Tom,
Cryogenic freezing has been around a long time. You slowly lower the
temperature of metal or plastic parts to near the temperature of liquid
nitrogen. The parts cold soak for awhile and then are slowly raised back
to room temperature. It was once expensive, these days it is usually an
automated process, so more affordable.
This is said to relieve stress, and make parts stronger. Molecular motion
slows down at 300 below enough to allow some changes to occur in the
molecular structure. I was told NASA uses it for some of their critical
parts. Maybe someone in the group can further enlighten us.
I think my number one priority would be to cold treat the front knuckles,
hubs, bearings and rotors.
Then if I would think about engine parts that wear fastest or break more
frequently.
Items such as cam, cam followers, rockers, valves, pistons, piston rings,
bearings, etc. would benefit.
It's not real expensive so may as well send everything except the block.
If you want to find out more or try it, some suppliers advertising on the
net include:
http://www.kalama.com/~accufreeze/
http://www.onecryo.com/
There may be cryogenic shop in your area.
If you try it, don't forget to include some new nylons for Marg, she will be
delighted.
Don Miller
Shenandoah Valley of Virginia
>Now Mondello has started a new way of preping the cast cranks to further
>stop the problem of galling or spinning the bearings between the 3-4 main.
>He cryogenically freezes the crank in a complicated freeze thaw cycle that
>virtually stops crank flexing under power. He says that this process makes
>for a really fantastic living engine.
>
>
>
>Tom & Marg Warner
>Vernon Center NY
>1976 palmbeach
Cryogenic freezing has been around a long time. You slowly lower the
temperature of metal or plastic parts to near the temperature of liquid
nitrogen. The parts cold soak for awhile and then are slowly raised back
to room temperature. It was once expensive, these days it is usually an
automated process, so more affordable.
This is said to relieve stress, and make parts stronger. Molecular motion
slows down at 300 below enough to allow some changes to occur in the
molecular structure. I was told NASA uses it for some of their critical
parts. Maybe someone in the group can further enlighten us.
I think my number one priority would be to cold treat the front knuckles,
hubs, bearings and rotors.
Then if I would think about engine parts that wear fastest or break more
frequently.
Items such as cam, cam followers, rockers, valves, pistons, piston rings,
bearings, etc. would benefit.
It's not real expensive so may as well send everything except the block.
If you want to find out more or try it, some suppliers advertising on the
net include:
http://www.kalama.com/~accufreeze/
http://www.onecryo.com/
There may be cryogenic shop in your area.
If you try it, don't forget to include some new nylons for Marg, she will be
delighted.
Don Miller
Shenandoah Valley of Virginia
>Now Mondello has started a new way of preping the cast cranks to further
>stop the problem of galling or spinning the bearings between the 3-4 main.
>He cryogenically freezes the crank in a complicated freeze thaw cycle that
>virtually stops crank flexing under power. He says that this process makes
>for a really fantastic living engine.
>
>
>
>Tom & Marg Warner
>Vernon Center NY
>1976 palmbeach
