4r100 inerchange gas??????? - PowerStrokeNation : Ford Powerstroke Diesel Forum
 
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post #1 of 9 (permalink) Old 10-05-2014, 10:28 PM Thread Starter
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4r100 inerchange gas???????

getting my one of old plow rigs ready for winter I killed the trans last year. Any one know the difference in 4R100 ID XL3P-HB out of 99 gas and YL3P-CA out of 2000 gas???
I broke the case in my 99 last winter I don't want to spend much I can get this one for 400 bucks with 45k on it , but interchange says they are different any one know the differences ?????

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post #2 of 9 (permalink) Old 10-05-2014, 11:00 PM
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Re: 4r100 inerchange gas???????

The biggest difference is that it won't bolt to a diesel. The other difference is that the gas ones are not as strong and wouldn't last behind a diesel.

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post #3 of 9 (permalink) Old 10-05-2014, 11:21 PM Thread Starter
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Re: 4r100 inerchange gas???????

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Originally Posted by Mark Kovalsky View Post
The biggest difference is that it won't bolt to a diesel. The other difference is that the gas ones are not as strong and wouldn't last behind a diesel.
They both are 5.4 gas engines. Mine is a 1999 5.4 gas in a 7700 and the donor is 2000 5.4 gas
Hollander book says refer to tag # What changed in 99 vs 00 ???

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post #4 of 9 (permalink) Old 10-05-2014, 11:28 PM Thread Starter
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Re: 4r100 inerchange gas???????

I know this is a powerstroke fourm But I'm not member on old rusty poop box plow truck sites. lol

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post #5 of 9 (permalink) Old 10-07-2014, 03:34 PM
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Re: 4r100 inerchange gas???????

You didn't tell me that. Since this is a diesel only forum I assumed that you had a diesel.

The first half of '99 (in the Superduty) had an on/off torque converter lock. All 4R100s after that had a PWM type lockup. All you need to know is that the two are not interchangeable. I don't know which one was in the 7700 at what time.

If you can check the resistance of the lockup solenoid the PWM is around 5 ohms and the on/off is around 20 ohms.

Mark
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post #6 of 9 (permalink) Old 10-07-2014, 04:45 PM
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Re: 4r100 inerchange gas???????

If that's the only difference and this is for an "old rusty poop box plow truck" could he not just snip a wire and eliminate lockup?

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post #7 of 9 (permalink) Old 10-07-2014, 08:37 PM
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Re: 4r100 inerchange gas???????

Yes he could.

Mark
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post #8 of 9 (permalink) Old 10-07-2014, 09:43 PM
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Re: 4r100 inerchange gas???????

Mark, in case nobody's told you, You KICK A$$ ..... It's really nice that we have our own resident ford trans engineer here!

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post #9 of 9 (permalink) Old 10-07-2014, 10:49 PM Thread Starter
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Re: 4r100 inerchange gas???????

Quote:
Originally Posted by Mark Kovalsky View Post
You didn't tell me that. Since this is a diesel only forum I assumed that you had a diesel.

The first half of '99 (in the Superduty) had an on/off torque converter lock. All 4R100s after that had a PWM type lockup. All you need to know is that the two are not interchangeable. I don't know which one was in the 7700 at what time.

If you can check the resistance of the lockup solenoid the PWM is around 5 ohms and the on/off is around 20 ohms.
thank you that is what I wanted to know

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