Get my drift?

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Get my drift?

Postby clivechafer » Thu Jun 29, 2017 11:28 am

Is there a way to get the valve guides out of the head without the proper drift? I don't have one, and can't find anyone local who does. Is there somewhere I can buy, rent or borrow one? Or is there a workaround? Thanks!
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Re: Get my drift?

Postby woodywoodchipper » Thu Jun 29, 2017 2:16 pm

piece of bar steel slightly under size will just knock them out,or a piece of brass,sometimes an old punch with the point ground flat will work

you dont need anything fancy to get em out, its the putting back thats crucial,

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Re: Get my drift?

Postby Plin » Thu Jun 29, 2017 3:10 pm

Well I haven't got a clue! But thankfully Woody has already offered helpful advice, so I will just say :D welcome to the forum!
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Re: Get my drift?

Postby Sleeper » Thu Jun 29, 2017 7:57 pm

Local ?
If we knew where you are maybe someone local could help out...

John ;)
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Re: Get my drift?

Postby clivechafer » Fri Jun 30, 2017 3:57 pm

Local to Reading...
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Re: Get my drift?

Postby Sleeper » Sat Jul 01, 2017 5:43 am

So no where near Manchester....maybe someone local to Reading might pop up ..

John ;)
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Re: Get my drift?

Postby clivechafer » Sat Jul 01, 2017 7:57 pm

So I took the valves out today and found what I take to have been the main cause of the problem: 2 of the O-ring seals I put on the valve stems last year had split. So lots of oil had been getting into the chambers and causing blue smoke and a persistent misfire. One of these valves had no play in the guide, the other one had a bit of play. All the other valves had a bit of play, one of the exhaust valves had a bit more than the rest. My dilemma now is: how many guides do I replace? I'm thinking I'll just replace the 3 inlet valve guides that have play in them. I don't imagine the exhaust valves can let in much oil, since the gas flow is outwards. What do you think? Am I cutting corners by only replacing the worn inlet valve guides, or am I being prudent and not causing more work than needs to be done? (I can't find the correct size drift, and after banging away at the guides I can't get them to move, so I think I'm going to find a machine shop to do the job anyway.)
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Re: Get my drift?

Postby Panky » Sat Jul 01, 2017 9:51 pm

Not sure if any of these will do the job, you'll have to measure a valve stem to check.

https://www.ebay.co.uk/sch/i.html?_odkw ... t&_sacat=0
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Re: Get my drift?

Postby clivechafer » Sun Jul 02, 2017 3:54 pm

Thanks, Panky. Not sure these drifts will do the job. They're 5/16", whereas the Morris Workshop Manual calls for 9/32". It's only a fraction smaller, but the 5/16" might not fit into the guide. Depends how exact the fit is. I think I'll see what the machine shop says and take it from there. If it's expensive, I'll look for a better tool...
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