Valve spring compression tool

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phaetn
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Valve spring compression tool

Post by phaetn »

I've got my head off to chase down a coolant leak and want to address a valve seal leak when I'm at it.

I borrowed an OHC valve spring compressor from Parts Source but it won't quite pull the springs enough to loosen the valve from its seat. I wonder if its made for American or Japanese cars with longer springs.

Any suggestions? Was there a specialty tool? Is there a workaround? I'm sooooooo close but can't more forward unless I can loosen the keepers from the valves stem to drop the valves.

Cheers,
phaetn
1974 CS1
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Re: Valve spring compression tool

Post by 131 »

I assume the tool you are using is the type similar to a "G clamp". If so, put a washer or other type of spacer between the valve face and the tool, it will give you a bit more spring compression.
Mick.

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phaetn
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Re: Valve spring compression tool

Post by phaetn »

Unfortunately not -- it's not a G clamp. It just fits on the spring side only. Basically it looks like this, though the actuator is different:
http://www.harborfreight.com/universal- ... 60335.html

There are two j "hooks" that fit below the coil of the spring, and then two legs that fit against the spring seat. I guess I need another type...

Thanks and cheers,
phaetn
1974 CS1
32/36 DFEV; CompuTronix ign.
9.8:1 c/r; 40/80 intake cam w/ Isky springs
Vicks' SS header & adj. cam pulleys
A/R's progressive coils, Koni Yellow dampers
205/50-15s on CD-66 style rims
Momo wheel, Corbeau seats w/ 5 pt belt
pics and HD vids
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Re: Valve spring compression tool

Post by fiatfactory »

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Last edited by fiatfactory on Tue Jul 02, 2019 12:25 am, edited 1 time in total.
nothing to see here... move along.
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aj81spider
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Re: Valve spring compression tool

Post by aj81spider »

I had one like yours and couldn't make it work. Then I bought one like Fiatfactory shows and it was a breeze.

I don't think what you have will work - at least with our engines.
A.J.

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Re: Valve spring compression tool

Post by GTO »

I have the one in fiatfactory,s picture and have used it for years quite happily on my spider and previous coupes with no problems at all; apart from the small handle,but that's easy to work around.
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Re: Valve spring compression tool

Post by phaetn »

Thanks guys. Turns out I can pick one up for CA$60.

To get the keepers out I just used a socket and a BFhammer, wearing safety glasses, of course. Something soft under the head prevented damage to the valves.

That tool would be required to get the valves and keepers back in. Turns out I bought a new (old) head with back boxes and valves already fitted.

Thanks!

Cheers,
phaetn
1974 CS1
32/36 DFEV; CompuTronix ign.
9.8:1 c/r; 40/80 intake cam w/ Isky springs
Vicks' SS header & adj. cam pulleys
A/R's progressive coils, Koni Yellow dampers
205/50-15s on CD-66 style rims
Momo wheel, Corbeau seats w/ 5 pt belt
pics and HD vids
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Re: Valve spring compression tool

Post by Mattiscool »

fiatfactory wrote:.
Could you post a picture of the valve compression tool.
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Re: Valve spring compression tool

Post by ORFORD2004 »

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RRoller123
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Re: Valve spring compression tool

Post by RRoller123 »

Yes that works great, except on Exhaust 4, where some gussets in the cam box (around the disty spot) cause interference. I ground a tiny bit off of a couple of the edges of it and it then it fits perfectly in that troublesome spot. There is a thread somewhere here on the forum about that. Some folks say that you can just put the tool in backwards in that location and use it as is. I haven't tried that. But the tool works and is a good one.
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Re: Valve spring compression tool

Post by aj81spider »

The original post was about a valve spring compression tool. Not sure what the new poster wants, but that's the valve shim removal tool that you guys have posted.

If what Mattiiscool wants is the spring compression tool it was something like this:

https://www.amazon.com/EX-ELECTRONIX-EX ... 142&sr=8-6
A.J.

1974 Fiat 124 Spider
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Re: Valve spring compression tool

Post by RRoller123 »

Ah, yes. My mistake.
'80 FI Spider 2000
'74 and '79 X1/9 (past)
'75 BMW R75/6
2011 Chevy Malibu (daily driver)
2010 Chevy Silverado 2500HD Ext Cab 4WD/STD BED
2002 Edgewater 175CC 80HP 4-Stroke Yamaha
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Re: Valve spring compression tool

Post by Mattiscool »

Thank you. If I may, if I wanted to check the head for warping, would 0.004 be ok? Thank you!
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Re: Valve spring compression tool

Post by RRoller123 »

Shop Manual section 101.01, page 10-47/48

"Using a straight edge, check head for distortion. Lay straight edge across diagonals of gasket surface and lengthwise in the middle. The gap between head and straightedge must not exceed 0.002 inch. If gap exceeds this, reface cylinder head gasket surface"
'80 FI Spider 2000
'74 and '79 X1/9 (past)
'75 BMW R75/6
2011 Chevy Malibu (daily driver)
2010 Chevy Silverado 2500HD Ext Cab 4WD/STD BED
2002 Edgewater 175CC 80HP 4-Stroke Yamaha
2003 Jaguar XK8
2003 Jaguar XKR
2021 Jayco 22RB
2019 Bianchi Torino Bicycle
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Re: Valve spring compression tool

Post by Mattiscool »

Thanks again for your help with my questions. When I removed the heads, I thought maybe I’ll mark the valve caps for indentation (valve cap one, two etc). but they all looked the same, so I thought nay there all the same, so now I’m screwed. LOL
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