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Trans too full? #1291381
08/25/12 10:14 PM
08/25/12 10:14 PM
Joined: Jan 2003
Posts: 549
Bristol, Va
fasteddie Offline OP
mopar
fasteddie  Offline OP
mopar

Joined: Jan 2003
Posts: 549
Bristol, Va
727 trans is about 1/2 inch above the full mark. Is that enough to make it blow out the vent? Factory vent in bell housing.

Thanks


2003 Bristol Dragway Sportsman Champion

2016 Bristol Dragway Power Hour Champion
Re: Trans too full? [Re: fasteddie] #1291382
08/25/12 10:25 PM
08/25/12 10:25 PM
Joined: Feb 2003
Posts: 3,456
Out West
4
408strokerdart Offline
master
408strokerdart  Offline
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4

Joined: Feb 2003
Posts: 3,456
Out West
Yes. Always better to be a little under it rather than over it.

Re: Trans too full? [Re: 408strokerdart] #1291383
08/25/12 11:55 PM
08/25/12 11:55 PM
Joined: Aug 2003
Posts: 43,905
Bend,OR USA
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Cab_Burge Offline
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Bend,OR USA
Quote:

Yes. Always better to be a little under it rather than over it.


Especially if your running a dep pan I run the Mopar steel dep pans and try to run it at the add line when cold or between the bottom of the dipstick and the add line when hot, whatever turns your crank As long as it is showing on the stick in nuetral with the motor running your probally good


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: Trans too full? [Re: Cab_Burge] #1291384
08/26/12 08:55 AM
08/26/12 08:55 AM
Joined: Aug 2003
Posts: 1,385
Ohio
rck850 Offline
pro stock
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Joined: Aug 2003
Posts: 1,385
Ohio
Quote:

Quote:

Yes. Always better to be a little under it rather than over it.


Especially if your running a dep pan I run the Mopar steel dep pans and try to run it at the add line when cold or between the bottom of the dipstick and the add line when hot, whatever turns your crank As long as it is showing on the stick in nuetral with the motor running your probally good




Well I'm pretty sure I just figured out where my slight leak is coming from. Thanks
So as long as I have some showing on the stick with the deep mopar pan I'm good?

Re: Trans too full? [Re: rck850] #1291385
08/26/12 09:09 AM
08/26/12 09:09 AM
Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY Offline
Master
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Posts: 52,972
Romeo MI
I try to keep it between the add line and half way
to full

Re: Trans too full? [Re: Cab_Burge] #1291386
08/26/12 09:43 AM
08/26/12 09:43 AM
Joined: Nov 2010
Posts: 914
tn
R
robnbird Offline
super stock
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Posts: 914
tn
Quote:

Quote:

Yes. Always better to be a little under it rather than over it.


Especially if your running a dep pan I run the Mopar steel dep pans and try to run it at the add line when cold or between the bottom of the dipstick and the add line when hot, whatever turns your crank As long as it is showing on the stick in nuetral with the motor running your probally good


with a 8" converter and a deep pan how much would you guess to it would hold ....Cab

Last edited by robnbird; 08/26/12 11:01 AM.
Re: Trans too full? [Re: robnbird] #1291387
08/26/12 01:10 PM
08/26/12 01:10 PM
Joined: Aug 2003
Posts: 43,905
Bend,OR USA
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Cab_Burge Offline
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Joined: Aug 2003
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Bend,OR USA
Quote:

Quote:

Quote:

Yes. Always better to be a little under it rather than over it.


Especially if your running a dep pan I run the Mopar steel dep pans and try to run it at the add line when cold or between the bottom of the dipstick and the add line when hot, whatever turns your crank As long as it is showing on the stick in nuetral with the motor running your probally good


with a 8" converter and a deep pan how much would you guess it would hold ....Cab


I had my trans out recently to fix a leak, I drain the trans pan and then removed and filled the converter up completely to do a air test to see if the converter was causing the leak. I replaced the rubber O ring and the paper gasket on the front pump and removed some of the fluid from the converter to install it into the trans, I still spilt some. I put 7 quarts in the trans and started it up before checking it with less type F fluid, it was over the full mark idling cold I drained around half a quart out and it is now above the add line and below the full mark warm My meassage is with a deep pan and a new 8 inch converter I would put one quart in the converter before installing it into the trans. and six quarts in the trans and then warm it up and check it

Last edited by Cab_Burge; 08/26/12 06:47 PM.

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: Trans too full? [Re: Cab_Burge] #1291388
08/26/12 01:24 PM
08/26/12 01:24 PM
Joined: Jan 2003
Posts: 549
Bristol, Va
fasteddie Offline OP
mopar
fasteddie  Offline OP
mopar

Joined: Jan 2003
Posts: 549
Bristol, Va
Quote:

Quote:

Yes. Always better to be a little under it rather than over it.


Especially if your running a dep pan I run the Mopar steel dep pans and try to run it at the add line when cold or between the bottom of the dipstick and the add line when hot, whatever turns your crank As long as it is showing on the stick in nuetral with the motor running your probally good




Thanks for the replies. Yes it does have a steel deep pan with the cooling ports. We put one qt in the converter and 6 qts in the pan and it shows about 1/2 inch above full cold. We had the trans out because we had a bad leak in the bell housing. We found the converter cracked at the mounting lugs and a crack in the hub. Had trans guy change all the seals, put in a fresh rebuilt JW converter. Still leaking from the bell housing.

