Gen 3 Hemi valve spring tool

Looking to see if anyone has a part number for a tool to remove valve springs from A Gen 3 with the heads ON the block. I use an OTC #4572 when the heads are off, but looking for a good head ON tool. Any recomendations of a known good tool??

Mancini racing has a nice one. Expensive. But I bet you could make one for a fraction of the price. Matt. Part# MM57VSRT

I made one that uses the stock rocker shafts.

Any pics or links?

Crane 99476-1

Did all 16 springs in the car with this - worked flawlessly...but make sure you keep the screw down lubed....

http://www.summitracing.com/int/parts/crn-99476-1.

I just came across this one

http://www.highhorseperformance.com/Manley_Valve_Spring_Compressor_Tool_p/41870.htm

Quote:

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Crane 99476-1

Did all 16 springs in the car with this - worked flawlessly...but make sure you keep the screw down lubed....

http://www.summitracing.com/int/parts/crn-99476-1.

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This is what I was thinking of. I built the shaft piece like in the picture and then a pull-down lever the first trial. That is when I found out that I only had 2 arms/hands and my first design required at least 3!! This one gives me some more ideas to try. Thanks.