[RDJR]

I was wondering if anybody knows the geometry of 67 ford truck spindles (1/2 ton) and if they could be used on a drop tube axle? If it is possible I understand I would have to build the axle myself and that isn't a problem. the reason I ask is I have a doner truck with good motor and was going to scavange all parts i could for a T bucket build.

[KULTULZ]

Originally Posted by RDJR

I was wondering if anybody knows the geometry of 67 ford truck spindles (1/2 ton) and if they could be used on a drop tube axle? If it is possible I understand I would have to build the axle myself and that isn't a problem. the reason I ask is I have a doner truck with good motor and was going to scavange all parts i could for a T bucket build.

It is not so much the geometry of the spindle (other than ackerman) but the geometry of the axle end where it will be installed. You would have to mockup the geometry by having the axle mounted on the chassis (suspension loaded) and try to make the design close to practical as possible. Caster then can be fine adjusted with shims under the spring pads and camber by actually bending (adjusting) the angles of the tube ends (with a special tool) (and I am not sure if a tube axle would take this adjustment whereas a beam axle will).

A beam axle is flexible whereas a tube (esecially chromed) may be damaged.

[bobscogin]

Originally Posted by RDJR

I was wondering if anybody knows the geometry of 67 ford truck spindles (1/2 ton) and if they could be used on a drop tube axle?

If by geometry you mean kingpin inclination, they may well be ccompatable with other Ford axles. In building my T-bucket, I fitted '37 Ford spindles to a mid 60's Econoline van I-beam and the kingpin inclination was the same. You'll need to take Ackerman geometry into account, but that's not as critical as kingpin inclination.

Bob

[RDJR]

Thanks for the info. Does anyboby know the standard king pin inclination on spindles typically used on drop tube axles. Is the inclination measured in degrees between the stub and the king pin bore?

[bobscogin]

Originally Posted by RDJR

Thanks for the info. Does anyboby know the standard king pin inclination on spindles typically used on drop tube axles. Is the inclination measured in degrees between the stub and the king pin bore?

Pretty sure that the inclination is 9 degrees measured through the kingpin boss of the axle. The spindle kingpin bore would not necessarily have the same angle relative to the stub because an allowance has to be made for camber.

Bob

[RDJR]

Thanks again for the info. Hopefully I will be able to jerk those old spindles out tomorroe and then with them in hand will be able to compare them with a vintage set. I have a friend whoes father in law has a t bucket he built in the late 70's. sorry to take so long to get back to you but i use comp. in free time at work on 3rd shift.