Author Topic: Cheap Valve Spring Compressor - Too cheap?  (Read 16118 times)

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Offline OldSchool_IsCool

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Cheap Valve Spring Compressor - Too cheap?
« on: January 02, 2009, 12:34:45 PM »
Hmmmm not sure these will work for us due to the small size of our valve springs and the fact some models have dual springs.  Any thoughts?

http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=92900

http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=97975
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Offline Patrick

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Re: Cheap Valve Spring Compressor - Too cheap?
« Reply #1 on: January 02, 2009, 12:39:14 PM »
Go to Advance Auto and get the C-Clamp type compressor they have in their free tool lending program. Quick and easy.

Patrick
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Offline MCRider

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Re: Cheap Valve Spring Compressor - Too cheap?
« Reply #2 on: January 02, 2009, 12:41:05 PM »
Hmmmm not sure these will work for us due to the small size of our valve springs and the fact some models have dual springs.  Any thoughts?

http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=92900

http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=97975
Both of these are not the traditional "C" clamp type, which is the best for off the engine spring removal. Those are for "on the engine" spring removal.

I own the first one (or mine looks like that one i should say) and it works fine. I used it with the head on the bike, I changed the valve springs from a way to HD variety to a stock set, when I changed out the cam, all of this years ago.  No reason you can't use it with the head off the bike, but you have to rig something (tape?) to hold the valves. When the head is on the bike, one uses the piston to hold the vavle from dropping in.

PS: A quick internet search shows the "C" type compressors to be $125+!! Wow. So the HF El cheapo or patrick's idea of borrowing looks attractive.  I have a C clamp type but i must have bought it when I was feeling better.
« Last Edit: January 02, 2009, 01:33:09 PM by MCRider »
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Offline tomkimberly

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Re: Cheap Valve Spring Compressor - Too cheap?
« Reply #3 on: January 02, 2009, 01:07:27 PM »

Offline MCRider

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Re: Cheap Valve Spring Compressor - Too cheap?
« Reply #4 on: January 02, 2009, 01:15:40 PM »
Ride Safe:
Ron
1988 NT650 HawkGT;  1978 CB400 Hawk;  1975 CB750F -Free Bird; 1968 CB77 Super Hawk -Ticker;  Phaedrus 1972 CB750K2- Build Thread
"Sometimes the light's all shining on me, other times I can barely see, lately it appears to me, what a long, strange trip its been."

Offline Magpie

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Re: Cheap Valve Spring Compressor - Too cheap?
« Reply #5 on: January 02, 2009, 01:26:15 PM »
Ditto on the $34.95 one, it worked well for me.
Cliff.

Offline Patrick

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Re: Cheap Valve Spring Compressor - Too cheap?
« Reply #6 on: January 02, 2009, 01:46:13 PM »
I still prefer "free," but that's just me.
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Offline MCRider

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Re: Cheap Valve Spring Compressor - Too cheap?
« Reply #7 on: January 02, 2009, 01:49:28 PM »
I still prefer "free," but that's just me.
If you borrow one from an auto parts store, ask them if they have different sizes as a small one would be easier to handle than one designed for a larger head. Some of those "C" varieties are really huge.

That's what's so cute about the one from SportingforLess. It is petite for our size heads.
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1988 NT650 HawkGT;  1978 CB400 Hawk;  1975 CB750F -Free Bird; 1968 CB77 Super Hawk -Ticker;  Phaedrus 1972 CB750K2- Build Thread
"Sometimes the light's all shining on me, other times I can barely see, lately it appears to me, what a long, strange trip its been."

Offline OldSchool_IsCool

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Re: Cheap Valve Spring Compressor - Too cheap?
« Reply #8 on: January 02, 2009, 01:50:41 PM »
FREE is definitely the price I had in mind.  But the nearest Advanced Auto to me is like a WHOLE MILE away!  :o  and what about those of us prone to sleep-tuning at 4:am ?  ;D
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Offline Patrick

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Re: Cheap Valve Spring Compressor - Too cheap?
« Reply #9 on: January 02, 2009, 02:03:24 PM »
Find a 24/7 Advance.
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Offline 754

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Re: Cheap Valve Spring Compressor - Too cheap?
« Reply #10 on: January 02, 2009, 08:06:24 PM »
Whip up a forked tool, and take them out in a drill press.

