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Old 10-20-2003, 03:28 PM
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Lets talk tranny fluids.

Ok whats the bottom line here.

First let me say I have built quite a few trannys as well as tryed diffrent types of fluids and had good luck with all of them.
Whats been the best for you guys that also build trannys???

DEX3... seems to work good and hold up to heat/cold well but the tranny shifts a little softer.

Mopar ATF3 seems much like the dextron3 stuff.

Type F seems... to shift harder but will leave a varnish over time and from what I have seen dosent like to get hot.

B&M/TCI (trick fluids) see type F

Hydrolic tractor fluid ... never used this stuff but keep hearing good things about the clear kind... Anyone use it??? Been told it will even mix with regular auto trans fluids so its still red instead of clear.

Synthetic tranny fluids... never tryed any of these so whats the word here?

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Old 10-20-2003, 04:00 PM
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Type F works for me i have used it for years no problems good Firm shifts with TH350 or 400 or the Glide on the strip or in my beater GMC PU.
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Old 10-20-2003, 06:59 PM
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Type F for me also, it`s served me well.
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Old 10-20-2003, 07:29 PM
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If heat is a concern I would go synthetic. I have been running Royal Purple in my wife's Tahoe for a number of years now. I plan on running it in my Coupe also.

Vince
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Old 10-20-2003, 07:48 PM
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Cool

I've used dexron for decades and never had an issue or soft shift problem.
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Old 10-21-2003, 01:58 AM
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Crosley,
Im not saying that the dex 3 gives a "soft" shift but it does shift a little softer than the same tranny setup with near the same line pressure as one filled with type F.
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