Re: Trans Fluid for a twin ultramatic? Power Steering fill mark and fluid?
Posted by BH On 2011/9/24 9:24:32
Tim Cole -
Thanks for the specific reference. I've made a cut-n-paste of the article, attached below, for the benefit of the general viewing audience.
I was aware of that article (and it's listed in the Service Index), but no where does it mention Dexron - only a new type of fluid, AQ-ATF, but WITH friction modifiers that you noted.
Curiously, the stated application is for the Twin Ultramatic (which would include the Gear Start edition), but nothing about its use in the original Ultramatic; perhaps the focus was the Low/High shift.
Further reading, online, shows that AQ-ATF was a precursor to Dexron, which didn't come on the scene until the late 1960s. However, Dexron is supposed to be backwardly-compatible with AQ-ATF and Type A.
Yet, I have to wonder about the effectiveness of later formulations of Dexron, made without whale oil, in these old transmissions.
I've since enhanced the topic description in the Service Index, and I'll try to work some of this new info into my FAQ this weekend.
Attach file:
(30.15 KB)
Thanks for the specific reference. I've made a cut-n-paste of the article, attached below, for the benefit of the general viewing audience.
I was aware of that article (and it's listed in the Service Index), but no where does it mention Dexron - only a new type of fluid, AQ-ATF, but WITH friction modifiers that you noted.
Curiously, the stated application is for the Twin Ultramatic (which would include the Gear Start edition), but nothing about its use in the original Ultramatic; perhaps the focus was the Low/High shift.
Further reading, online, shows that AQ-ATF was a precursor to Dexron, which didn't come on the scene until the late 1960s. However, Dexron is supposed to be backwardly-compatible with AQ-ATF and Type A.
Yet, I have to wonder about the effectiveness of later formulations of Dexron, made without whale oil, in these old transmissions.
I've since enhanced the topic description in the Service Index, and I'll try to work some of this new info into my FAQ this weekend.
Attach file:
(30.15 KB)This Post was from: https://packardinfo.com/xoops/html/modules/newbb/viewtopic.php?post_id=86686