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Greg Ondayko
Supercharged
Joined: 27 Nov 2004
Posts: 2763
Location: IRWIN PA
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Post subject:
(Sun Mar 18, 2012 9:26 am)
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| Shaker223 wrote: | | I doubt it's the pinion angle. Most likely failure is a 40 year old drive shaft that was not meant to see this type of continued abuse. |
I hope you are Right Tom!
Greg |
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Romeo Furio
Turbo Slant 6
Joined: 04 Jan 2007
Posts: 796
Location: Boulder City Nevada
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Post subject:
(Sun Mar 18, 2012 10:05 am)
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| The guys at IE do a good job,they come to the Vegas event,, nice stuff.
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Romeo Furio
Turbo Slant 6
Joined: 04 Jan 2007
Posts: 796
Location: Boulder City Nevada
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Post subject:
(Sun Mar 18, 2012 10:11 am)
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| I just read the no snubber,,,,Maybe??. You can do that with SS springs but you have OE? front half clamped? Maybe , Just Maybe.......
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Greg Ondayko
Supercharged
Joined: 27 Nov 2004
Posts: 2763
Location: IRWIN PA
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Post subject:
(Sun Mar 18, 2012 10:36 am)
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| Romeo Furio wrote: | | I just read the no snubber,,,,Maybe??. You can do that with SS springs but you have OE? front half clamped? Maybe , Just Maybe....... |
Yep Front segment clamped - I can try 2 Clamps per spring on the front segment.
- It appeared to Pick up .1 of my 60' from my average... without the snubber.
Greg |
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terrylittlejohn
Turbo Slant 6
Joined: 17 May 2005
Posts: 953
Location: CBS Newfoundland Canada
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Greg Ondayko
Supercharged
Joined: 27 Nov 2004
Posts: 2763
Location: IRWIN PA
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Post subject:
Justin Case 3-18-12
(Sun Mar 18, 2012 3:38 pm)
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Terry and Tom, Yep I am hoping the Shaft started to flex a bit too much at high speed.
Funny thing is when the driveshaft exited my drivetrain the Slip yoke never came out of the trans 
Maybe the violent force of the shaft twisting caused the Bellhousing to break??
Here is the New Case for Ruster's 904 tranny V2.0 - Same internals (provided nothing is broken) will go from the broken trans into this one.
Thanks Dad For the Donor 904!
Greg |
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Exner Geek
EFI Slant 6
Joined: 20 Jul 2008
Posts: 381
Location: St. Louis Park, MN
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Post subject:
(Sun Mar 18, 2012 4:12 pm)
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| Greg, since the slip yoke didn't come out of the transmission where did it break off, the U joint itself or the plug in the drive shaft that holds the U joint? The bent driveshaft could have broken the transmission case before the U joint failed.
_________________
If you didn't drive it there, it's not a street car.
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slantzilla
Board Sponsor & Moderator
Joined: 17 Oct 2002
Posts: 9364
Location: Park Forest, Illinoisy
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Post subject:
(Sun Mar 18, 2012 4:20 pm)
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Looking at the driveshaft pictures I'd say the rear u-joint broke first. Things went downhill from there. Did it spread the rear yoke?
When tossing a driveshaft out it is not unusual for the bellhousing to break off the trans.
I did it in my Skylark and the car never even moved 2 feet off the line.
_________________
Proud supporter of Mike Jeffrey Racing Engines since 1999.
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terrylittlejohn
Turbo Slant 6
Joined: 17 May 2005
Posts: 953
Location: CBS Newfoundland Canada
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Post subject:
(Sun Mar 18, 2012 6:19 pm)
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don`t forget to check the tail shaft, i split mine just by losing the converter, real heavy vibration on big end 
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Greg Ondayko
Supercharged
Joined: 27 Nov 2004
Posts: 2763
Location: IRWIN PA
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Post subject:
Investegation 3-21-12
(Wed Mar 21, 2012 9:36 am)
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Well I was crawling under the car to measure for new driveshaft and Noticed on the rear Pinion yoke, that one of the Bearing caps& strap are still intact. The other side one of the bolts that holds the bearing cap and strap broke and the other one is just plain missing - not broke - not sheared - - nothing there..
I am assumming the bolt did not get tightned correctly - or enough locktite or something to that effect.
That's may fault.
It's a costly mistake, but I will learn from it.
From the looks of things the Bearing cap flew off and then the shaft whipped and crinkled from there..
The front of the shaft opened up and left the u joiint cross and the slip shaft inside the tranny..
Thanks guys - I will be inspecting everything when the tranny comes out to replace the front case.
Greg |
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Greg Ondayko
Supercharged
Joined: 27 Nov 2004
Posts: 2763
Location: IRWIN PA
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Post subject:
Remove Broken parts 4-5-12
(Thu Apr 05, 2012 7:54 pm)
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Hello Folks, I got A nice AL driveshaft ordered and soem new yokes too.
I am upgrading to the 1350 Series u Joints and it looks like I might not see any weight savings on this install  We'll see.
Currently I am inspecting the Trans and swapping the internals from the broken case to a New case. - I did Wipe the Pump Bushing so I will be getting one of those. and Possibly getting a New Park gear and I am trying to eliminate the Governor Assembly if Possible.
I will have to swap back to the other converter as the front of Trans was supported by the converter and input shaft.. this caused a crack in the pump drive on the converter. I am not going to put a Converter with a cracked pump drive in - I have had those go bad /crack on me before - Don't want any of that!
Here are some pics of the Broken Bellhousing/Trans Case:
Looks like everything in the sprag and rest of the trans survived okay - I am getting a bushing kit To replace the Wiped Front Pump Bushing and I want to put a tailshaft bushing on as well to be sure. I would like to eliminate the Governor Housing and swap to an Aluminum Park Gear to offset the Heavier 1350 u joints & yokes.
Greg |
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1974duster kev
Turbo Slant 6
Joined: 13 Jul 2007
Posts: 624
Location: clearwater florida
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Post subject:
(Thu Apr 05, 2012 8:33 pm)
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Carnage!
Kev_________________  |
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USAJon
Turbo EFI
Joined: 20 Feb 2008
Posts: 1075
Location: Silver Spring, Maryland U.S.A.
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Post subject:
(Thu Apr 05, 2012 10:41 pm)
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| do you know if a 727 slant six trans would have held up better ? |
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slantzilla
Board Sponsor & Moderator
Joined: 17 Oct 2002
Posts: 9364
Location: Park Forest, Illinoisy
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Post subject:
(Fri Apr 06, 2012 3:48 am)
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| USAJon wrote: | | do you know if a 727 slant six trans would have held up better ? |
Nope. When you toss a driveshaft it will break any trans.
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Proud supporter of Mike Jeffrey Racing Engines since 1999.
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THOR
Board Sponsor
Joined: 29 Feb 2008
Posts: 1470
Location: Keizer, Oregon
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nice run 
