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Old 03-16-2012, 03:45 AM   #1
engelman27
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Default 09 wrx- changing tranny fluid... Uncle scotty??

So im changing the tranny fluid in 5mt 09 wrx. Gonna go w "the Uncle Scotty's Cocktail of 1qt Redline lightweight shockproof, 1qt Pennzoil or GM Synchromesh, 2qt Castrol HypoyC 80w-90"?!?! Is this ok?

Also Im gonna do the rear diff gear oil. Anyone know the weight and amount on this ??
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Old 03-16-2012, 04:48 AM   #2
Uncle Scotty
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use the heavyweight shockproof

buy another quart of the hypoyc for the rearend...it should take a bit over half
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Old 03-16-2012, 01:06 PM   #3
engelman27
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Uncle Scotty himself! Ok than, so its about 3.8 quarts in the tranny and 1/2 in the rear diff?
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Old 04-05-2012, 01:05 AM   #4
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im interested in this cocktail for my 09 too. Definitely go with heavyweight shockproof. lightweight doesn't do much.

uncle scotty my question for you is, why us castrol over redline MTL and/or MT-90, 75w90NS. I remember back in the day when I had my 2005 2.5rs, the cocktail involved all redline products.


Here is what I have in mind for sure at this moment. First quarts are definitely going to be Heavyweight Shockproof, Penzoil Syncromesh. Now should the rest be Castrol Hypoy Gear oil? Even Grimmspeed seems to recommend this cocktail(they suggest lightweight shockproof instead of heavyweight for some reason). My heart is with redline products tho

Any input is appreciated. Anyone currently running this Grimmspeed Cocktail? But with heavyweight shockproof instead of lightweight?
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Old 07-09-2012, 09:22 PM   #5
CletusTheDwarf
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Is there really a noticeable gain by going with this cocktail instead of just straight lightweight shockproof? Seems like a lot of effort to buy all these different kinds and mix them.
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Old 07-09-2012, 10:04 PM   #6
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No. It is probably the first known "consistently great" transmission fluids. There are others now that are easier listed in the Maintenance FAQ.
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Old 07-11-2012, 01:54 PM   #7
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Since using the heavyweight in the cocktail was recommended in place of the actually written lightweight, should heavyweight be used in place if just doing that by itself?
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Old 07-11-2012, 02:29 PM   #8
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Quote:
Originally Posted by jonno View Post
Since using the heavyweight in the cocktail was recommended in place of the actually written lightweight, should heavyweight be used in place if just doing that by itself?
d000000000000000000000000000000000000000
000000000000000000000000000000000000000000000
000000000000000000d

is this really so hard to understand??

READ post #1
READ post #2

T H I N K for as long as it takes to make sense......unless that is more than a second or so....and act

if thought takes more than 2 seconds......do this

get big bucket of gasoline and lighter...put lighter in pocket for later use

put bucket of gas on roof of car...climb up on roof...pour gasoline over your head.....take lighter out of pocket and light lighter at least ONCE

report results here if possible
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