I hope it's just too full. I'm going to drain about a qt and see if it still leaks.

Any other ideas? Is there anything in the trans that could go bad to make it leak out the vent?

Thanks


2003 Bristol Dragway Sportsman Champion

2016 Bristol Dragway Power Hour Champion
Re: Trans too full? [Re: fasteddie] #1291389
08/26/12 07:45 PM
08/26/12 07:45 PM
Joined: Aug 2008
Posts: 4,169
Mo.
racerx Offline
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Posts: 4,169
Mo.
I'll be watching this thread closely as i also have a bell housing leak that giving me fits Cab care to share your method for presure testing a converter?Sorry not trying to hi-jack.

Re: Trans too full? [Re: racerx] #1291390
08/26/12 07:48 PM
08/26/12 07:48 PM
Joined: Nov 2009
Posts: 3,410
Belpre,Ohio
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CHAPPER Offline
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Posts: 3,410
Belpre,Ohio


If you like drag racing, support your local track.
Re: Trans too full? [Re: CHAPPER] #1291391
08/26/12 09:09 PM
08/26/12 09:09 PM
Joined: Jan 2003
Posts: 549
Bristol, Va
fasteddie Offline OP
mopar
fasteddie  Offline OP
mopar

Joined: Jan 2003
Posts: 549
Bristol, Va
We drained about a qt out of it so was between the lines cold. Started it and it still leaks, even when there is nothing on the dipstick. Trans comes out tomorrow (hopefully)
mopar race is this weekend at Bristol.


2003 Bristol Dragway Sportsman Champion

2016 Bristol Dragway Power Hour Champion
Re: Trans too full? [Re: fasteddie] #1291392
08/26/12 09:25 PM
08/26/12 09:25 PM
Joined: Oct 2010
Posts: 2,428
Ambridge, Pa.
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rickraw Offline
top fuel
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Posts: 2,428
Ambridge, Pa.
did u check the dip stick calibration. it could be wrong. just something to check first.

Re: Trans too full? [Re: rickraw] #1291393
08/27/12 08:13 PM
08/27/12 08:13 PM
Joined: Jan 2003
Posts: 549
Bristol, Va
fasteddie Offline OP
mopar
fasteddie  Offline OP
mopar

Joined: Jan 2003
Posts: 549
Bristol, Va
Been using the same dipstick for years. Thanks for the reply.

Trans is out. I don't see anything wrong, or missing, or cracked. It goes to the trans shop in the AM.

I think I can still make the Mopar race this weekend.


2003 Bristol Dragway Sportsman Champion

2016 Bristol Dragway Power Hour Champion
Re: Trans too full? [Re: racerx] #1291394
08/27/12 09:50 PM
08/27/12 09:50 PM
Joined: Aug 2003
Posts: 43,905
Bend,OR USA
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Cab_Burge Offline
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Quote:

I'll be watching this thread closely as i also have a bell housing leak that giving me fits Cab care to share your method for presure testing a converter?Sorry not trying to hi-jack.


I use a cable testing end I rescued, borrowed for pressurizing telephone cables on the cable reels from the telephone company I use to work for, we would throw them away after installing the cables on the poles or into the conduits, see the picture They came in all sizes, I use them to pressurised a lot of things like radiators, motors, torque converters and so on. I wish that I had save more of them

7353476-MVC-039S.JPG (51 downloads)

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: Trans too full? [Re: Cab_Burge] #1291395
08/27/12 10:35 PM
08/27/12 10:35 PM
Joined: Jul 2008
Posts: 70
Calif, USA
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viperrt Offline
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Calif, USA
We were pulled off the line at the 2011 Mopars at the Strip for a transmission leak. Pulled the 727 returned it to ProTrans who went through it. Bottom line we overfilled the trans!!!

Re: Trans too full? [Re: viperrt] #1291396
08/28/12 10:38 PM
08/28/12 10:38 PM
Joined: Jan 2003
Posts: 549
Bristol, Va
fasteddie Offline OP
mopar
fasteddie  Offline OP
mopar

Joined: Jan 2003
Posts: 549
Bristol, Va
Quote:

We were pulled off the line at the 2011 Mopars at the Strip for a transmission leak. Pulled the 727 returned it to ProTrans who went through it. Bottom line we overfilled the trans!!!




I had hoped that is all it was, but even after draining some fluid out it still leaks.

Didn't get the trans to the shop until about 4pm and he didn't have time to look at it today. He said tomorrow morning he will look at it.


2003 Bristol Dragway Sportsman Champion

2016 Bristol Dragway Power Hour Champion
Re: Trans too full? [Re: fasteddie] #1291397
08/29/12 09:02 AM
08/29/12 09:02 AM
Joined: Aug 2008
Posts: 4,169
Mo.
racerx Offline
master
racerx  Offline
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Posts: 4,169
Mo.
Thaxs...Cab.4 the ideals on fabing something up on the conv.


Fasteddie let us no what your trans guy come up with on that transmission.







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