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09-03-2009, 08:07:51 PM
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#1
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Veteran Member
Join Date: Mar 2008
Location: reidsville
Posts: 809
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Stall'n
my converter is a fairbanks [5000]....so i'm told...i know it is a fairbanks'97 converter...i called them to inquir about the stall speed[couple years back]...and was told that the part # i gave them was not a shelf item... custom cnvrt..anyways..the car pulls off normal[with a little stall]..not quite 1500..but can foot stall the car to 4200 before tires start to break im sure it would be higher with trans break set higher..[that was with the 388]..i know the torque of the motor plays a big roll in this...but a big block 496 what should initial stall be[guesstimate] 110 centerline sld/ roller cam/about 10.8/9 compression with a3800-4100 cnvrtr...?? just curious 
Last edited by smallblock413 : 09-03-2009 at 08:24:54 PM.
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09-04-2009, 12:40:09 AM
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#2
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Moderator
Join Date: Jan 2002
Location: Las Vegas,NV
Posts: 3,659
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I'll let you know in a couple of days  |
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09-04-2009, 02:29:35 AM
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#3
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Veteran Member
Join Date: May 2004
Location: saint john N.B canada
Posts: 376
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we have a 496, 10.25;1, 660lbs tq 730 hp, 3000 lb datsun, it has a trans specialties 4200 and it stall around 6000
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09-04-2009, 03:47:03 AM
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#4
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Veteran Member
Join Date: Sep 2004
Location: Raleigh / Holly Springs, NC
Posts: 17,799
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My 3,500 +/- ACC converter flashed 4,100 with the 383 and 5,000 with the 408.
__________________
old 72 - now driving a third gen
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09-04-2009, 05:06:55 AM
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#5
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Veteran Member
Join Date: Sep 2007
Location: REIDSVILLE,NC
Posts: 1,027
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....the more TQ the more stall... it's my car sb413 is talking about i didn't know if something was wrong......
BTW: how many rpm did yours turn 2 get it to moving mine seams to b a bit much??? the stall is 3800-4100...... |
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09-04-2009, 11:04:01 AM
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#6
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Moderator
Join Date: Jan 2002
Location: Las Vegas,NV
Posts: 3,659
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Quote:
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Originally Posted by jaywill
....the more TQ the more stall... it's my car sb413 is talking about i didn't know if something was wrong......
BTW: how many rpm did yours turn 2 get it to moving mine seams to b a bit much??? the stall is 3800-4100...... |
With my PTC 4500 it would stall to 5k in my old setup. We will see next weekend. I leave at 3000 on a two step though. car can't handle 5000 launch. |
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09-04-2009, 01:13:56 PM
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#7
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Veteran Member
Join Date: Sep 2007
Location: REIDSVILLE,NC
Posts: 1,027
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Quote:
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Originally Posted by vegas1974z28
With my PTC 4500 it would stall to 5k in my old setup. We will see next weekend. I leave at 3000 on a two step though. car can't handle 5000 launch.
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keep me posted...i'm not going to worry about i just don't want it to drive thru the converter on nos  |
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09-04-2009, 03:55:51 PM
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#8
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Veteran Member
Join Date: May 2003
Location: British Columbia, Canada
Posts: 9,076
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There is never too much stall speed, only not enough peak engine RPM.
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09-04-2009, 04:08:02 PM
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#9
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Veteran Member
Join Date: May 2003
Location: British Columbia, Canada
Posts: 9,076
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Or to put it another (better) way, one of my customer's runs a 565 BBC that sees a 175 big shot kit from time to time. Stall speed (w/o 2 step activated) is 6200, there doesn't seem to be any operational issues. Shift point is in the 7500 area.
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