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Old 07-28-2014, 02:06 PM   #1
turboman1
 
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Stall speed

Need to get my converter re-stalled as it is really tight from a previous setup I had on the truck. The new setup is a 64/67/14 over a S475 (1.32 A/R), 5x14's, 181/210, Marine style pistons (about 16:1 compression), and a mildly ported and matched head/manifold. Elevation is about 3000-4000 ft.

Truck is used as a daily driver now and will tow (~8000 lbs). Problem I have now is the converter is so tight I have to idle it at 1000 rpm's in park so it doesn't kill the motor when in drive with the AC on. It also makes stopping a little bit of a pain as it is always trying to push through the brakes.

What would be a good stall speed for this setup and still be a good street/tow truck? Was think about 1800-2000 rpm.
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1997 Dodge 4x4 Extended Cab Long Bed.
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64 over S475 to come....

Jeremiah 9:23-24
 
Old 07-28-2014, 11:10 PM   #2
mike_belben

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what convertor do you have now and whats the stall speed? do you know which stator was used?

im trying to select a good setup for my work truck now.
 
Old 07-28-2014, 11:15 PM   #3
CPSimpson
 
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Call Phil at Diesel Performance Converters and tel him your set up and he will get you fixed up.
 
Old 08-01-2014, 12:08 AM   #4
turboman1
 
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15 Blade Left Cut

So I found out the converter is a 15 blade left cut (I thought it was tighter than that, maybe a 10/20 or 800/300).

Only annoyance with it right now is that I have to use both feet when I come to a stop to keep the idle from dipping down to around 500 rpm. Anybody else having this happen with a 15 blade left cut?

Here is a video to get an idea of what it does when trying to boost launch. Does that act like a 15 blade left cut? Jumps to around 1500 rpm before any boost comes on.


Started to push through the brakes at around 10-15 psi, and I was standing on them pretty good.
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64 over S475 to come....

Jeremiah 9:23-24

Last edited by turboman1; 08-01-2014 at 12:11 AM. Reason: Added comment
 
Old 08-01-2014, 06:58 AM   #5
crackerman

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If you are using hydraulic fluid, drain it out and put atf back in, itll loosen things up a little.
 
Old 08-01-2014, 08:38 AM   #6
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Internal Clearance makes a difference too. I had all those issues , switched to a suncoast 1800 stall- much better.
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Old 08-01-2014, 08:58 AM   #7
Gasoline Sucks
 
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My ATS was too tight I sent it to DPC he loosened it up a couple hundred but I wish I went to 17-1800. It flashes to 1500 now before it would barley pull 1250
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Old 08-01-2014, 02:34 PM   #8
jlbayes
 
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i know this isn't part of you question but have you tried playing with your governor springs at all?
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Old 08-02-2014, 12:23 AM   #9
Gasoline Sucks
 
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Quote:
Originally Posted by jlbayes View Post
i know this isn't part of you question but have you tried playing with your governor springs at all?
I hope your not referring to me. I have chased smoke issues for yrs if 1 more person mentions the word "spring" im going to buy a new ford
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Old 08-02-2014, 01:45 AM   #10
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Mine idles at 500rpm or so when its in drive with the AC on. Been thinking of bringing that up a little, but dont want the engine fighting me when Im trying to come to a stop.
That converter is probably too tight for those twins. I have a 62 single and its a little on the low side especially with the cam. Moves the efficiency sweet spot up and the converter wants to make the motor work at a lower rpm.
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Old 08-02-2014, 11:15 AM   #11
turboman1
 
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Quote:
Originally Posted by jlbayes View Post
i know this isn't part of you question but have you tried playing with your governor springs at all?
Yep, played around with those a lot to try and get it to work like I wanted. Didn't fix my complaint but I think I got it about as good as I am going to get it right now.
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1997 Dodge 4x4 Extended Cab Long Bed.
Pump: 4gsk, mack plug, custom plate, afc mods.
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64 over S475 to come....

Jeremiah 9:23-24

Last edited by turboman1; 08-02-2014 at 11:16 AM. Reason: typo
 
Old 08-05-2014, 12:14 PM   #12
jlbayes
 
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Quote:
Originally Posted by Gasoline Sucks View Post
I hope your not referring to me. I have chased smoke issues for yrs if 1 more person mentions the word "spring" im going to buy a new ford
no sorry the op!

Quote:
Originally Posted by turboman1 View Post
Yep, played around with those a lot to try and get it to work like I wanted. Didn't fix my complaint but I think I got it about as good as I am going to get it right now.
ok, cause when i put the 5ks in mine i had to play with them for a weekend to get them right. that and adjusting the throttle linkage from carls apps kit sucks when its on the truck.
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