Hi All, can anyone clarify if all front hubs are the same. Can anyone give me any leads to clear things up. I tried looking up parts catalog at Pelican, but they dont show that part. I even tried a search for 'hub' and nothing came up, strange ? Any leads or information is appreciated. I am trying to see if a 1968 912 front hub will fit onto a 1986 911 strut.
thanks in advance
Ted
86 Carrera struts shipped on Monday. I included the upper strut mounts as well.
I think there was a change in the early '70's, but I'm not totally sure.
I forgot to mention. While I haven't seen these myself I think that the difference in the spindle nuts is not just size, but that the thread is different. I think that is why you can't just use a nut from the older spindle (which I assume is smaller in diameter) on the newer spindle. I didn't include that in the wiki as I am not semi-sure that this is correct. But it may help you find out what the truth is.
Simple question, simple answer. No, they are not all the same, I myself have seen at least 3 different hubs from different year cars. Some are thicker, some are longer, they were visible differences in each one. As for what years? I dont know enough about it to give you that information. In PET however, the different years have different part numbers even though the illustrations are all similar.
Thanks for posting the link, Richard.
Your Wiki is really shaping up, answered several questions I had about 5-lugging.
930 hubs have an extra 15-20mm width on them to increase the track without spacers....
and i believe in 72 they changed the spindle nut size... as there are 2 style of thrust washers available for a 72.....
72 is also when they changed ball joint styles
64-68 are the same. 69-73 are the same. 74-up are the same. Like Arron said the 930's were different. The best way to check is to see when the wheel bearings changed. I believe the 64-73 are all the same and the 74-89 uses different bearings.
Yes, I believe that the solid rotor hubs and the vented rotor hubs are different. Basically I believe the solid rotor hubs are the shortest, and the turbo hubs the longest.
Solid rotor hubs and vented hubs are darn near identical.
If you lay them on a table studs up you can run a straight edge across the top of them.
Now, down below is where the rotor attaches (same hubs sitting on the same table). There is 3-4mm more shaved off the later vented hub.
(Don't make me go to the Britt Dodd Design Studio!)
Here's my .02,,,,
I have a set of hubs I cleaned up from an early 911 that had vented rotors. I purchased a set of 1969 911 front struts with solid rotors. Both hubs have the same part # 901 341 605 3R!! Now if there is a difference,, it should be negligible sp? because Porsche would have used a different part #,,, right?
When I searched www,,, I came upon this site
http://www.vdubengineering.com/technical/conversions.htm
and that dood says the same hub was also used on mid 80s 944. I would think that most 5 lug hubs for standard suspension Porsche cars all had 901 341 605 3R hubs. I think there are different hubs like skline says,, but those are for turbos, and other special run vehicles, that had much larger tires/spacers, etc. Porsche does not throw out good engineered parts, they use them over and over again.
well that's what I think,,,
-Rob
Thank you all that replied. Now it is time to do some homework.
Rob,
Part number or casting number?
I've had them side by side and saw a big difference...
Same hub... agreed... just milled differently for the rotor mating surface.
Good luck Ted.
944 and 911 hubs are way different. Offset is the critcal difference.
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