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High Stall Convertors

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Old 07-30-2006 | 10:04 AM
  #1  
ryane88's Avatar
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Joined: Oct 2005
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Car: 91 Camaro RS
Engine: 305 TBI
Transmission: 700R4
High Stall Convertors

say... a 3000rpm stall converter

i never knew completely how these work

but correct me if im wrong... they only stall that high at WOT correct?

and then say it needs to idle at 900 rpm... it stalls at 1200rpm at part throttle?

am i correct.... even close??
Old 07-30-2006 | 01:41 PM
  #2  
3.8TransAM's Avatar
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From: Schererville , IN
Car: 91 GTA, 91 Formula, 89 TTA
Engine: all 225+ RWHP
Transmission: all OD
Axle/Gears: Always the good ones
Depends a cheap crappie one will not move the car until 2k-2.5k and spin up to 3k before getting under way well.

A nice tight 3k stall from someone like Precision Vigilante or Yank might cost more but makes up for it in droveability and efficiency.

they are known as tight converters and will still move the car out well without spinning to the moon on takeoff while driving.

There is a reason they are 600-700$ they drastically outperform the cheaper alternatives.

later
Jeremy
Old 07-30-2006 | 05:44 PM
  #3  
AlkyIROC's Avatar
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From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
Here's some torque converter information you should read first

http://www.hardtail.com/techtips/torqueconverters.html
http://www.hardtail.com/techtips/sel...converter.html
Old 07-31-2006 | 01:12 PM
  #4  
Fast355's Avatar
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From: Hurst, Texas
Car: 1983 G20 Chevy
Engine: 305 TPI
Transmission: 4L60
Axle/Gears: 14 bolt with 3.07 gears
Typically when you go up in stall speed, it is desireable to have a smaller converter body. It is a more efficient way of raising stall speed than changing the pitch on the pump in say a 12" converter. My Yank truck 2,800 is only 11" in diameter. For a car they are around 10".
Old 07-31-2006 | 10:47 PM
  #5  
ryane88's Avatar
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Car: 91 Camaro RS
Engine: 305 TBI
Transmission: 700R4
that doesn't help me any... lol

if its a tight 3k stall converter

if i go WOT say around 3k it takes off and all hell breaks loose

but if i take off easy it'll stall nice and easy say at 2500 w/o chiprin tires or whiplash
Old 08-01-2006 | 10:06 PM
  #6  
Fast355's Avatar
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Joined: Jan 2005
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From: Hurst, Texas
Car: 1983 G20 Chevy
Engine: 305 TPI
Transmission: 4L60
Axle/Gears: 14 bolt with 3.07 gears
A tight 2,800 RPM converter will pull well at part throttle, all the way down at 1,200 rpm. I can pull away from a stop at 1,200 rpm with ease or hammer it go to 2,800 then all hell breaks loose.
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