 Tarrett Engineering High Performance Axle Set |
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| Phantommw |
 Jun 7 2024, 08:39 AM
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#1
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Newbie  Group: Members Posts: 1 Joined: 6-December 23 From: Los Angeles, CA Member No.: 27,778 Region Association: Southern California  |
I bought some HP Axles for my 1975 914 from Tarrett Engineering. I believe these are the ones Renegade use for their cars.
When I went to put them on though, I noticed that they were significantly shorter, even with the spacers on both ends. Anyone else have this issue? I haven't tried installing yet but wanted to make sure it will work because it looks like it won't.  |
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| bdstone914 |
Jun 7 2024, 09:18 AM
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#2
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bdstone914 Group: Members Posts: 4,693 Joined: 8-November 03 From: Riverside CA Member No.: 1,319 |
Are the CV joints fully extended on both sets of axles?
Call Tarrett. |
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| Montreal914 |
Jun 7 2024, 09:29 AM
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#3
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Senior Member Group: Members Posts: 1,684 Joined: 8-August 10 From: Claremont, CA Member No.: 12,023 Region Association: Southern California 
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I have a set of those axle. Currently the spacers are removed but I will try to do two measurements; extended and compressed and post here later today. My shafts are red.
BTW, those Tarret Engineering axles are actually using Loebro VW bus CVs PN 301137. These CVs are 100mm x 32mm with 33 splines. Adaptors are obviously custom machined and I don't know if the shafts are standard VW bus. It surely would make the whole thing easy to put together from available components if it was. I don't have a bus shaft on hand but I would be curious to compare the lengths. (IMG:style_emoticons/default/idea.gif) |
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| Montreal914 |
Jun 7 2024, 07:37 PM
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#4
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Senior Member Group: Members Posts: 1,684 Joined: 8-August 10 From: Claremont, CA Member No.: 12,023 Region Association: Southern California
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Measured from inside to inside:
Pushed in: ~15" Extended: ~16 3/4" Hope this helps! (IMG:style_emoticons/default/smile.gif)  |
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| Steve |
Jun 7 2024, 09:47 PM
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#5
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914 Guru Group: Members Posts: 5,697 Joined: 14-June 03 From: Orange County, CA Member No.: 822 Region Association: Southern California
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I had a set come loose in the SBC car I bought. No schnorr washers or locktite on the bolts. The pins got boogerd up a bit, so I bought a new set from Tarret. They bolted up same as the previous ones with no issues.
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| Chris914n6 |
Jun 7 2024, 11:29 PM
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#6
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Jackstands are my life. Group: Members Posts: 3,405 Joined: 14-March 03 From: Las Vegas, NV Member No.: 431 Region Association: Southwest Region |
According to the boots, the left side of the 914 axle is extended.
Yes, bus axles. |
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| rick 918-S |
Jun 8 2024, 06:46 AM
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#7
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Hey nice rack! -Celette Group: Members Posts: 20,723 Joined: 30-December 02 From: Now in Superior WI Member No.: 43 Region Association: Northstar Region 
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QUOTE(Chris914n6 @ Jun 8 2024, 12:29 AM)  According to the boots, the left side of the 914 axle is extended. Yes, bus axles. (IMG:style_emoticons/default/agree.gif) |
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| Montreal914 |
Jun 8 2024, 07:57 AM
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#8
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Senior Member Group: Members Posts: 1,684 Joined: 8-August 10 From: Claremont, CA Member No.: 12,023 Region Association: Southern California
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QUOTE(Steve @ Jun 7 2024, 08:47 PM) I had a set come loose in the SBC car I bought. No schnorr washers or locktite on the bolts. I have also read this elsewhere... (IMG:style_emoticons/default/dry.gif) I got the set with other parts. I haven't installed it yet (restoration (IMG:style_emoticons/default/rolleyes.gif) ), but I plan on looking at how to prevent the loosening... QUOTE(rick 918-S @ Jun 8 2024, 05:46 AM) Makes sense. Great! All "family" and stock components except the adapters. (IMG:style_emoticons/default/sunglasses.gif) To the OP: Not sure why but your shafts seem different (other than color). There doesn't seem to be any locating humps on them to set the small end of the boot. (IMG:style_emoticons/default/confused24.gif) |
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| technicalninja |
Jun 8 2024, 08:40 AM
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#9
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Senior Member Group: Members Posts: 1,945 Joined: 31-January 23 From: Granbury Texas Member No.: 27,135 Region Association: Southwest Region
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I'm a HUGE believer in Loctite...
Only real problem in this application is the bolts and threaded holes have to be SPOTLESS for the stuff to work. I WOULD NOT use red here, blue ONLY! I'd ALSO use brand new Schnorr washers... On something high powered I might have them drilled and use safety wire (aircraft style). The safety wire is the ONLY really trustable way, but it is such a PIA to work with. I would NOT install the safety wire until I was sure I was truly done... Removing that stuff after you install it properly is "practice bleeding" difficult. |
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