[69fastback]

I don't have any experience with having anything cryo'd, and I'm in a situation where I'm trying to save a little money. The toploader transmissions are very strong, and should hold up well with the projected power levels I'll be making. The only concern is the input shaft. From the people I've talked to, I'm at the very limits of the small block shaft, on slicks. I have no worries on street tires. Some people make them work for a while, some break them quickly, and some people don't have problems with it.

If I switch to the big block shaft, it wouldn't break, but I'll have to replace the clutch, and flywheel, so I'll have over a grand in it. Initially, I figured I would just put it together, and when the shaft broke, I'd switch to the big block shaft. Now, I have decided to go with a hydraulic setup, because I don't think it will shift well at 7000 RPMs if I don't. The hydraulic conversion is pretty pricey, so that throws a kink in my plan of breaking the small shaft, and then switching to the big shaft.

Does anyone have experience with the cryo process? Does it work? It seems that I'm on the edge of what the shaft can handle, so will cryo'ing it likely make it last? If it does, it will save me about $2000 by the time it's all said and done.

[Smirnoff]

i dont have any experience with it personally but i know a lot of guys with turbo 2.2 s10 do it and it seems to help them out...

[Uber88GT]

I have heard of a few guys doing it up here, for the price it is supposed to be worth it, it doesnt make a cast crank as strong as a forged, but close.