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PostPosted: Tue Dec 07, 2021 5:10 pm 
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Supercharged

Joined: Wed Sep 17, 2008 6:48 pm
Posts: 3561
Location: Indianapolis
Car Model:
I want to remove a valve spring or two, but do not want to pull the cylinder head.
Run the piston near TDC, push some rope in through the spark plug hole, then rock the piston the rest of the way up. I think I am good with that.
My question is, what is the best - safest tool to use to compress the valve spring to remove the retainer and keeper. I have one of those hand held spring compressors with the wheel on the top and the two fingers that grab the lower spring coils, and I don’t like that tool. I had a compressed spring slip out of it and it shot across the garage like a rocket. If I had been in the way, that would have hurt.
So is there a spring compressor that would fit to the rocker shaft on a slant?

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PostPosted: Tue Dec 07, 2021 5:21 pm 
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Joined: Thu Oct 17, 2002 7:27 pm
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Location: Park Forest, Illinoisy
Car Model: 68 Valiant
I have seen tools that have a J shaped end with a slot in it that you hook under the rocker shaft and pull the handle to compress the spring enough to get the keepers off through the slot. I used one on DeSalvo's Pro Stock truck motor. Pretty sure the one he had was not cheap.

I have one like yours. I don't think I have ever used it.

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PostPosted: Wed Dec 08, 2021 3:35 am 
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Supercharged
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Location: IRWIN PA
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I have used one like this plenty of times:
Image

They are slow and fiddly, but they work fine.

Sometimes you have to reposition the tool a few times on the spring to get it compressed properly and not have it fly across the garage or to get the keepers in or out.


I have not used any other on the vehicle spring compressor but I know they are out there. This one is small enough to work in the engine bay around hoses, Brake boosters, A/C stuff and other general crap that is near the engine.

Greg

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PostPosted: Wed Dec 08, 2021 9:03 am 
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Joined: Sat Oct 19, 2002 12:06 pm
Posts: 7847
Location: Silver Springs, Fl.
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I made my own. Used a old rocker shaft and two rocker arms. Cut the shaft so a section could bolt to two shaft mounting holes. Welded two rocker arms together so the distance between them would stradle the retainer, on either side of the stem. Then welded a "lever" bar to the arms. I'll see if I can get a friend to post a picture for me

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Charrlie_S
65 Valiant 100 2dr post 170 turbo
66 Valiant Signet 225 nitrous
64 Valiant Signet
64 Valiant 4dr 170


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PostPosted: Wed Dec 08, 2021 9:31 am 
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Joined: Mon Oct 21, 2002 11:08 am
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Location: Blacksburg, VA
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I have used the screw type, like Greg posted, many times (head on or off engine). As long as I am careful in positioning, I have found it works fine and I have not "sprung" myself. I use the rope trick (haha) to keep the valves up. I have seen Charlie's tool and it is way cool. I need to make one of those...

Lou

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PostPosted: Wed Dec 08, 2021 10:00 am 
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Supercharged

Joined: Wed Sep 17, 2008 6:48 pm
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Location: Indianapolis
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I like Charlie's idea, been thinking on that.

And, I thought I was paying attention and being careful when using that hand held spring compressor and I had used it successfully many times previously.
One close call was enough to educate me,

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PostPosted: Wed Dec 08, 2021 10:26 am 
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Supercharged
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Location: IRWIN PA
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Cool Idea Charrlie!

Greg

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PostPosted: Wed Dec 08, 2021 11:03 am 
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Dart270 wrote:
I have used the screw type, like Greg posted, many times (head on or off engine). As long as I am careful in positioning, I have found it works fine and I have not "sprung" myself. I use the rope trick (haha) to keep the valves up. I have seen Charlie's tool and it is way cool. I need to make one of those...

Lou

The problem I have with the "screw/handwheel" type, is it doesn't grab the inner spring or damper, if not using single spring.

