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  Mustangsandmore Forum Archive
  '69 to '73 -- The Musclecar Mustang
  Torque Converter question

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Author Topic:   Torque Converter question
SkinnyMan
Gearhead

Posts: 916
From: Tupelo, MS - USA (CA temporarily)
Registered: Jan 2005

posted 10-30-2006 02:20 AM     Click Here to See the Profile for SkinnyMan        Reply w/Quote
I haven't driven the '69 yet - just started it and ran it in the garage. Most likely need to replace the fuel tank and fuel line.

My question is: will a bad torque converter cause an engine to stall when you drop the transmission into gear?

Got a pretty good muscle car guy - even if he is into Corvettes - that says that is most likely what is going on.

Idling above 1,000 RPMs, drop into forward gear and it just dies.

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SkinnyMan
Tupelo, MS

Thank you, Thank you very much!

Clark
Gearhead

Posts: 749
From: Rowlett,Texas
Registered: Aug 99

posted 10-30-2006 10:30 PM     Click Here to See the Profile for Clark        Reply w/Quote
This is just exactly what happened to my car and yes you need to get at least a torque converter of 2200 to 2400 RPM instead of the stock one. Went through a few hair removals before I found this.

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69 393W Sportsroof Deluxe

SkinnyMan
Gearhead

Posts: 916
From: Tupelo, MS - USA (CA temporarily)
Registered: Jan 2005

posted 10-30-2006 11:16 PM     Click Here to See the Profile for SkinnyMan        Reply w/Quote
quote:
Originally posted by Clark:
This is just exactly what happened to my car and yes you need to get at least a torque converter of 2200 to 2400 RPM instead of the stock one. Went through a few hair removals before I found this.

The converter I have is one that is supposed to have been to match the motor and AOD. Got the AOD through the same guy. Stall is supposed to be 2,500 rpm.

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SkinnyMan
Tupelo, MS

Thank you, Thank you very much!

69 Sportsroof
Gearhead

Posts: 2814
From: Valley, Alabama, USA
Registered: Mar 2002

posted 10-31-2006 09:58 AM     Click Here to See the Profile for 69 Sportsroof        Reply w/Quote
Why is the idle set to + 1000?

SkinnyMan
Gearhead

Posts: 916
From: Tupelo, MS - USA (CA temporarily)
Registered: Jan 2005

posted 10-31-2006 11:53 AM     Click Here to See the Profile for SkinnyMan        Reply w/Quote
quote:
Originally posted by 69 Sportsroof:
Why is the idle set to + 1000?

I didn't have the final tune set yet. Will be down to the 750-800 range - or whatever idle is supposed to be.

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SkinnyMan
Tupelo, MS

Thank you, Thank you very much!

pmibach
Journeyman

Posts: 20
From: SSF, California
Registered: Dec 2004

posted 10-31-2006 03:00 PM     Click Here to See the Profile for pmibach        Reply w/Quote
I was just wondering if 2200 to 2400 isn?t kind of a high stall for a stock motor?? Or do you have performance motors?

I was going to put a C4 with a 2200 stall in my 302 performer motor and I thought it was a bit high for street use, but after reading this post I guess I am right on the money.

69 Sportsroof
Gearhead

Posts: 2814
From: Valley, Alabama, USA
Registered: Mar 2002

posted 10-31-2006 03:54 PM     Click Here to See the Profile for 69 Sportsroof        Reply w/Quote
quote:
Originally posted by SkinnyMan:
[QUOTE]Originally posted by 69 Sportsroof:
[b]Why is the idle set to + 1000?

I didn't have the final tune set yet. Will be down to the 750-800 range - or whatever idle is supposed to be.

[/B][/QUOTE]

I'd get the final tune done before taking the trans out. I know you need to be able to put it in drive for idle speed but I'd get everything else checked out. I'm thinking it has a vacuum leak. Put a vacuum gauge on it and see what happens.

RonnieT
Gearhead

Posts: 912
From: Port Allen, La. 70767
Registered: Jun 99

posted 11-02-2006 03:11 PM     Click Here to See the Profile for RonnieT        Reply w/Quote
Is you converter a lock up unit? I had one on a friend of mines brand X car that started stalling when she stopped, come to find out the converter was staying locked due to a bad solenoid.

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Ronnie
69 mach1 351W-4V engineless at the time!
70 Torino GT 351C-4v with a "shaker"
Mustangs and More Member #23

SkinnyMan
Gearhead

Posts: 916
From: Tupelo, MS - USA (CA temporarily)
Registered: Jan 2005

posted 11-03-2006 01:12 AM     Click Here to See the Profile for SkinnyMan        Reply w/Quote
quote:
Originally posted by RonnieT:
Is you converter a lock up unit? I had one on a friend of mines brand X car that started stalling when she stopped, come to find out the converter was staying locked due to a bad solenoid.

Ronnie,

I didn't specify, just went with what the tranny guy recommended. No solenoids or electrical hooked to it.

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SkinnyMan
Tupelo, MS

Thank you, Thank you very much!

Moneymaker
Administrator

Posts: 29200
From: Lyons, IL, USA
Registered: May 99

posted 11-03-2006 10:36 AM     Click Here to See the Profile for Moneymaker        Reply w/Quote
quote:
Originally posted by RonnieT:
Is you converter a lock up unit? I had one on a friend of mines brand X car that started stalling when she stopped, come to find out the converter was staying locked due to a bad solenoid.


FoMoCo lock up converters do not use a solenoid.
They have a lock up clutch that relies on pressure in OD only.

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Alex Denysenko
Co-Administrator and Moderator

NHRA/SRA member and licensed Superstock driver
NHRA and IHRA SS/LA & SS/MA National Record Holder '00,'01,'02,'03,'04 &'05
First NHRA & IHRA 289 automatic Superstock Mustang in the TENS 06-99
First SS/MA in the TENS 04-03
IHRA division 5 Superstock Champion
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28

The Barry of BarrysGrrl

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