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to PETE F: tnx. question re your comment about axles[120-130/1967] posted by Dennis on
Thursday, 12 July 2001, at 1:50 p.m.
Hi Pete:
I'll post this here too, as this forum layout seems to "bury" reply topics. When you kindly answered my question about interchangeablility of 122 rear ends, you said old vs new "axles were not interchangeable." Did you mean only the complete rear end assemblies were not, or are the axle half-shafts different too? The reason is, the complete rear end was torched loose from the car and is sitting at the wrecking yard for me to pick up Saturday. All I want is what will fit into my '67. No sense having a lot of iron sitting in my driveway I can't use. I think you are saying the complete rear end unit will not bolt in, but will the axle shafts themselves fit?? Thanks, Dennis dnthomp@gte.net
Re: to PETE F: tnx. question re your comment about axles[120-130/1967] posted by Pete Fluitman on
Thursday, 12 July 2001, at 4:46 p.m.
Look at whether your car has an early or late type rear suspension. The flat pressed arm type is the early version. If it is a 4 door the early version was fitted up to chassis number 225049, 2 door it changed at chassis number 216949. However I have seen a car registered 1967 with early suspension, and a '66 registerd car with late, so don't just go by the "age" of the car.
The drums back plates and brakes are interchangeable. There is only one type of halfshaft used in the saloon axle. The diffs are also interchangeable but are an interference fit in the casing. To do it properly you need to expand the axle casing using a special tool. As the diffs wear it will often come out without the tool because the bearings lose their pre-load. Re-assemble them like that and it will whine. The 2 door and 4 door axles are the same, wagon axle is unique to it and uses more than one halfshaft. The Half shaft on the saloons are all the same. Two ratios were used 4.561 and 4.1:1 if it is from a non overdrive car it should be a 4.1:1. Wagons incidentally used the 4.56.
Somewhere in the back of my mind I seem to remember 123GT used a 4.30:1 but am not sure whether this is a myth, Certainly the later P1800 had raios of 4.30:1, 4.10:1 and also a 3.91:1.
Regards
--Pete
Re: to PETE F: tnx. question re your comment about axles[120-130/1967] posted by Per Schroeder on
Friday, 13 July 2001, at 8:10 a.m.
So...would a 67 that has the later axle design be less prone to tapered axle failure?
(really wanting some torq-Ds...instead of the 5x108 selection)
Per
Re: to PETE F: tnx. question re your comment about axles[120-130/1967] posted by Pete Fluitman on
Friday, 13 July 2001, at 3:37 p.m.
Not really, all the drums on the PV and Amazons are the same, Except some very early PV's. Consequently the diameter of the tapered axle (halfshaft) is the same. Either upgrade to a disk brake axle. Or alternatively where regulations for race or rally preclude that, or you want to retain the original stud pattern, use an upgraded shaft. It uses the normal drum but it is not held to the shaft by a taper but by a spline. The other advantage for competition is that it makes the drum easier to remove.
Regards
--Pete