool that seems to be the problem.

i've got the cams out and the valve spring/retainers exposed. the tool i need is in america, and im extremely weary about sending my money to someone i cant find if they tried to screw me.

the tool i need is similar to this: http://www.autobarn.net/xxxw-sp-91400.html

and ive got no idea on where to get one in australia.

can anyone help me out?

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https://www.sau.com.au/forums/topic/162663-doing-the-valve-stem-seals/
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They used to do one at a time it with a modified spark plug and an air compressor. Bore out the spark plug and braze in an air hose fitting. Attach the hose and away you go, 70-150 psi [depending on your comp size]. Not sure how you'd do it on a skyline, but on motorbikes you'd make up a tool that bolted to the camshaft journal/split mount holes and compress the springs, similar to the bucket and shim adjustment tool. The valves would stay closed from the air compressor.

I've seen the home made tooling, I've never seen it done.

You can buy the right tools anywhere. The problem is finding one that can be used on nissan OHC cylinder heads without fouling on the cam journals etc. Its fairly tight to work around, Ive adapted several tools to suit. Go buy one from a decent toolsupplier and make it work.

Thank sky30 his pic. :)

Keen to see how it goes.. I wish I didn't have to rip my head off to sort the oiling issues (restrictors).

ill keep this thread posted, with pics.

I assume you are using compressed air to keep the valves closed/up????

yeah ive bought a connector off ebay that screws into the spark plug hole. then the hose connection for the compressor screws into that, then the compressor hose onto that. it should be sweet.

i've also heard of another method called the indian rope method:

what you do is get around 170cm of plastic/nylon rope. shove it into the bores through the spark plug hole while at bottom dead centre, keeping some rope hanging out, then rotate the motor close to top dead centre when you start to feel the motor get a bit tight to turn. apparently its common practice in alot of places. although air pressure sounds like a safer option to me!

Yes, no messy fibres or dust. Thinking as I go here, you could use something like 4mm plastic hose though, the kind they use for drip lines in gardens etc. Not as messy then??

But I'd go compressed air still.

i cleaned up the valve spring compressor i made a bit, i made a T piece out of some scrap metal i had laying around and got it welded at my exhaust place for $5.

im happy with it now. it works well. as soon as the fittings for the compressor get here ill be doing them straight away.

here are some pics for anyone who wants to make one themselves:

post-13452-1175586860.jpg post-13452-1175586853.jpg post-13452-1175586840.jpg

I'll borrow one of my old mans sidchrome long reach sockets. :)

lol.. When I was a young lad I chopped up and bent a heap of his sidchrome spanners as I had trouble removing a few bolts. I wasn't allowed in the shed for quite some time. :S

I'll borrow one of my old mans sidchrome long reach sockets. :)

lol.. When I was a young lad I chopped up and bent a heap of his sidchrome spanners as I had trouble removing a few bolts. I wasn't allowed in the shed for quite some time. :S

BAHHAHAHAHAH thats gold

I'll borrow one of my old mans sidchrome long reach sockets. :O

lol.. When I was a young lad I chopped up and bent a heap of his sidchrome spanners as I had trouble removing a few bolts. I wasn't allowed in the shed for quite some time. :S

im still not allowed in my old mans shed :huh:

time for an update.

i did 4 of them today, ill do the other 20 tomorrow. getting the collects to go in where you want them to is an ugly job at first, but you get the hand of it. the first 2 went in after 20mins of stuffing around then the last 2 went in straight away after figuring it out. you've pretty much got to move the retainer so the valve comes up dead centre between the collects, let one of them drop into place, then hold the other one tight and push the valve spring compressor all the way down till its got space to move in.

its alot easier than it sounds.

bugger that for a joke. Good that it works but how did you go about pressure testing the system?

Not too bad if you do the job for your own vehicle but it sucks now because I've had three people ask me to change their valve springs and seals over without removing the head. What's your email so I can send 'em your way lol.

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