 VW / Porsche CV joint compatibility, Will VW CV's bolt to the porsche flanges? |
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| mkincaid |
 Oct 20 2009, 01:41 PM
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#1
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Newbie  Group: Members Posts: 7 Joined: 3-September 09 From: Seattle Member No.: 10,757 Region Association: Pacific Northwest  |
I'm trying to build a custom street rod with a 914 5 speed and vw axles and outboard bearings/stub axles.
My question is, do the VW cv's bolt to the porsche output flange? If not, what would be the easiest way to mate VW outboard drive components to porsche inboard drive components? Ideas: Replace the output flange on the trans? replace the flange on the outboard and use porsche axles/joints? Weld a porsche half shaft to a VW half shaft (eww)? I'm hoping it just bolts up. :/ Thanks! |
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| TravisNeff |
Oct 20 2009, 01:45 PM
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#2
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914 Guru Group: Members Posts: 5,082 Joined: 20-March 03 From: Mesa, AZ Member No.: 447 Region Association: Southwest Region 
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Eric Shea converts the vw bearings for use on the 914, he drills out in installs the required roll pins. www.pmbperformance.com
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| mkincaid |
Oct 20 2009, 02:18 PM
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#3
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Newbie Group: Members Posts: 7 Joined: 3-September 09 From: Seattle Member No.: 10,757 Region Association: Pacific Northwest |
Just to be clear what i'm trying to do. I'm essentially trying to install a 914 transmission into a 70's VW bug. So same outboards, axles, cv joints, just with the 914 transmission (mid engine).
This is not actually what i'm doing, because that would be insanity. But for all intentions of this thread, that is what i'm doing. |
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| tat2dphreak |
Oct 20 2009, 02:21 PM
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#4
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stoya, stoya, stoya Group: Benefactors Posts: 8,797 Joined: 6-June 03 From: Wylie, TX Member No.: 792 Region Association: Southwest Region  |
it's not that insane, but using a 901 out of a 911 will be easier, so you don't have 5 gears in reverse (IMG:style_emoticons/default/smile.gif)
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| tradisrad |
Oct 20 2009, 02:23 PM
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#5
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Senior Member Group: Members Posts: 985 Joined: 11-September 06 From: San Mateo, CA Member No.: 6,815 Region Association: Northern California |
my understanding is that the VW uses 6 bolts and the 914 uses 4 bolts and 2 roll pins. What I think people are doing is enlarging two of the bolt holes in the VW CV and installing the roll pins.
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| tat2dphreak |
Oct 20 2009, 03:16 PM
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#6
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stoya, stoya, stoya Group: Benefactors Posts: 8,797 Joined: 6-June 03 From: Wylie, TX Member No.: 792 Region Association: Southwest Region |
QUOTE(tradisrad @ Oct 20 2009, 03:23 PM)  my understanding is that the VW uses 6 bolts and the 914 uses 4 bolts and 2 roll pins. What I think people are doing is enlarging two of the bolt holes in the VW CV and installing the roll pins. (IMG:style_emoticons/default/agree.gif) |
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| mkincaid |
Oct 20 2009, 04:14 PM
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#7
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Newbie Group: Members Posts: 7 Joined: 3-September 09 From: Seattle Member No.: 10,757 Region Association: Pacific Northwest |
I've read this too. Thank you.
So other than the bolts and pins. The flange and bolt pattern diameters are ok? I really wish i had these parts in front of me at this point. Thanks again. |
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| GS Guy |
Oct 20 2009, 04:29 PM
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#8
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Member Group: Members Posts: 243 Joined: 8-July 04 From: Columbia, MD Member No.: 2,325 Region Association: North East States |
At least 3 or 4 on-line articles dealing with what you're wanting to do - use a Porsche trans in a VW Beetle based car.
Here's a start: http://www.blindchickenracing.com/How_to/C..._joints_101.htm Oops, just realized they don't include the 914 CV! Pretty sure it's almost same as a T1, except for 2 roll pins replace two opposing bolt locations? Jeff |
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