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09-27-2008, 04:16 PM
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Senior Club Cobra Member
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Join Date: Jul 2006
Location: McKinney,
TX
Cobra Make, Engine: ERA GT #2077, 331 SBF, Webers, Gurney Eagle heads
Posts: 1,275
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Not Ranked
Cracked TKO Housing :(
I think I did this when bolting up the tranny with the input shaft not properly centered in the clutch disc .. stoopid! It leaks tranny fluid like a hose! I highlighted the hairline crack with pencil lead so it would photo.
What's the best fix here? Should I have the entire housing replaced? Or is it weldable. If it's weldable, would I have to have the tranny disassembled so they could weld the inside of the crack?
thanks!
Sam
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09-27-2008, 04:47 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 21,970
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Not Ranked
I think that should come under your warranty. Contact whoever you bought it from and ask to exchange it for a new one. <seriously>
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09-27-2008, 04:47 PM
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CC Member
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Join Date: Nov 2003
Location: New Britain,
CT
Cobra Make, Engine: Size 10 Feet
Posts: 3,004
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Not Ranked
The only proper way to weld such a thick section is with pre-heating, so yes - the transmission will have to be completely disassembled.
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09-27-2008, 04:57 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 21,970
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Not Ranked
or...
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09-27-2008, 07:31 PM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,394
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Not Ranked
or...
LOL....sorry couldn't help myself
__________________
www.lykinsmotorsports.com
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09-27-2008, 07:45 PM
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CC Member
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Join Date: Feb 2006
Location: Gilroy,
CA
Cobra Make, Engine: SPF 2291, Whipple Blown & Injected 4V ModMotor
Posts: 2,700
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Not Ranked
Cracked TKO Hsg.
You may be better off with a replacement case.
As strictlypersonl pointed out, with section thicknesses like this, disassembly and preheating will be necessary. When the welding process has been completed you run the risk of case distortion that may require re machining. In the long run the replacement route may be both simpler and more psychologically comfortable after you are done.
The upside (if there is one) is that the transmission is not difficult to take apart and put back together and it is a great educational experience that will give you an intimate understanding of how it works.
Ed
__________________
Help them do what they would have done if they had known what they could do.
Last edited by eschaider; 09-27-2008 at 07:46 PM..
Reason: bad english
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09-27-2008, 07:48 PM
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CC Member
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Join Date: Mar 1999
Location: penn.,
Posts: 2,558
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Not Ranked
All is not lost, I'll buy your cracked case.
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09-27-2008, 07:48 PM
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Beam Me Up Scottie
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Join Date: Aug 2004
Location: Squantum (part of Quincy),
MA
Cobra Make, Engine: SPF1049 Titanium w/black stripes, 351W with Trick Flow Heads, Tremec 3550
Posts: 7,592
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Not Ranked
or ....
__________________
Warren
'Liberals are maggots upon the life of this planet and need to get off at the next rotation.' (Jamo 2008)
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09-27-2008, 07:54 PM
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Beam Me Up Scottie
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Join Date: Aug 2004
Location: Squantum (part of Quincy),
MA
Cobra Make, Engine: SPF1049 Titanium w/black stripes, 351W with Trick Flow Heads, Tremec 3550
Posts: 7,592
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Not Ranked
You should really contact someone who rebuilds trannys for a living. Anything can be welded, but it would have to be dis-assembled and really cleaned ... and welded by someone who has done that kind of welding before. Thats a very heavy part of the case.
__________________
Warren
'Liberals are maggots upon the life of this planet and need to get off at the next rotation.' (Jamo 2008)
Last edited by wtm442; 09-27-2008 at 08:02 PM..
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09-27-2008, 07:55 PM
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CC Member
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Join Date: Oct 2002
Location: Eagle,
Ne.
Cobra Make, Engine: 1966 Lone Star 427SC.
Posts: 4,307
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Not Ranked
Take it to a good Tig welder. He can drill hole's at the ends of the cracks, groove the cracks, then Tig it all. Grind and smooth the area for appearance.
__________________
Regards,
Kevin
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09-27-2008, 08:07 PM
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Beam Me Up Scottie
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Join Date: Aug 2004
Location: Squantum (part of Quincy),
MA
Cobra Make, Engine: SPF1049 Titanium w/black stripes, 351W with Trick Flow Heads, Tremec 3550
Posts: 7,592
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Not Ranked
or ...
Sorry ...
I can remember when I missed a shift into 3rd gear in my 6 month old Olds 442. Destroyed everything. Case was even warped. Thankfully, it was replaced under warranty. The worst part was not driving the car for almost 2 weeks while the dealer squabbled with the factory.
__________________
Warren
'Liberals are maggots upon the life of this planet and need to get off at the next rotation.' (Jamo 2008)
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09-27-2008, 08:14 PM
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Beam Me Up Scottie
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Join Date: Aug 2004
Location: Squantum (part of Quincy),
MA
Cobra Make, Engine: SPF1049 Titanium w/black stripes, 351W with Trick Flow Heads, Tremec 3550
Posts: 7,592
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Not Ranked
Just remembered a CC member, Jimi G from Standard Transmission Gear answers a lot of tranny questions.
Why not give him a call?
http://www.standardtransmission.com/
__________________
Warren
'Liberals are maggots upon the life of this planet and need to get off at the next rotation.' (Jamo 2008)
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09-28-2008, 06:44 AM
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Senior Club Cobra Member
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Join Date: Jul 2006
Location: McKinney,
TX
Cobra Make, Engine: ERA GT #2077, 331 SBF, Webers, Gurney Eagle heads
Posts: 1,275
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Not Ranked
I appreciate all the levity  I need some laughs .. yes I'm going to call Jimi and see about a case swap. I bought the unit from him and their shop is an hour drive from here. I don't want to try to learn how to build a TKO one week before Run n Gun .. I need a quick, reliable fix.
thanks,
Sam |
09-28-2008, 07:06 AM
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Member of the north
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Join Date: May 2003
Cobra Make, Engine: A Cobra
Posts: 11,207
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Not Ranked
Contact Jimi at Standard Trans and ask what they would charge to swap the case.
It may be less than you think.
Just my $0.02 worth.
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09-28-2008, 10:23 AM
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CC Member / Sponsor
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Join Date: Oct 2003
Cobra Make, Engine:
Posts: 808
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Not Ranked
SSSammy,
I cracked one of my first TKO's the same way. A friend of mine is an exceptional welder and he welded it up for me. Never leaked again. This will require you to take the tranny apart, but it will be cheaper than a new case.
Bill
__________________
Squeaky wheel always gets the grease!!
www.gcperf.com
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