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Old 05-25-2012, 02:50 PM   #1
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Trans Axle Oil

I changed my trans-axle oil today. I now have an opinion on two products. Which do you prefer, brand "A" or brand "B" ?



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Old 05-25-2012, 03:40 PM   #2
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Brand A, Porsche.
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Old 05-25-2012, 11:09 PM   #3
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Well i will be doing the same thing in a matter of days. So what do you think is better? I will be waiting on your response.
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Old 05-25-2012, 11:18 PM   #4
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Also where did you get the brand A from? The Porsche dealer here doesn't even carry it. He told me to use Mobil 1. I didn't like that response.
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Old 05-26-2012, 12:01 AM   #5
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If the Porsche brand is not synthetic I'll go with the Royal Purple..
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Old 05-26-2012, 12:38 AM   #6
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The Porsche gear oil is full synthetic and out performs all other lubricants - including a non Porsche approved oil like Royal Purple.....
The OPC filled my gearbox with Mobil 75W90 when I bought the car @ 60,000 km - I was never really happy with the cold gearchanges, so at 70,000 km I replaced the lube with the genuine Porsche oil - a real improvement in shift feel and quality.
Its not cheap, but it lasts for 90,000 km, so it has to be good !!
No alternative oils for me....
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Old 05-26-2012, 08:49 AM   #7
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Quote:
Originally Posted by tommy583 View Post
Also where did you get the brand A from? The Porsche dealer here doesn't even carry it. He told me to use Mobil 1. I didn't like that response.
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Manual Transmission Fluid - 75W - 90:Porsche Parts & Porsche Accessories - Wholesale Porsche Parts & Tequipment - Cayman Panamera Cayenn

Hands-down the Porsche oil is much better, especially when the system is cold. With Royal Purple going into second was always stiff before the motor warmed-up. With the Porsche oil shifting is smoother in all gears and the down-shifts are better, plus it doesn't have the pungent odor that other gear lubes have!
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Old 05-26-2012, 09:38 AM   #8
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Porsche is my preference but somewhat expensive - what a surprise!
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Old 05-26-2012, 09:44 AM   #9
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Quote:
Originally Posted by Jager View Post

Hands-down the Porsche oil is much better, especially when the system is cold. With Royal Purple going into second was always stiff before the motor warmed-up. With the Porsche oil shifting is smoother in all gears and the down-shifts are better, plus it doesn't have the pungent odor that other gear lubes have!
I used swepco 210 and had the same result as Jager. Works fine for me when hot, but cold mornings are not so smooth, definitely worse than the OEM fluid.
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Old 05-27-2012, 03:20 AM   #10
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My choice .
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Old 05-27-2012, 05:42 AM   #11
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Redline 75W90 @ 90K Feels Good but no cold weather here in NC. Not sure about up north.
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Old 05-27-2012, 12:02 PM   #12
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My 01 has Royal Purple in it, no issues.
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Old 05-27-2012, 05:45 PM   #13
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I did the Porsche Gear oil in my 2000 Boxster @ 93K miles. I went back and forth on what to use. Bottom line: A decent synthetic gear oil was pushing $20/liter while the Porsche stuff was $28/liter plus ($10 shipping for 3 liters). Given I'll most likely never have to do this job again, I figured the OEM stuff was the way to go, given the delta in price of $34.
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Old 05-28-2012, 01:06 AM   #14
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Exactly - most people will sell the car long before the Porsche oil goes out of spec.
Ummm, what am I saying - maybe a cheaper lube will suffice for most (?) people anyway,,,,,,
Its just that as you get older, quality really counts !!
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Old 05-28-2012, 08:51 PM   #15
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I'm heading that way myself. I used RedLine 75W90 when I changed both the Boxsters trans lube last time. Good stuff, but they are a little stiff when cold. Going OEM Porsche trans lube next time.
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Old 06-12-2012, 06:20 AM   #16
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My dealer wants $67 a bottle for "their" product. I have a hard time believing that there is not an identical product under a different name. Porsche is not in petroleum business. Maybe they had a custom formulation put together, but I have my doubts...

I don't care what's in it, with tax just the fluid came to ~215$ and change, that is offensive.
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Old 06-12-2012, 06:27 AM   #17
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A For Amsoil

Brand A…Amsoil!

Running it with great results in engine and tranny. I got it for the price of regular Valvoline at Autozone! If you become a dealer they will give you even better prices. I got 3 quarts of Amsoil Synthetic 75w-90 transmission fluid shipped to the house for only $45.

Based on wear tests this is a superior product. Check it for your self! Hopefully, I can own the car long enough to change the tranny fluid again!

Thanks for the thread!
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Old 06-12-2012, 07:04 AM   #18
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shadrach74: $67/Liter is crazy! One problem I found was most dealers only had 20L containers...

Try Suncoast Porsche in Sarasota, FL (google Suncoast). I've had great luck with them and purchased the gear oil for $28/L. Figure about $10 for shipping.
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Old 06-12-2012, 07:28 AM   #19
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I also have an extra, unopened liter I available if you are interested.

PM me.
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Old 06-12-2012, 10:07 AM   #20
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Try Sunset Porsche in Beaverton, OR. All parts are on a cost plus basis, great service and pricing.

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