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Author Topic:   fixing a broken valve spring
posted July 16, 2004 12:31 AM
break out center of spark plug and tap 1/4 pipe. screw in plug hole and hook to air,that will hold valves up.Then take spring off.Steves wholesale, sales cheap spring removers.

posted July 16, 2004 05:48 AM
if you don't have access to air pressure, i have seen this done also:
take the spark plug out and feed some nylon rope in the hole until you can't get anymore in there, leaving the end hanging out, then change the broken spring and pull the rope out.

posted July 16, 2004 06:02 AM
you can do the spark plug thing or go to and o'reillys or advance auto parts etc and buy the adapter off the shelf for a few bucks. Save yourself the time of makeing the plug work.

posted July 17, 2004 12:08 AM
I took a plug and nocked out the center then took a air tool fitting and welded it to the plug. Just screw it into the plug hole and hook up the air hose to it. When your done just release the tool and take it out of the head. Doesnt matter if it is not welded perfect or even if it leaks a little it wont matter.

[This message has been edited by eaton89 (edited July 17, 2004).]

posted July 17, 2004 01:38 AM
We just took an old compression tester and added some fittings to hook it to air. We always have the cylinder we are working on at TDC.

posted July 17, 2004 04:17 PM
Ryan if you put air in the cylinder at TDC the air is going to push it down.
But the use of a compression tester is good use of stuff laying around the shop.

Jason Boivin

posted July 17, 2004 09:32 PM
Works for me anyways. Maybe you're not doing it right. lol

posted July 18, 2004 06:46 AM
I have had and used a lisle vavle spring compressor when needed. It hooks on the sides of the spring and locks down when compressed.
its around 50 bucks.

I just got a moroso one that attatches to the studs, that I think will work easier. though its only for 3-8 studs and I have some heads with 7\16, I assumed it would come useable both ways, maybe I didnt look at it good enough yet, it just came yesterday.

my compression tester gauge end screws in and is the same thread as needed to put a air hose fitting on it. I dont worry about where the piston is, it will go wherever it wants anyways, down I think.

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