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65 Valiant 100 2dr post 170 turbo
66 Valiant Signet 225 nitrous
64 Valiant Signet
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PostPosted: Wed Dec 08, 2021 11:46 am 
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Supercharged

Joined: Wed Sep 17, 2008 6:48 pm
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Location: Indianapolis
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Quote:
Charlie's tool


after looking on line at the high priced rocker shaft supported valve spring compressor I started thinking on what I could build.
The thought of using a pair of modified rocker arms was one of the designs that crossed my mind. Hearing that Charlie S went that way was enough for me to say to myself,
"that must be a good way to go'.

Photo below is progress so far. The PRI show is in town starting tomorrow so it will probably be the weekend before I do much more on this.


Attachments:
valve spring compressor 1.jpg
valve spring compressor 1.jpg [ 118.55 KiB | Viewed 1293 times ]

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PostPosted: Wed Dec 08, 2021 11:54 am 
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Joined: Sat Oct 19, 2002 12:06 pm
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Location: Silver Springs, Fl.
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DadTruck wrote:
Quote:
Charlie's tool


after looking on line at the high priced rocker shaft supported valve spring compressor I started thinking on what I could build.
The thought of using a pair of modified rocker arms was one of the designs that crossed my mind. Hearing that Charlie S went that way was enough for me to say to myself,
"that must be a good way to go'.

Photo below is progress so far. The PRI show is in town starting tomorrow so it will probably be the weekend before I do much more on this.

That's just what I did. Welded a lever to both arms. I cut the shaft so only two mounting holes, and used the remainder of the shaft, as the lever.
PS: keep the rockers as far apart as possible, and still have good contact with the retainer. Makes it easier to get to the locks.

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65 Valiant 100 2dr post 170 turbo
66 Valiant Signet 225 nitrous
64 Valiant Signet
64 Valiant 4dr 170


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PostPosted: Wed Dec 08, 2021 12:13 pm 
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Supercharged

Joined: Wed Sep 17, 2008 6:48 pm
Posts: 3561
Location: Indianapolis
Car Model:
will do, thanks

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PostPosted: Thu Dec 09, 2021 5:52 am 
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Joined: Fri Nov 01, 2002 5:02 pm
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Location: Waterloo, Iowa
Car Model: '23 T-bucket
I wonder if there's a way to utilize one of those threaded adjuster holes to do the compressing work?
Maybe a long, hardened threaded stud that screws against the valve cover rail, or a flat bar mounted on the rail?
That would keep both hands free to deal with the keepers.

Just a suggestion.....Roger


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PostPosted: Mon Jan 03, 2022 12:01 pm 
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Turbo EFI
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Joined: Fri Dec 30, 2005 2:49 pm
Posts: 1129
Location: Houston, TX
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I use the exact same cheesy screw-type tool that Greg posted. To prevent it from slipping off and shooting a spring across the garage, I use a small quick-grip clamp, the type with the one-handed squeeze trigger and rubber feet on the clamp faces. I put the spring compressor in place on the spring, then put the clamp about halfway down on the arms of the compressor (as low as it will fit), then start screwing down the compressor. It's fiddly, but that's what I had on hand the first time and it worked "good enough" that I just kept doing it.

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PostPosted: Thu Jan 06, 2022 7:19 pm 
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Supercharged

Joined: Wed Sep 17, 2008 6:48 pm
Posts: 3561
Location: Indianapolis
Car Model:
I had posted these photos in other threads, but not this original one,
so yes, the rocker arm shaft mounted spring compressor fabricated from a couple of welded together rocker arms worked great.
Having the jack bolt hold the compressive pressure on the spring giving two free hands to deal with the keepers was great.
It was very positive and secure in holding the valve spring at all times.


Attachments:
spring compressor.jpg
spring compressor.jpg [ 157.13 KiB | Viewed 1079 times ]
spring compressor on engine.jpg
spring compressor on engine.jpg [ 109.97 KiB | Viewed 1079 times ]

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Doo Ron Ron and the Duke of Earl are friends of mine.....
https://www.youtube.com/watch?v=uX8Nj8ABEI8
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