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04-05-2008, 07:26 PM
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Senior Club Cobra Member
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Join Date: Jun 2005
Location: Scottsdale,
az
Cobra Make, Engine: Bought an Exact carbon car in TX. Bought a 427 sideoiler with 630 HP
Posts: 1,714
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Not Ranked
3550 tranny leaking
I have a TR3550 bolted to a lakewood bellhousing. I noticed tonight that its leaking transmission fluid from the block plate area. (the size of a dollar bill). Not a small leak.
Front seal but what could have caused the failure.
http://www.clubcobra.com/photopost/s...1&ppuser=23378
Malignment of the Lakewood, Seal failure? HELP. I recall asking a question months ago about dialing in an older style Lakewood and since this wasn't the newer style the offset dowels didn't apply.
John
__________________
double ugly
The average fighter pilot, despite the sometimes swaggering exterior, is very much capable of such feelings as love, affection, intimacy and caring. These feelings just don't involve anybody else.
Last edited by double ugly; 04-06-2008 at 01:48 PM..
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04-11-2008, 06:42 PM
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CC Member
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Join Date: Jul 2005
Location: Tulsa,
ok
Cobra Make, Engine: Lonestar, 427 Center Oiler
Posts: 352
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Not Ranked
If it matters, I have the same leak, only with a stocker bellhousing on my 427 centeroiler. I was pulling the trans tonight and found that speedo sensor has to come off but I don't know how to remove it after I pulled the screw on that little clip.
I attributed my seal leak to age, car is 9 years old with 8200 miles.
Mat
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04-11-2008, 07:08 PM
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CC Member
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Join Date: Nov 1999
Location: Las Vegas,
NV
Cobra Make, Engine: Classic Roadster; 351W
Posts: 743
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Not Ranked
heat and age. You live in the desert like me. How old is the unit? front seal may just been done.
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04-11-2008, 11:48 PM
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Senior Club Cobra Member
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Join Date: Jun 2005
Location: Scottsdale,
az
Cobra Make, Engine: Bought an Exact carbon car in TX. Bought a 427 sideoiler with 630 HP
Posts: 1,714
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Not Ranked
Less than 1000 miles in 6 months. Pulled the tranny and took the front cover off. The seal seemed OK as it wasn't wet. The Permatex around the inside of the cover didn't seem to have the continuity I would have expected. We'll check the dialing in of the bellhousing next..
John
__________________
double ugly
The average fighter pilot, despite the sometimes swaggering exterior, is very much capable of such feelings as love, affection, intimacy and caring. These feelings just don't involve anybody else.
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04-12-2008, 09:15 AM
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CC Member
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Join Date: Apr 2005
Location: Tucson,
AZ
Cobra Make, Engine:
Posts: 5,390
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Not Ranked
If the bellhousing isn't in alignment, it can cause the seal to go out quickly.
One thing that I think is important when aligning the bellhousing; make sure you can duplicate the readings as you turn the flywheel a second time. I always turn the flywheel 360 degrees at least twice, making sure I get the same readings both times. If you don't, the tool might be moving giving you false readings.
Larry
Last edited by LMH; 04-13-2008 at 07:42 AM..
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04-13-2008, 05:12 AM
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CC Member
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Join Date: Jul 2005
Location: Virginia Beach, Va & Port Charlotte, Fl.,
Posts: 2,280
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Not Ranked
Not really about your oil leak..
Are you using the 3550 w/a 630 hp FE?? If so, you've really got a tickin' tranny time bomb. You're cranking about one and a half times the torgue that the 3550's rated at. The oil leak could be a prelude to a catastrophic failure, then again not.. If you have street tires, not drag radials, track tires etc it may survive. I guess what I'm getting to is this may be an opportune time to shift to a TKO600. You can then fix the oil leak once the tranny's out and sell it to revover some of the TKO600's costs. I'm not saying "This is the only thing you shoud do." but... it bears consideration.
Dave
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Too many toys?? never!
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04-13-2008, 04:55 PM
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Senior Club Cobra Member
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Join Date: Jun 2005
Location: Scottsdale,
az
Cobra Make, Engine: Bought an Exact carbon car in TX. Bought a 427 sideoiler with 630 HP
Posts: 1,714
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Not Ranked
If the intention was to race or track the car the tranny would go when sticky tires were added. I appreciate the heads up Dave.
John
__________________
double ugly
The average fighter pilot, despite the sometimes swaggering exterior, is very much capable of such feelings as love, affection, intimacy and caring. These feelings just don't involve anybody else.
