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Old 05-24-2005, 09:11 AM
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Default hp 500 valve springs

need to change valve springs on my hp s they are all stock and orig 97 vintage i think springs were made by crane would prefer not to use crane again everones changing to comp cams anyone know the part#s or any other suggs thanks
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Old 05-24-2005, 12:01 PM
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Default Re: hp 500 valve springs

This is what I have.

Valve Springs Comp 929-16
Retainers Comp 741-16
Keepers/Locks Comp 612-16
Seals Comp 505-16

Good Luck!
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Old 05-24-2005, 12:06 PM
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Default Re: hp 500 valve springs

did you use these part # to replace all your stock parts and are you still running the stock cam hyd roller
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Old 05-24-2005, 03:32 PM
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Default Re: hp 500 valve springs

Only replaced Valve springs, retainers,locks,seals, the cam is fine and so are the lifters. Matter of fact the springs were fine just didn't want to find out the hard way.
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Old 05-24-2005, 04:51 PM
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Default Re: hp 500 valve springs

I recently replaced mine too.
Went back with the Comp 929-16's, and new Crane retainers and keepers. It doesn't matter which retainers and keepers you use. They are the same dimensions...

My 1999 HP500 carb had 180 hours on it and had VERY weak springs all the way around. Two valves were spinning...

My cam and lifters were also perfect.
Kent
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