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Old 06-12-2009, 12:10 PM   #1
slava from goshen
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Default What Fluids would you recoment to use in 07 sti swap

I did a search but mostly everything end up being opposite. one person said get this another said get that instead.

A brief history.
I did a full 07 sti swap in a 2 door subaru so will need ALL the fluids, filters, spark plugs, etc. Car will be abused alot (mostly for track use)

I know that 07 has different rear diff so not sure if it needs different type of fluid.
as far as trans/diff

I am down to few choices

Amsoil severe gear 75-90
Motul 300 (75-90)
subaru extra-s


What should be used for engine?

I was thinking purolator filter (yellow kind)
amsoil 10w-40
castrol gtx 10w-40

brake fluid/clutch cylinder

not sure...


coolant

subaru coolant/distilled water 50/50


i will apreciate any help i could get, i'm still new to this and trying to learn
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Last edited by slava from goshen; 06-12-2009 at 12:21 PM.
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Old 06-12-2009, 12:17 PM   #2
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You are overthinking the issues. Read http://forums.nasioc.com/forums/showthread.php?t=995498 and follow the links therein. Buy what you need, not what you think you need. If you used products hand made by Moses himself, it would net you zero over what you could pick up at Pep Boys. Seriously. My hands are still oily from changing the oil in my car and I used Quaker State Q synthetic oil. Why? It was the cheapest synthetic at Walmart...I paid like $17 for a 5 of it, though I did go baller (like an idiot) and bought the $6.50 PuroOne filter. Go cheap or go home say I. The only place you might want to go premium is your tranny fluid choice, that's it.
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Old 06-12-2009, 12:24 PM   #3
slava from goshen
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I just want to be on the safe side because i plan onto abusing the car alot and dont want to brake anything because of bad lubricants. I'm poor but dont want to take short cuts on this as its important. plus the car wont be a daily.

i know some people use 0w30 for engine and others use shell rottela 15w40......completly opposite.
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Old 06-12-2009, 12:40 PM   #4
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Try Rotella-T 5w-40 Synthetic. I hear good things about it from what I have read and people who have used it and done blackstone oil analysis. It stands up to wear pretty good.

I just bought me some at my local autozone, and I hear its cheaper at walmart , Im getting ready to put it in next oil change so ill let u know how it goes.
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Old 06-12-2009, 03:15 PM   #5
slava from goshen
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sweet. thanks. yes my dad gets15 40 rottella in cases. i hear that walmart in texas is the cheapest lol.
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Old 06-12-2009, 09:20 PM   #6
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I recommend:

Amsoil Severe Gear 75w90 for the trans/diffs
&
Amsoil SSO 0w30 or ASL 5w30 for the engine

I've been running that for 66k miles now, very pleased.
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Old 06-12-2009, 09:52 PM   #7
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If you're serious about the track use, then get some of the racing fluids from Renewable Lubricants. Their street stuff is demonstrably better than everyone else's, but their racing stuff is even further ahead of everyone else's racing stuff.

OTOH, if you mean you'll be attending lots of races as a spectator and will be street-type dragging 'a lot' (meaning sometimes), then listen to Unabomber's advice.
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Old 06-13-2009, 03:07 AM   #8
slava from goshen
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would that work with 07 sti rear diff? because they are different than other years.


Quote:
Originally Posted by RonJitsu View Post
I recommend:

Amsoil Severe Gear 75w90 for the trans/diffs
&
Amsoil SSO 0w30 or ASL 5w30 for the engine

I've been running that for 66k miles now, very pleased.
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Old 06-13-2009, 03:09 AM   #9
slava from goshen
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Quote:
Originally Posted by bulwnkl View Post
If you're serious about the track use, then get some of the racing fluids from Renewable Lubricants. Their street stuff is demonstrably better than everyone else's, but their racing stuff is even further ahead of everyone else's racing stuff.

OTOH, if you mean you'll be attending lots of races as a spectator and will be street-type dragging 'a lot' (meaning sometimes), then listen to Unabomber's advice.
If you are talking about street racing...........I wont be doing any of that. I do plan on going to a track/s every weekend. that will be ranging from drag strips, auto-x and road courses.
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Old 06-13-2009, 02:27 PM   #10
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OK. What I was saying was that if you're serious about real racing (i.e. road racing, maybe drag racing, and not street racing), then look at the lubes I mentioned. Sounds like you may be, so I'll stick with my recommendation.

BTW, auto-x doesn't need anything special at all in terms of lubes for a stock/production-type vehicle.
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Old 06-13-2009, 06:42 PM   #11
slava from goshen
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Quote:
Originally Posted by bulwnkl View Post
OK. What I was saying was that if you're serious about real racing (i.e. road racing, maybe drag racing, and not street racing), then look at the lubes I mentioned. Sounds like you may be, so I'll stick with my recommendation.

BTW, auto-x doesn't need anything special at all in terms of lubes for a stock/production-type vehicle.
thanks

now i just need to finish my engine
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Old 06-13-2009, 06:47 PM   #12
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tranny: subaru extra-s
rear lsd: subaru extra-s
oil: depends on where you're at. i use redline 10w30
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Old 06-14-2009, 12:38 AM   #13
RonJitsu
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Quote:
Originally Posted by slava from goshen View Post
would that work with 07 sti rear diff? because they are different than other years.
Yes it will.

Amsoil Severe Gear 75w90 or 75w110 is good for that rear.
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Old 06-14-2009, 01:53 AM   #14
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go with motul for all fluids. if you're building a track car and putting blood and sweat into it, you might as well treat it well with good oil and fluids.

motul ftw, wouldn't go with anything else.

--arthur
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Old 06-14-2009, 01:17 PM   #15
slava from goshen
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I have Amsoil distributor really close to my house. I'm thinking of going motul 300 (75-90) for trans just want to know if its safe for torsen rear diff as well or if the rear diff needs different fluid. I probably will change all the fluids frequintly.
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Old 06-16-2009, 04:14 PM   #16
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I've had good luck w/ Amsoil Products too!
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