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04-13-2008, 09:55 PM
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CC Member
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Join Date: Sep 2003
Location: Pleasanton,
CA
Cobra Make, Engine: CSX4771-CF. 1966 427 S/O
Posts: 197
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Not Ranked
So D U what did you find? You mentioned your seal seems ok. If that is the case where is the leak coming from? I just noticed a leak under my car and I believe its my Tranny (TKO600). Mine only has 5000 miles on it, damn I hope it is not my trans. It is a ***** to pull.
Mike
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Rubber peelin' gears a jammin'!
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05-03-2008, 05:44 PM
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Senior Club Cobra Member
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Join Date: Jun 2005
Location: Scottsdale,
az
Cobra Make, Engine: Bought an Exact carbon car in TX. Bought a 427 sideoiler with 630 HP
Posts: 1,714
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Not Ranked
Well, the bellhousing hadn't been dialed in and was off .018. Anybody know what the TR 3550 came on? NAPA needs to know so I can replace the input shaft seal.
John.
__________________
double ugly
The average fighter pilot, despite the sometimes swaggering exterior, is very much capable of such feelings as love, affection, intimacy and caring. These feelings just don't involve anybody else.
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05-03-2008, 06:08 PM
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Senior Club Cobra Member
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Join Date: May 2001
Location: Florence,
AL
Cobra Make, Engine: RCR GT 40 & 1966 Fairlane 390 5 speed
Posts: 4,511
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Not Ranked
where to buy
Call this company. I had this link in my file.
http://www.moderndriveline.com/Techn...its/tremec.htm
I have bought several trannies from D&D Performance, great people to do business with. Check with them.
One of these companies should be able to give you a part number so you can buy the seal locally. You can take the old seal to a real parts store or a industrial bearing/ seal supply house. They should be able to match it.
http://www.ddperformance.com/
Dwight
__________________
''Life's tough.....it's even tougher if you're stupid.'' ~ John Wayne
"Happiness Is A Belt-Fed Weapon"
life's goal should be; "to be smarter than inanimate objects"
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05-03-2008, 11:35 PM
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CC Member
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Join Date: Dec 2001
Location: San Diego,
CA
Cobra Make, Engine:
Posts: 2,977
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John your timing is perfect. I just installed one this morning in my TKO600.
Go to Napa and ask for a Transmission seal CR 3638. It will cross to a CR 11111 part number. Or ask for National P/N 482-208
It's a pretty common seal.
Also added some sealer around the edge of the snout. (don't block the breather hole).
__________________
Remember, It's never too early to start beefing up your obituary.
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05-04-2008, 05:52 AM
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Senior Club Cobra Member
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Join Date: Jun 2005
Location: Scottsdale,
az
Cobra Make, Engine: Bought an Exact carbon car in TX. Bought a 427 sideoiler with 630 HP
Posts: 1,714
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Not Ranked
Are the input shafts on a TKO and 3550 the same diameter?
Thanks, John
__________________
double ugly
The average fighter pilot, despite the sometimes swaggering exterior, is very much capable of such feelings as love, affection, intimacy and caring. These feelings just don't involve anybody else.
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05-04-2008, 09:38 AM
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CC Member
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Join Date: Dec 2001
Location: San Diego,
CA
Cobra Make, Engine:
Posts: 2,977
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Not Ranked
I believe they are.
__________________
Remember, It's never too early to start beefing up your obituary.
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05-04-2008, 01:27 PM
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CC Member
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Join Date: Mar 2004
Cobra Make, Engine: spf 2112 *427 stroker windsor
Posts: 328
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Not Ranked
Hello John; If your bellhousing was not dialed in by 18 thou, did you not notice any strange vibrations or shift problems with it being out .
Regards Carmine
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05-04-2008, 01:47 PM
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Senior Club Cobra Member
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Join Date: Jun 2005
Location: Scottsdale,
az
Cobra Make, Engine: Bought an Exact carbon car in TX. Bought a 427 sideoiler with 630 HP
Posts: 1,714
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Not Ranked
I didn't notice any issues at all. The tranny initially couldn't find reverse but resolved on it's own. Crazy. I wonder if any problems "down the road" will rear their ugly head.
John
__________________
double ugly
The average fighter pilot, despite the sometimes swaggering exterior, is very much capable of such feelings as love, affection, intimacy and caring. These feelings just don't involve anybody else.
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05-05-2008, 03:26 PM
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Senior Club Cobra Member
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Join Date: Jun 2005
Location: Scottsdale,
az
Cobra Make, Engine: Bought an Exact carbon car in TX. Bought a 427 sideoiler with 630 HP
Posts: 1,714
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Not Ranked
After talking to Bruce at d&d I ordered a seal from them. Great guy. Two daying it no charge but I bought from them before. The seal is from a 1995 Mustang Cobra R model.
John
__________________
double ugly
The average fighter pilot, despite the sometimes swaggering exterior, is very much capable of such feelings as love, affection, intimacy and caring. These feelings just don't involve anybody else.
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