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727 factory stall speeds? #85025
07/06/08 10:25 PM
07/06/08 10:25 PM
Joined: Sep 2003
Posts: 847
Parsons (SouthEast) Kansas
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funkyjbp Offline OP
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funkyjbp  Offline OP
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Parsons (SouthEast) Kansas
anyone know how to tell the stall speeds of factory converters? i have the following good converters: 84 truck 360/727, 79 cop car 360/727 and a 73 360/727 truck. all are good converters. want something around 2000 for my 77 shortbed that is getting a mild 360 in then ext few weeks. i can buy them for around 200$ but if i am only getting a few hundred RPMs of stall, will it be worth it? Can you determine the stall by the diameter? if anyone has a converter around 2000-2400, i would be interested. thanks, JP in KS.


71 SWB, 413 77 SWB, 318 92 SWB, 5.2 magnum 79 Macho Short bed, 318 03 stratus coupe R/T too many others not on the road!
Re: 727 factory stall speeds? [Re: funkyjbp] #85026
07/06/08 11:06 PM
07/06/08 11:06 PM
Joined: Jan 2003
Posts: 4,616
Kissimmee Fl.
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dusturbd340W5 Offline
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Posts: 4,616
Kissimmee Fl.
converter company we deal with at work tell me a factory converter is no more than 14-1500


70 duster full chassis super pro 416 CNC Indybrock heads 727 w/brake

best so far 1.212 60 6.219 in 1/8 at 110.88 9.768 at 137.81 1/4
Re: 727 factory stall speeds? [Re: funkyjbp] #85027
07/07/08 12:48 PM
07/07/08 12:48 PM
Joined: Jul 2005
Posts: 327
pittsburgh,Pa.
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mikepar Offline
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mikepar  Offline
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pittsburgh,Pa.
my stock converter was maxed out by the trans shop at 1900

Re: 727 factory stall speeds? [Re: funkyjbp] #85028
07/07/08 04:36 PM
07/07/08 04:36 PM
Joined: Jan 2003
Posts: 25,618
Rio Linda, CA
John_Kunkel Offline
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John_Kunkel  Offline
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Posts: 25,618
Rio Linda, CA
Here is a list of '78 stall speeds, pretty much the same for other years mentioned:

4536544-78stallspeeds.jpg (621 downloads)
Re: 727 factory stall speeds? [Re: John_Kunkel] #85029
07/08/08 09:54 AM
07/08/08 09:54 AM
Joined: Sep 2003
Posts: 847
Parsons (SouthEast) Kansas
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funkyjbp Offline OP
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funkyjbp  Offline OP
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Joined: Sep 2003
Posts: 847
Parsons (SouthEast) Kansas
looks like i will be buying a converter then. it looks like converter diameter is not the determining factor of stall speed. forgive me of my ignorance! thanks, jp in ks.


71 SWB, 413 77 SWB, 318 92 SWB, 5.2 magnum 79 Macho Short bed, 318 03 stratus coupe R/T too many others not on the road!
Re: 727 factory stall speeds? [Re: funkyjbp] #85030
07/08/08 03:16 PM
07/08/08 03:16 PM
Joined: Jan 2003
Posts: 25,618
Rio Linda, CA
John_Kunkel Offline
Too Many Posts
John_Kunkel  Offline
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Joined: Jan 2003
Posts: 25,618
Rio Linda, CA
Converter diameter does have an influence on stall speed, the '78 chart shows only the 10 3/4" because that's the year the 11 3/4" was discontinued.

All other factors being equal the smaller converter will stall higher.


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