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halbug
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Joined: March 09, 2006
Posts: 455
Location: Germany
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 Posted: Wed Jul 09, 2014 1:38 pm Post subject: Need help with new Quaife |
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I have bought a new Quaife Differential (VW Beetle IRS with 33 splines). The unit came last week. When I slip the drive flange on the splined shafts of the diff, I have plenty of clearance between the parts. The outside radius wobbles approx. 1-2 Millimeter and I can feel a backlash when rocking the flange on the shaft back and forth 
On my VW Differential there is no clearance at all and I have to move the flange with slight tabs of a hammer.
Anyone on here installed one before? Did you experience the same?
The dealer I bought it from does not think it is right but Quaife claims everything OK 
Thanks for your help
halbug
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Bruce
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Location: Left coast, Canada
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| Posted: Wed Jul 09, 2014 2:25 pm Post subject: Re: Need help with new Quaife |
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| halbug wrote: |
| .... but Quaife claims everything OK |
My friend had a Quaife that had .12mm of runout on the ring gear flange. Quaife thought that was OK too.
Normally, any play with the splines is due to a worn out flange. The stub axle of the side gear is hardened and the flanges are not, so they take the wear. Do you have other flanges to try? Test all of your flanges on as many stock VW side gears as you can find. If all of your flanges are tight on all of the VW side gears, that proves the Quaife was made wrong.
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| overheard at the portland Swap Meet... wrote: |
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halbug
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Location: Germany
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modok
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Joined: October 30, 2009
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Location: Colorado Springs
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| Posted: Wed Jul 09, 2014 4:17 pm Post subject: |
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| My flanges are loose also. I haven't worried about it, but yeah it would be nice if it was a bit tighter. |
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halbug
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gears
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Joined: October 28, 2002
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Location: Tamarack, Bend, Kailua
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| Posted: Thu Jul 10, 2014 4:56 pm Post subject: |
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Loose spline fit will of course wear the flanges more rapidly.
Gary Peloquin will be making Type I IRS TBDs some time, perhaps this year. I'm quite certain these will be of higher quality.
_________________
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9.36 @ 146 in '86 Hot & Sticky
'90 Syncro Westy SVX
'87 Syncro GL 2.5
https://guardtransaxle.com
Last edited by gears on Thu Jul 10, 2014 6:06 pm; edited 1 time in total |
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modok
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| Posted: Thu Jul 10, 2014 5:05 pm Post subject: |
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in the short term it should be fine but yeah I agree it will wear faster. how fast is faster?? They rarely wear out anyway. Never even seen it happen, but I'm sure they do.
It's in my mountain buggy, only a 1904cc built for low rpm. Probably 2000 miles on it.
Pulled the trans last month because reverse died. Need it back in there. handling just feels LOOSE with an open diff now  |
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halbug
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gears
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Location: Tamarack, Bend, Kailua
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| Posted: Fri Jul 11, 2014 11:02 am Post subject: |
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Gary Peloquin really takes pride in his TBDs. I've installed a few of his Vanagon ones, and they are VERY high quality. Unfortunately, no Type I IRS diff yet .. but it is in the works. (There are high quality GT swingaxle TBDs available, though ... )
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aka Pablo, Geary
9.36 @ 146 in '86 Hot & Sticky
'90 Syncro Westy SVX
'87 Syncro GL 2.5
https://guardtransaxle.com |
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modok
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| Posted: Fri Jul 11, 2014 4:40 pm Post subject: |
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| halbug wrote: |
Sounds like this is a general issue with the Quaife? Dissappointing Really thought this thing is higher quality. I do not like either that they do not support the thrust loads with a shoulder like VW does.
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Well....keep an open mind here. VW made the splines too tight and the shoulder that supports this "thrust load"?? is too sharp and that's where they break. In fact I'm VERY sure that in the splines being slightly loose makes them STRONGER. Now, imagine the splines twisting. Of course they will twist when a big torque is applied!! All things flex.
If the splines are "german" tight then the can't twist at all,and all the load will be concentrated in the splines right by the shoulder and SNAP.
