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Old 01-20-2008, 03:02 PM   #1151
bugeyeblue
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I'm using the cocktail now, and shifting is better than before. I still have a hard time getting into reverse about half the time, but getting into first gear is much easier than before. Shifting through the gears is a little more smooth than before as well. Another happy cocktail user. Thanks Scotty.
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Old 01-20-2008, 06:11 PM   #1152
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It's the long term effects that you have to worry about. ^^
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Old 01-22-2008, 01:25 AM   #1153
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ok then show me something better than scottys^^
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Old 01-22-2008, 02:26 AM   #1154
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Subaru Extra-S.
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Old 01-22-2008, 08:54 AM   #1155
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Quote:
Originally Posted by rougeben83 View Post
Subaru Extra-S.
whats that ?

I've had the coctail for about 6k miles now... and I don't know if its the cold weather, or if its starting to break down or whatnot, but its been harder to shift the car lately.
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Old 01-22-2008, 10:36 AM   #1156
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Old 01-22-2008, 10:45 AM   #1157
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That's what kind of worries me about the cocktail... it seems to degrade pretty quickly, and I'm not keen on hearing the synchros wind up (something that's not supposed to be audible), didn't like that at all. I'm still on the 75w90 w/ 1 qt. synchromesh mix and haven't noticed any degradation of shifting performance or noise and I'm just passing the 15k mile marker on this batch of gear oil. I drained a tiny bit out into a clear cup (.25qt. or so maybe) a couple of weeks ago and didn't see any bothersome amount of metal or anything.

But on the fair side... I haven't noticed any "Scotty's cocktail broke my gearbox" threads and lots of folks still love it, so it's all up to preferences from there. Should be fine as long as you change it when it wears down.
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Old 01-22-2008, 10:48 AM   #1158
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Quote:
Originally Posted by DS1 Motorsports View Post
It's the long term effects that you have to worry about. ^^
Was that to me? I thought there were many people using this without any problems. I'm interested in seeing the pics you said you'll have. I'm in no way calling you a liar or saying you don't know what you're talking about, I just want to see the proof you talked about on the previous page. If there is substantial evidence that the cocktail is not good, I'll be changing it out.
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Old 01-22-2008, 03:22 PM   #1159
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Quote:
Originally Posted by jhargis View Post
That's what kind of worries me about the cocktail... it seems to degrade pretty quickly, and I'm not keen on hearing the synchros wind up (something that's not supposed to be audible), didn't like that at all. I'm still on the 75w90 w/ 1 qt. synchromesh mix and haven't noticed any degradation of shifting performance or noise and I'm just passing the 15k mile marker on this batch of gear oil. I drained a tiny bit out into a clear cup (.25qt. or so maybe) a couple of weeks ago and didn't see any bothersome amount of metal or anything.

But on the fair side... I haven't noticed any "Scotty's cocktail broke my gearbox" threads and lots of folks still love it, so it's all up to preferences from there. Should be fine as long as you change it when it wears down.
How did you only drain a bit off? I filled 4 FULL quarts over the weekend and need to take out a bit of fluid.

What fluid are you running? I'd like to try the Super-S stuff, but I don't need a drum of it.
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Old 01-22-2008, 05:03 PM   #1160
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Loosened the drain bolt, and then let it out very slightly at an angle, with one side of the bolt thread still in contact with the trans, some came oozing out into a clear plastic cup I was holding, and then moved the plug back into the transmission threads when the cup was half full... Topped off with valvolene 75w90 (just a tiny bit to bring it back up to the full mark on the dip stick). BTW, good idea to do it with the engine/trans cold so the oil is not quite as thin/runny. If you don't get the plug at enough angle and you don't keep you arm out of the way, you'll just end up with gear oil running down your arm, so be careful, that stuff reaks.

I wouldn't recommend doing this in nice clothing though, my arm smelled like gear oil for the rest of the day... ew.

