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01-28-2016, 11:29 PM | #1 |
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valve guides in 59ab
Before I even start I thought it might be interesting to know if there is a BEST way to remove valves guides n my 59 ab. I would really appreciate some comments on that because it looks like a rough job to do and not tear something up. - Pat
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01-29-2016, 09:11 AM | #2 |
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Re: valve guides in 59ab
It depends on what you are replacing,trying to save, sometimes the best way is to break off the valve heads, sometime ripping out the lock clips, sometime all that is needed is the tool to pull the guide down, there were many tools made to do this job, screw presses, lever tools , punches that fit around the valve head----sometimes all the methods are needed on the same engine
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01-29-2016, 09:34 AM | #3 |
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Re: valve guides in 59ab
The last 59a I took apart required breaking the valve heads off to drive out the guides on several of the valve guides. Sometimes they can be a real pain to get out.
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01-29-2016, 10:45 AM | #4 |
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Re: valve guides in 59ab
Use your guide bar to lower the valve guide slightly and use a needle nose plyers to pull the guide keeper off. Then use the guide bar to raise the guide, valve and spring out of the top of the block. If you need special tools look at Patricks web site. They make a valve puller (after removing the keeper)
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01-29-2016, 11:05 AM | #5 |
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Re: valve guides in 59ab
On real stubborn guides I use heat, as some do for stuck Pistons. A little flammable liquid in the right spot, light it, and when it goes out pry away!
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01-29-2016, 11:12 AM | #6 |
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Re: valve guides in 59ab
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Last edited by Prawbly; 01-29-2016 at 11:14 AM. Reason: spelling |
01-29-2016, 11:15 AM | #7 |
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Re: valve guides in 59ab
lube with lots of MMO before you start and wear gloves. Can be easy and can be a b.... you will not know until you start.
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01-29-2016, 02:09 PM | #8 |
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Re: valve guides in 59ab
I wouldn't worry about the parts as you would probably install 1 piece 8BA guides and valves.
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01-29-2016, 02:25 PM | #9 |
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Re: valve guides in 59ab
A valve guide bar is nearly essential when mucking around with these engines. Makes life so much easier. I made a retainer remover out of 1/4" rod bent and ground down to fit in the retainer hole.
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01-29-2016, 03:35 PM | #10 | |
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Re: valve guides in 59ab
Quote:
Also, just a comment on the valve bars, almost all of the repo ones I have tried to use are junk at best. I would suggest finding an original/time-period one. I have found a couple on ebay. Night and day difference over the newer ones IMHO. This is one style of valve guide driver. Last edited by JSeery; 01-29-2016 at 03:49 PM. |
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01-29-2016, 03:47 PM | #11 |
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Re: valve guides in 59ab
If its fairly stuck getting the guidelocks out in a destructive way and then the KD-918 clamp to get the assembly out.
That destroys a minimum of valve parts. If its badly stuck brute force and bad language is involved. |
01-29-2016, 04:55 PM | #12 |
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Re: valve guides in 59ab
Yeah, even my old kd 240 prybar succumbed in trying to budge the guides. Had to use a drift from a ground-down open-end wrench that cleared the heads and stems enough to reach the guides. Looked a bit like the one JSeery posted above. Then hooked the horseshoes and pounded away. Just didn't have the heart to snap the heads off a good set of mushrooms. But the real fun part came when using the cam and wedges to push the semi-loosened guides out the ports. Had to use a cloth net to catch all the shrapnel once the spring-loaded guides finally let loose from their bores. 8^)
Jack E/NJ |
01-29-2016, 06:14 PM | #13 |
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Re: valve guides in 59ab
I put one through a garage window once.
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01-29-2016, 06:21 PM | #14 |
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Re: valve guides in 59ab
Now I know this is going to sound harsh but,...... I have '38 24 stud that I was not going to reuse ANY of the valve train, and the guides were stuck pretty good. So I used a cutting torch and cut the valve springs and stems cleanly, pulled the valves out the top and using a drift, hammered the guides out into the valley area. I was done in little over an hour.
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01-29-2016, 09:51 PM | #15 |
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Re: valve guides in 59ab
Been there, done that.
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01-29-2016, 11:17 PM | #16 | |
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Re: valve guides in 59ab
Quote:
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01-29-2016, 11:22 PM | #17 |
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Re: valve guides in 59ab
I'm beginning to see the light. I'll get my protective gear on and "Getherdone"
thanks to all, I appreciate it. |
01-29-2016, 11:23 PM | #18 |
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Re: valve guides in 59ab
Your best bet is to find someone that's done it before. Also, I'd replace them with 8BA valves and guides. The early split guides had poor oil control
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01-30-2016, 03:59 AM | #19 |
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Re: valve guides in 59ab
My two cents, by now those long pry bars are useless they did work when the engine
probably was in its prime. Simply use a spring compressor remove keepers remove springs, valves and bang the guide down with a 5/8 socket no damage what so ever. Good practice to stick a magnet in the area of those little trolls 'keepers' when removing. When assembling, now you can use the bar. |
01-30-2016, 05:16 AM | #20 |
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Re: valve guides in 59ab
I have had some success using a tire iron down the inlet port to push the guide halves down to get the horseshoe clip out.
Use care and don't go mad and no damage should be done. You're back to any of the other methods with the exhausts though. I have stripped some very old motors and not had to deliberately cut or damage a valve. I agree that using the 8ba style valves and keepers is a much easier prospect. Mart. |
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