You need a magnet, pick, 2nd person to hold head, and/or a fixture(could be made of wood)

You will never mess around with those c-clamp ones again..
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Offline mark

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Re: Cheap Valve Spring Compressor - Too cheap?
« Reply #11 on: January 02, 2009, 09:02:37 PM »
Whip up a forked tool, and take them out in a drill press.

You need a magnet, pick, 2nd person to hold head, and/or a fixture(could be made of wood)

You will never mess around with those c-clamp ones again..

I like this one.

I'm picturing a cheap 5/8" deep socket with the sides cut out, snapped to an extension clamped in the chuck.

hmmmm....

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Offline 754

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Re: Cheap Valve Spring Compressor - Too cheap?
« Reply #12 on: January 02, 2009, 09:49:10 PM »
Several ways to make that piece,

I have used rectangle stock centered in a lathe(with most of the middle cut out) then turn a 45 degree bevel into that to help center it on the collar... put a pin in the other end, it gets gripped in the drill chuck.

or drill a piece of round bar, a bit bigger than valve collar on the od, the inner hole at least 100 thou smaller than dia of collar. Then cut the sides out, drill the other end and insert pin to allow holding in drillchuck.

The really cool way is to get a hold of a chopper tech. Ask for used clevis ends off the helicoptors, they look like tuning forks but shorter and are made of Ti. The ones I got (3 different) all had 3/8 fine thread on one end, fits nice in the drill chuck.

If you have a lathe turn a piece of bar to fit in the center hole of the drill table & long enough to reach the valve head without any part of head touching the table.. you could use wood or plastic, or make a piece to fit the dome of the chamber.


The tricky part is holding the head, because 1 hand is holding thedrill press handle, they other is needed to flick out the keepers... so be warned.
Maker of the WELDLESS 750 Frame Kit
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My next bike will be a ..ANFOB.....

It's All part of the ADVENTURE...

73 836cc.. Green, had it for 3 decades!!
Lost quite a few CB 750's along the way

Offline Jerry Rxman Griffin aka MuthaF'er

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Re: Cheap Valve Spring Compressor - Too cheap?
« Reply #13 on: January 03, 2009, 12:24:18 AM »
Hmmmm not sure these will work for us due to the small size of our valve springs and the fact some models have dual springs.  Any thoughts?

http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=92900

http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=97975

The first one worked for me. Hard to beat the price.
As of today 3/13/2012 my original owner 75 CB750F has made it through 3 wives, er EX-wives. Free at last.  ;-)

Offline Trevor from Warragul

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Re: Cheap Valve Spring Compressor - Too cheap?
« Reply #14 on: January 03, 2009, 02:38:05 AM »
This is cheaper

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Offline 754

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Re: Cheap Valve Spring Compressor - Too cheap?
« Reply #15 on: January 03, 2009, 07:16:33 AM »
Take the last pic, weld a bolt into the washer (threads away from washer), them remove the clamping bolt, and put it in a drill chuck..
Maker of the WELDLESS 750 Frame Kit
dodogas99@gmail.com
Kelowna B.C.       Canada

My next bike will be a ..ANFOB.....

It's All part of the ADVENTURE...

73 836cc.. Green, had it for 3 decades!!
Lost quite a few CB 750's along the way

Offline Alan F.

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Re: Cheap Valve Spring Compressor - Too cheap?
« Reply #16 on: January 03, 2009, 03:48:47 PM »
This Craftsman unit worked great for me, costs $20 and is in the 2009 catalog, get one locally, lifetime warranty, decent price.

http://www.sears.com/shc/s/p_10153_12605_00947627000P      use the linkage at the right, enter your zip code and find one near you.

Offline moham

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Re: Cheap Valve Spring Compressor - Too cheap?
« Reply #17 on: January 03, 2009, 05:55:47 PM »
http://www.sportingforless.com/Valve-spring-compressor-p/t08.htm

$ 34.95 plus shipping.


