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Twin Ultramatic fluid?
#1
Not too shy to talk
Not too shy to talk

Paul
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Have here a '56 Ultramatic that has been dry for some years after rebuild. Condsidering synthetic ATF (Quaker State). Does anyone have experience or comments?

Posted on: 7/4 12:49
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Re: Twin Ultramatic fluid?
#2
Just can't stay away
Just can't stay away

Packardfan
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Hey Paul, I have a 55' and I plan on refilling my Ultramatic with "original" B&M Trick Shift. After much research that's what I found to be best from other people's experience..... On a side note you have 4 of the same threads, you should delete all of then except for this one. Once somebody replies to a thread you can't delete it, you will need a administrator to do it for you.

Attach file:



jpg  20220704_105837.jpg (2,960.75 KB)
225549_62c32bf03260d.jpg 4032X3024 px

Posted on: 7/4 13:05
-Mike

1955 Packard 400




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Re: Twin Ultramatic fluid?
#3
Home away from home
Home away from home

Packard Don
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Looks like they are already deleted. Anyway, this question comes up here all the time so whenever I learn something I will soon need to know, I make a note of it. Here is my note for this:

Fluid to use
Dexron if rebuilt
Type F if original

B&M Trickshift also comes up in the answers but I saved only the common fluids to my notes.

Posted on: 7/4 14:21
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Re: Twin Ultramatic fluid?
#4
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Forum Ambassador

Owen_Dyneto
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I wouldn't use a synthetic, too slippery - Ultras want more "grippiness". I'd go with Type F or FA or TrickShift.

Posted on: 7/4 18:33
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Re: Twin Ultramatic fluid?
#5
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Forum Ambassador

Ozstatman
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Quote:
Packardfan wrote:..... On a side note you have 4 of the same threads, you should delete all of then except for this one. Once somebody replies to a thread you can't delete it, you will need a administrator to do it for you.


To delete the three duplicate threads you should be able to go into each of them and HIT the delete button at the bottom of the page.

Posted on: 7/8 23:24
Mal
/o[]o\
====

Bowral, Southern Highlands of NSW, Australia
"Out of chaos comes order" - Nietzsche.

1938 Eight Touring Sedan - SOLD

1941 One-Twenty Club Coupe - SOLD

1948 Super Eight Limo, chassis RHD - SOLD

1950 Eight Touring Sedan - SOLD

What's this?
Put your Packard in the Packard Vehicle Registry!
Here's how!
Any questions - PM or email me at ozstatman@gmail.com
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Re: Twin Ultramatic fluid?
#6
Home away from home
Home away from home

Scott
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If the transmission was rebuilt with modern clutch materials then Dextron spec ATF is recommended. If old NOS parts were used then Type F or Trickshift, which is a modified Type F.

Posted on: 7/15 11:07
1942 Clipper Club Sedan
1948 Custom Touring Sedan (22nd Series)
1955 Patrician Sedan
1955 400 Sedan
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Re: Twin Ultramatic fluid?
#7
Home away from home
Home away from home

Marty or Marston
See User information
I had an occasional noise problem on my '51 when it would try to lockup. I changed the fluid to B&M Trick Shift (posted above). While it didn't completely eliminate it, it made significant improve it getting rid of the rattling noise.

Posted on: 7/23 10:04
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