Give things a little clearance and they won't snap.
Instead of worrying about it you go ahead and TRY AND BREAK IT. and if you DO then you can put on a new flange in 20 minutes. What the heck is there to worry about 
I agree it's a bit looser than it should be but being too tight isn't good either. And as a machinist if the diff surface has much more than a few thou runout then somebody needs a slap in the back of the head but that's another matter. Have to be careful about where to draw the line, look too close and everything is crap  but it isn't |
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halbug
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| Posted: Sat Jul 12, 2014 11:54 am Post subject: |
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Hi Glen,
interesting view! You seem to be liking the Quaife? Well, I do know some about how to design mechanical parts and basklash between splined parts just didn't feel right  - in theory  But I have no experiece with breaking diffs like you do. So, you think I should just put it in. Maybe I should - after all, there are a lot of them arround. I was just wondering if I had a bad one ond ather Quaifes are tighter. It seems they have a good quality control and they are all alike 
My car will see many "Autobahn" miles and wear and breaking parts somewhere far wouldn't be fun. I need to ponder about it some more...
Hi gears,
I do have some time with my trans, so I may give Gary a call to see what his plans are. Do you have experience with the Quaife as well?
Thanks to both of you!!!
Lars
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mark tucker
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| Posted: Sat Jul 12, 2014 12:09 pm Post subject: |
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| for my 2 cents,it sounds like crap to me. but possiably they have a run out issue and thats thier way of dealing with it......off balance wobble in the drive train isant a nice thing to have. |
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gears
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Location: Tamarack, Bend, Kailua
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| Posted: Sat Jul 12, 2014 3:38 pm Post subject: |
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| halbug wrote: |
gears... Do you have experience with the Quaife as well? |
They cleaned up their machine work over 10 years ago, but this is what we used to find inside a brand new one ..
_________________
aka Pablo, Geary
9.36 @ 146 in '86 Hot & Sticky
'90 Syncro Westy SVX
'87 Syncro GL 2.5
https://guardtransaxle.com |
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halbug
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Location: Germany
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| Posted: Wed Jul 16, 2014 3:28 pm Post subject: |
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Tried to get some feedback from Quaife through my local Quaife dealer - they are very incorporative! Asking if I have ordered the wrong diff ???
Gary says he has everything ready except the housing, hoping to get to it soon?!? So I am leaning towards sending Quaife back and waiting on Gary
If push comes to shove I may use an original diff for an interrim.
All, thanks for your input on this. Anyone else reading this having an opinion, feel free to post.
Cheers halbug
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halbug
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FRNKNSTNGHIA
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Joined: March 05, 2010
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Location: Kissimmee, FL
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| Posted: Fri May 29, 2015 5:22 pm Post subject: |
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| Didnt see the above Peloquin differential on the website. Anywhere I can find more information? Pricing? Availability? |
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trbugman
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| Posted: Fri May 29, 2015 7:21 pm Post subject: |
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Rancho had an add for them. I don't know why it was removed down.
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fuguboy
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Joined: December 14, 2004
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| Posted: Fri May 29, 2015 11:03 pm Post subject: |
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| gears wrote: |
| Gary Peloquin really takes pride in his TBDs. I've installed a few of his Vanagon ones, and they are VERY high quality. Unfortunately, no Type I IRS diff yet .. but it is in the works. (There are high quality GT swingaxle TBDs available, though ... ) |
Can we get more info on the swingaxle TBDs ? |
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gears
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Location: Tamarack, Bend, Kailua
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| Posted: Sat May 30, 2015 9:21 am Post subject: |
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ERCO is just about out of them, and it's doubtful we'll be offering these any longer.
_________________
aka Pablo, Geary
9.36 @ 146 in '86 Hot & Sticky
'90 Syncro Westy SVX
'87 Syncro GL 2.5
https://guardtransaxle.com |
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fuguboy
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| Posted: Mon Jun 01, 2015 2:42 am Post subject: |
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Bummahs  |
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