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727 lock up #1101024
10/24/11 08:23 PM
10/24/11 08:23 PM
Joined: Mar 2007
Posts: 146
Nuevo leon,mexico,Monterrey
asesino Offline OP
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asesino  Offline OP
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Nuevo leon,mexico,Monterrey
Hi, can someone tell me how many rpm begins to operate the lock up in a 727 transmission thanks


xASESINOx
Re: 727 lock up [Re: asesino] #1101025
10/24/11 09:34 PM
10/24/11 09:34 PM
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Florida
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scratchnfotraction Offline
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should loc up around the 40-45 MPH

they run the loc up off the hydrolic pressure as it get up to speed.

Re: 727 lock up [Re: scratchnfotraction] #1101026
10/25/11 11:36 AM
10/25/11 11:36 AM
Joined: Mar 2007
Posts: 146
Nuevo leon,mexico,Monterrey
asesino Offline OP
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Quote:

should loc up around the 40-45 MPH

they run the loc up off the hydrolic pressure as it get up to speed.


thanks then operate trough mph. How many difference feels to a 727 non lock up? To 40-45 mph


xASESINOx
Re: 727 lock up [Re: asesino] #1101027
10/25/11 12:10 PM
10/25/11 12:10 PM
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U.S.S.A.
JohnRR Offline
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What year is the transmission/car you are asking about ?

Re: 727 lock up [Re: JohnRR] #1101028
10/25/11 02:43 PM
10/25/11 02:43 PM
Joined: Mar 2007
Posts: 146
Nuevo leon,mexico,Monterrey
asesino Offline OP
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asesino  Offline OP
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Quote:

What year is the transmission/car you are asking about ?


the transsmision was for a ram 90 and the car is a 71 charger with 318


xASESINOx
Re: 727 lock up [Re: asesino] #1101029
10/25/11 03:08 PM
10/25/11 03:08 PM
Joined: Jan 2003
Posts: 25,817
Rio Linda, CA
John_Kunkel Online content
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The rpm drop at converter lockup will be about 200 rpm.

A '90 Ram with a 727 wouldn't have a lockup converter and a '71 wouldn't either, only '78 and later.


The INTERNET, the MISinformation superhighway
Re: 727 lock up [Re: John_Kunkel] #1101030
10/25/11 04:05 PM
10/25/11 04:05 PM
Joined: Mar 2007
Posts: 146
Nuevo leon,mexico,Monterrey
asesino Offline OP
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Quote:


The rpm drop at converter lockup will be about 200 rpm.

A '90 Ram with a 727 wouldn't have a lockup converter and a '71 wouldn't either, only '78 and later.


well, thats what the seller told me, when i buy was droped in the floor


xASESINOx
Re: 727 lock up [Re: asesino] #1101031
10/25/11 05:07 PM
10/25/11 05:07 PM
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dogdays Offline
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Huh? Isn't a 1990 pickup later than 1978? Or did I miss something?
R.

Re: 727 lock up [Re: dogdays] #1101032
10/25/11 06:30 PM
10/25/11 06:30 PM
Joined: Jan 2011
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Central Florida
larrymopar360 Offline
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My two Dodge police cars with lock up have gone into lock up at about 35mph. My one civi Diplomat went in to lock up at 40-45mph.


Facts are stubborn things.
Re: 727 lock up [Re: dogdays] #1101033
10/25/11 07:21 PM
10/25/11 07:21 PM
Joined: Jan 2003
Posts: 25,817
Rio Linda, CA
John_Kunkel Online content
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Quote:

Huh? Isn't a 1990 pickup later than 1978? Or did I miss something?




The '71 couldn't have lockup because it is pre-'78 but the '90 Ram with a 727 was one of those that didn't get lockup even though others of that year did.


The INTERNET, the MISinformation superhighway
Re: 727 lock up [Re: John_Kunkel] #1101034
10/25/11 07:58 PM
10/25/11 07:58 PM
Joined: Mar 2007
Posts: 146
Nuevo leon,mexico,Monterrey
asesino Offline OP
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I know that 71 don't have lockup, i quit my old 727 because began to fail, and put a 727 lockup. We did some tricks and woks good


xASESINOx
Re: 727 lock up [Re: larrymopar360] #1101035
10/26/11 05:11 PM
10/26/11 05:11 PM
Joined: Dec 2006
Posts: 3,533
Indiana
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Fury Fan Offline
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Quote:

My two Dodge police cars with lock up have gone into lock up at about 35mph. My one civi Diplomat went in to lock up at 40-45mph.



We had a civi Dippy (1980, 318-2, 2.2 axle) and it would go into LU at 35 mph no matter what the driving conditions were. Full throttle and uphill? It didn't care.

Re: 727 lock up [Re: Fury Fan] #1101036
10/26/11 05:44 PM
10/26/11 05:44 PM
Joined: Mar 2007
Posts: 146
Nuevo leon,mexico,Monterrey
asesino Offline OP
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asesino  Offline OP
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Quote:

Quote:

My two Dodge police cars with lock up have gone into lock up at about 35mph. My one civi Diplomat went in to lock up at 40-45mph.



We had a civi Dippy (1980, 318-2, 2.2 axle) and it would go into LU at 35 mph no matter what the driving conditions were. Full throttle and uphill? It didn't care.




Why do some work to 35 and others 40-45 mph?


xASESINOx
Re: 727 lock up [Re: asesino] #1101037
10/26/11 06:01 PM
10/26/11 06:01 PM
Joined: Mar 2007
Posts: 146
Nuevo leon,mexico,Monterrey
asesino Offline OP
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When i drive to 45 mph i start to hear some kind of buzzing, but the car is not shake , only hear, comes and goes.
will have something to do with the lockup?
to less speed, not heard ,always be at the same speed


xASESINOx






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