Re: 904 shifting problem?
[Re: 1976Fury]
#1124431
11/30/11 01:38 PM
11/30/11 01:38 PM
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Joined: Jan 2003
Posts: 75,082 U.S.S.A.
JohnRR
I Win
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I Win
Joined: Jan 2003
Posts: 75,082
U.S.S.A.
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Quote:
thanks a million would i be better of to just throw in a 727 when this one shells itself? Or do you think it will hold up fine Im seventeen and have a very heavy foot. Just have a stock 360 crate motor.
Unless the 904 was built specifically to go behind a 360 crate motor I'm not surprised you are having issues . Try adjusting the band , hopefully you have not destroyed the band yet.
You might want to look at putting a 727 behind it .
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Re: 904 shifting problem?
[Re: JohnRR]
#1124432
11/30/11 05:16 PM
11/30/11 05:16 PM
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Joined: May 2003
Posts: 15,487 Florida
scratchnfotraction
I Live Here
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I Live Here
Joined: May 2003
Posts: 15,487
Florida
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a bone stock 904 is very ez to kill with a heavy foot. loose 2nd,adjust band,bark 2nd,lose 2nd,adjust band,bark 2nd,lose 2nd,adjust band...look for replacement,find 727 replacement,one good pass and 904 is done,R&R it and upgrade to 727..shortn drive shaft i have done it many times with 904/998/999 weak links thorttle pressure rod is very important and needs adjusted correctly for any auto to last.
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Re: 904 shifting problem?
[Re: 1976Fury]
#1124434
12/06/11 05:35 PM
12/06/11 05:35 PM
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Joined: Jul 2008
Posts: 30,471 Florida STAYcation
dOc !
The village idiot's idiot
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The village idiot's idiot
Joined: Jul 2008
Posts: 30,471
Florida STAYcation
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Quote:
In january i put in a brand new 904trans in my car. so far ive been happy but now it doesnt have second gear. There is no horrible noise whenit trys to shift it just doesnt grab second but it will shift from first to third. Would this be a valve body prob?
WHAT does the fluid look like? ...
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Re: 904 shifting problem?
[Re: 1976Fury]
#1124438
12/08/11 11:02 PM
12/08/11 11:02 PM
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Joined: Jan 2005
Posts: 3,699 Newport, Mi
Evil Spirit
master
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master
Joined: Jan 2005
Posts: 3,699
Newport, Mi
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Without the proper valve body and governor parts a 727 won't last much longer than a 904. I'd be willing to bet you are having to manually shift the 1-2 shift, which is hard on any trans with a stock v/body. The nose over, or overlap from the low/reverse band being applied and not releasing before the kickdown (2 nd gear) band applies is where the damage occurs - in effect it is in 2 gears at once. My advice is after the kickdown band is adjusted is to either install a manual v/body, or a good shift kit to make the trans shift correctly, and use the governor to adjust the shift RPM's.
Free advice and worth every penny... Factory trained Slinky rewinder.........
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Re: 904 shifting problem?
[Re: 1976Fury]
#1124440
01/25/12 12:02 AM
01/25/12 12:02 AM
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Joined: Feb 2003
Posts: 1,532 crisfield, maryland 21817
82ramIndy493
pro stock
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pro stock
Joined: Feb 2003
Posts: 1,532
crisfield, maryland 21817
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Quote:
Okay a little bit worried now. Ive adjusted the front band 74in/lb in then two turns out and it still aint workin as advertised. So is this a good sign that my tranny is hosed?
You need to pull the pan and check to make sure the band is actually still hooked up. I have seen misadjusted bands come unhooked before. There is an extension arm that connects the band to the lever at the servo. I have seen these arms come undone. If so you will need to reconnect this assembly and then adjust the band accordingly. If it is still hooked then you need to do a check of the servo circuit to see if it works or not. I always do this first before doing band adjustments. Also when built right a 904 can be a very strong tranny. I have built them behind numerous 9 second engines.
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