8-3/4 spool

With stock tapered axle bearings you will need to use a spacer between them. That is what we did before green bearings. As far as factory axles back in the day the street tires were not as sticky as tires today. When turning the old bias tires had more slip and the car would not shatter around turns as much, Easier on the axles.

One thing I can tell you is that a spool on the street is dangerous. Once the car gets a little loose from any failure at all it is hard to recover. I see many watch cars on the strip lose control and spectators don't understand why they couldn't save it. A spool is not forgiving. My son learned the hard way when he cut a front tire down on the street with a spool. He has been dirt racing since he is 13 yrs old. He told me he could not save it he tried. There was no steering out of it.

here is the consequences of a spool on the street with experience of how quick things go wrong. My son has driven this car many times . There is a [place fo a spool , Not on the street. **** happens.

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