Tom


After reading this I went and spent about $200 on that site. Some cool stuff there.
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Offline coyotecowboy

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Re: Cheap Valve Spring Compressor - Too cheap?
« Reply #18 on: January 03, 2009, 06:00:55 PM »
http://www.sportingforless.com/Valve-spring-compressor-p/t08.htm

$ 34.95 plus shipping.


Tom


After reading this I went and spent about $200 on that site. Some cool stuff there.

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Offline moham

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Re: Cheap Valve Spring Compressor - Too cheap?
« Reply #19 on: January 03, 2009, 06:01:52 PM »
This Craftsman unit worked great for me, costs $20 and is in the 2009 catalog, get one locally, lifetime warranty, decent price.

http://www.sears.com/shc/s/p_10153_12605_00947627000P      use the linkage at the right, enter your zip code and find one near you.

Perhaps I'm a bit "country-slow" as they say, but I bought that Craftsman unit and had to spend about 15 minutes on the grinding wheel to get it to work for my 550 head (and then only barely). The mouth of the depressor was just too wide to get into the tight openings (I know, that's what she said). Even then I was leaving tiny little gouges in the aluminum as I was trying to get the angle just right. Just my own experience. As I said in the previous post, I just bought the Sporting for Less version as I don't want to trust my "modified" Craftsman on re-assembly.
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Offline moham

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Re: Cheap Valve Spring Compressor - Too cheap?
« Reply #20 on: January 03, 2009, 06:04:00 PM »
http://www.sportingforless.com/Valve-spring-compressor-p/t08.htm

$ 34.95 plus shipping.


Tom


After reading this I went and spent about $200 on that site. Some cool stuff there.

Thats where my carb sync gauges came from.  really good service

Yea, I picked up the carb sync set too ($129 version on sale for $100), the steering bearing tool and a couple other small bits...
78 750K-The Ocho
74 550-The Cherry Picker
70 750K0 motor-Dick in a Box

Offline coyotecowboy

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Re: Cheap Valve Spring Compressor - Too cheap?
« Reply #21 on: January 04, 2009, 05:43:57 AM »
LOL, I got that set too, ebay from them.  might have been 5 or 6 bucks less.  Found that set at Z1 for the bargain price of $189!!! :o
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Offline HondaMan

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Re: Cheap Valve Spring Compressor - Too cheap?
« Reply #22 on: January 04, 2009, 09:24:41 AM »
Hmmmm not sure these will work for us due to the small size of our valve springs and the fact some models have dual springs.  Any thoughts?

http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=92900


That's just like the one I use for bikes and cars and lawn mowers and...
See SOHC4shop@gmail.com for info about the gadgets I make for these bikes.

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Offline Alan F.

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Re: Cheap Valve Spring Compressor - Too cheap?
« Reply #23 on: January 04, 2009, 10:09:29 AM »
Quote
Quote from: Alan F. on January 03, 2009, 06:48:47 pm
This Craftsman unit worked great for me, costs $20 and is in the 2009 catalog, get one locally, lifetime warranty, decent price.

http://www.sears.com/shc/s/p_10153_12605_00947627000P      use the linkage at the right, enter your zip code and find one near you.


Perhaps I'm a bit "country-slow" as they say, but I bought that Craftsman unit and had to spend about 15 minutes on the grinding wheel to get it to work for my 550 head (and then only barely). The mouth of the depressor was just too wide to get into the tight openings (I know, that's what she said). Even then I was leaving tiny little gouges in the aluminum as I was trying to get the angle just right. Just my own experience. As I said in the previous post, I just bought the Sporting for Less version as I don't want to trust my "modified" Craftsman on re-assembly.

Sorry to hear that, it was next to effortless on my 750 head.  Hopefully they're not selling whatever they can get cheaper that week as the same part number...

Offline CBJoe

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Re: Cheap Valve Spring Compressor - Too cheap?
« Reply #24 on: January 04, 2009, 10:31:39 AM »
I have the same craftsman compressor.

I had the same issue with the depressor being too wide to easily use on my CB650 Head.  I would chalk it up to differences between the 550/650 head and the 750.

Regards... Joe
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