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  #1  
Old 01-27-2017, 03:59 AM
Sunbeam Fanatic Sunbeam Fanatic is offline
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Torque Convertor Stall RPM??

Hi All,

What stall rpm would you say is right for a mild build 401, I was thinking 1800?

Many thanks
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  #2  
Old 01-27-2017, 05:35 AM
Ristow Ristow is offline
 
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depends on what you wanna do with it. 727 or 400?
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Old 01-27-2017, 08:18 AM
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SC/397 SC/397 is offline
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It is going to be a 4L60E I think. Wouldn't the 4L60E have a lock-up type converter as well?
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  #4  
Old 01-27-2017, 10:40 AM
Ristow Ristow is offline
 
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yeah,but they have a lotta availability.

if you built the 401 for torque,yah,a couple hundred over stock rpm would do it. no need to waste that off idle torque.
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  #5  
Old 01-27-2017, 10:45 AM
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It is. 268H cam.
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  #6  
Old 02-03-2017, 07:48 AM
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babywag babywag is offline
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Stock stall on my Caprice is ~1400, aren't Jeeps much lower?
I think on a mild 401 you'd want something similar or like Ristow said the you toss away that nice off idle torque?
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  #7  
Old 02-03-2017, 11:55 PM
Sunbeam Fanatic Sunbeam Fanatic is offline
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Does anyone know the stock stall rpm in the 390/TH400 Cherokee?
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Old 02-04-2017, 02:08 PM
rocklaurence rocklaurence is offline
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When I buy stock rebuilt Converters for a 727 they are 1100-1300 stall. However, my Ford Explorer had close to a 1900 stall but with an electronic Lock-up. I think if you get close to an 1800 stall you'll be generating a lot of heat driving in-town.
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Old 02-05-2017, 11:31 AM
WrenchMonkey WrenchMonkey is offline
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http://www.superchevy.com/how-to/tra...ter-selection/

Some real good info in there. If you were drag racing your best bet would be a pretty high stall, considering how late in the rpm band (most) 401's make peak HP, but most likely that's not the case. Higher the stall RPM the less gas mileage and the more likely you are to cook your transmission.

You'd be better suited to looking for a torque converter that will give you a high torque multiplier than for a later RPM stall. Take advantage of the 401's low-end torque AND the nifty property of torque multiplication that auto trans' have that manuals do not,
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  #10  
Old 02-21-2017, 08:52 PM
440sixpack 440sixpack is offline
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For a mild build I wouldn't worry about it.

Cheap stalls are a joke. if you think you must have one buy a quality one with the correct flash . even then you'll constantly be reminded ever time you drive it why the factory didn't use one.

Stay stock I at all possible , these aren't drag cars.
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  #11  
Old 09-25-2017, 07:17 AM
rocklaurence rocklaurence is offline
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The TCI Saturday Night Special is 1800-2000 stall. I'm thinking of using one of these in my tow rig. The 34" tires and 3.73's bog it down when taking off with a load. The 2000 stall will be effective bellow 45 mph and I wont have heat issues because I have an isolated trans cooler.
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  #12  
Old 10-09-2017, 02:01 PM
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It's the TCI 1800 stall that I finally went for, hopefully I'll find out soon how it performs!
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  #13  
Old 10-10-2017, 09:03 AM
Ristow Ristow is offline
 
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i ran a 3000 stall b&m on my old chev shortbox,with 2.73 gears for about a year before going to 3.73. i ran an RV cooler,and that fluid was as bright red a year later as when i put it in.

that thing cruised below stall,when i hit a hill the speed dropped and rpm stayed the same until i stepped on it,at which point it would rev a lil more,lol.
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Originally Posted by Hankrod
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→ Where the kids hang out...

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  #14  
Old 10-13-2017, 02:52 PM
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fulsizjeep fulsizjeep is offline
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Random thoughts:
I use 800-1200 rpm stall converter. 3000 or 1800 is nutz for an FSJ. I am not drag racing them. Why are we talking about Chevys? Just my $.02.
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  #15  
Old Yesterday, 08:45 AM
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The 1977 service manual for AMC cars (not Jeeps) says the AMC 360 with a TF-727 has a 1700-2000 RPM stall converter.
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