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about to install a converter, do i switch fluid

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Old Nov 17, 2011 | 06:15 AM
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Default about to install a converter, do i switch fluid

ive been reading on here about not using synthetic ATF with a stall, im about to instal a yank ss3600, and iam now using MOBIL 1 Synthetic ATF. should i try to drain it all out and refill with dexron 3? or just leave it as is? i do not want to hurt anything. thanks
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Old Nov 17, 2011 | 09:38 AM
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I run Yank last 11 years (ST 3600 and SS 4000 about 1 year) Dave said no Syn. each time I ask. You are going to get several differant answers on line I suggest you call and get the answer stright from "the hose's mouth "(Dave @ Yank )
just my .02'
Johnny
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Old Nov 17, 2011 | 07:56 PM
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Yank says no synthetic but they say yes to dex 6 which from what I gather is partly synthetic. I used dex 6 with my ss3600. Put 10k miles on it and so far so good.
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Old Nov 18, 2011 | 06:45 AM
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yea i took your advice and called, he said if its already in there, ill be fine. i asked if i should just drain it out, and he said no
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Old Nov 18, 2011 | 11:14 AM
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Originally Posted by senicalj4579
Yank says no synthetic but they say yes to dex 6 which from what I gather is partly synthetic. I used dex 6 with my ss3600. Put 10k miles on it and so far so good.
Dex VI is a full synthetic and approved by Yank. I installed my SS 3600 almost 7 years ago with fresh Mobil 1, never an issue.
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Old Nov 18, 2011 | 01:45 PM
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Originally Posted by lt1-xjs
Dex VI is a full synthetic and approved by Yank. I installed my SS 3600 almost 7 years ago with fresh Mobil 1, never an issue.
dex 6 if full synthetic? I wasnt sure before and a sponsor said it was a mix so thats why I said partialy.
But the funny thing is that on the yank card sent with my converter it says "we do not recommend any type of synthetic fluid at all." but after that it says "dex6 is ok."
Now why would yank say a big no to ANY synthetic but say dex 6 is ok if dex 6 is synthetic?
Im not saying theres anything wrong with dex 6 cause like I said...I run it with my ss3600. I put 10 brand new qrts in
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