 Difference between these hubs? |
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| Bob Wolcott |
 Jun 6 2005, 10:29 PM
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#1
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Member  Group: Members Posts: 85 Joined: 18-May 05 From: McMinnville, OR Member No.: 4,096  |
I have two pair of hubs for my 914-6, one that is original and another pair I got at a later time. I'm not really sure which is which or what the difference between them are. Anyone know what the difference is? Here are some pictures and part numbers.
http://oregonstate.edu/~wolcottr/Porsche/Hub/ 911.341.605.4R (appear to be cast) 901.341.605.3R (lighter weight and smooth) Thanks, Bob |
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| ArtechnikA |
Jun 7 2005, 05:07 AM
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#2
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rich herzog Group: Members Posts: 7,390 Joined: 4-April 03 From: Salted Roads, PA Member No.: 513 Region Association: None |
those are not part numbers, they are casting numbers. the 901 part would be original for the /6 there may or may not be any practical, functional difference. could be the studs are of slightly different length or something. could be the alloy is a little different, or one was sand-cast and another pressure-cast. i'd use them in matched pairs just to be safe. |
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| xsboost90 |
Jun 7 2005, 05:39 AM
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#3
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Senior Member Group: Members Posts: 1,393 Joined: 2-August 04 From: cincinnati Member No.: 2,432 |
not sure but do you want to sell the set you dont use? I need some hubs bad!
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| Bob Wolcott |
Jun 7 2005, 08:13 AM
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#4
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Member Group: Members Posts: 85 Joined: 18-May 05 From: McMinnville, OR Member No.: 4,096 |
I do plan to sell one pair of these but I am not sure which. I will be running an RS motor in this car with wide tires etc... and I really need the strength, if there is a difference.
Bob |
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| Joe Bob |
Jun 7 2005, 08:29 AM
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#5
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Retired admin, banned a few times Group: Members Posts: 17,427 Joined: 24-December 02 From: Boulder CO Member No.: 5 Region Association: None |
Use whatever seems to be in better condition. If you are going to race it consider going with longer studs and open headed nuts...same with the rear.
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| Jeroen |
Jun 7 2005, 08:33 AM
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#6
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914 Guru Group: Members Posts: 7,887 Joined: 24-December 02 From: The Netherlands Member No.: 3 Region Association: Europe |
haven't checked the numbers, but those may be early vs late hubs
(the 901's being early and the 911's being late) |
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| Eric_Shea |
Jun 7 2005, 08:41 AM
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#7
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PMB Performance Group: Admin Posts: 19,275 Joined: 3-September 03 From: Salt Lake City, UT Member No.: 1,110 Region Association: Rocky Mountains  |
Have you measured them out side by side? I haven't seen the machining marks on any of my hubs. It looks as though someone may have milled the mounting surface of the hub in the 005 picture... (IMG:http://www.914world.com/bbs2/html/emoticons/confused24.gif)
I don't think there's a difference in strength or any need to care. I've never heard of "any" 911 hub failing. If they measure out the same, I'd simply use the 901 hubs that came with the car and sell the others to Dan. |
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| ArtechnikA |
Jun 7 2005, 12:03 PM
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#8
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rich herzog Group: Members Posts: 7,390 Joined: 4-April 03 From: Salted Roads, PA Member No.: 513 Region Association: None |
if you *really* need the strength, don't mess around with any of the factory stuff and get the billet hubs from SmartRacing. |
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| Mueller |
Jun 7 2005, 12:11 PM
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#9
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914 Freak! Group: Members Posts: 17,146 Joined: 4-January 03 From: Antioch, CA Member No.: 87 Region Association: None 
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the SmartRacing hubs are the 930 style front hubs (built in 1" spacer)..unless they have another one that I didn't see in the catalog.... |
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| ArtechnikA |
Jun 7 2005, 12:16 PM
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#10
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rich herzog Group: Members Posts: 7,390 Joined: 4-April 03 From: Salted Roads, PA Member No.: 513 Region Association: None |
they used to have both 911 and 930 flavors; maybe they've discontinued the 911 flavor for some reason; i hope not. i tried to find them on their "new and improved" site and now that they've gone to links to PDF's i can't find anything. i hope they figure that out before it costs them a bunch of business... |
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