Since any mix of thinner synchromesh is not techincally recommended for our 5mt with the hypoid diff inside, I just wanted to make sure the oil wasn't full of an unusual amount of metal. Looked pretty normal to me... little bit of extremely fine "metal dust" for lack of a better term, but nothing unlike any other transmission oil change I've ever done. I doubt it would flow enough to allow any larger chunks out with the plug 1/2 in the way, but just didn't want to see any shavings or major metal debris in there.

I would suggest doing this every so often at first any time you are using a non-recommended lubricant in a gearbox or diff. At least that way you could possibly catch a problem before it becomes a catastrophic failure.

I am still on valvolene 75w90 dino with 1 qt. of pennzoil synchromesh mixed in... So far it is my favorite mix, wasn't hugely fond of the cocktail, but to each their own, and every transmission seems to react differently to different fluids.

Last edited by jhargis; 01-22-2008 at 06:34 PM.
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Old 01-22-2008, 06:00 PM   #1161
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Quote:
Originally Posted by IllNastyImpreza View Post
whats that ?

I've had the coctail for about 6k miles now... and I don't know if its the cold weather, or if its starting to break down or whatnot, but its been harder to shift the car lately.
The cocktail needs to be changed out every 10-12k anyway (compare that to like 30k or something with the Extra-S), the downside to mixing fluid is all of those things in the same case just makes them breakdown faster.

I had the cocktail for around 10k - I think really cold weather isn't too kind to this mix at all; near the end, the shifting was just really notchy and even my local dyno guy commented how awkward the 2-3 shift have gotten when he strapped my car down for a couple of runs. It looked like really thick chocolate milk when drained it. I just went back to the Extra S stuff about 3 months ago and haven't thought about all these different transmission mixes since.
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Old 01-22-2008, 06:07 PM   #1162
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I think I'm going with half lightweight shockproof and half Valvoline Synpower 75w90 next.
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Old 01-22-2008, 06:20 PM   #1163
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Originally Posted by FCmaniac View Post
I think I'm going with half lightweight shockproof and half Valvoline Synpower 75w90 next.
u may run into 'gunking' probs with that much shockproof.
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Old 01-22-2008, 06:41 PM   #1164
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u may run into 'gunking' probs with that much shockproof.
Please explain
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Old 01-22-2008, 06:59 PM   #1165
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I saw in the 2007 Impreza shop manual that different manufacturers fluids should not be mixed due to varying base oils and additive packages.
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Old 01-22-2008, 08:07 PM   #1166
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FCManiac- The shockproof really gels up in cold weather.

bueyeblue- the pics really didn't come out well. I's like trying to take a picture of chrome

The worded description in post #1144 is about as well as I can describe it.

-Dylan
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Old 01-22-2008, 09:33 PM   #1167
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Quote:
Originally Posted by FCmaniac View Post
Please explain
From what I understand, it is designed to coat metal...and it works really well at doing that. People have complained of probs (in this thread IIRC) with it in applications where they used a lot of it. Some searching on it in the Transmission forum will prolly yeild some good results.
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Old 01-22-2008, 09:52 PM   #1168
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Quote:
Originally Posted by DS1 Motorsports View Post
FCManiac- The shockproof really gels up in cold weather.

bueyeblue- the pics really didn't come out well. I's like trying to take a picture of chrome

The worded description in post #1144 is about as well as I can describe it.

-Dylan

Try not using the flash and have the light source coming from the left or right instead of behind or in front of the transmission.
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Old 01-22-2008, 11:30 PM   #1169
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I'd be interested in seeing some photos. I love the coctail thus far (2k miles) but don't want to rebuild a tranny just yet. I might be the only early 2002 owner who hasn't trashed his tranny at stg 4.
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Old 01-22-2008, 11:40 PM   #1170
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A couple weeks ago I noticed that my 4th gear was grinding if I shifted above 4k RPM, as well as 5th gear on occasion.

Been running scotty's cocktail for a few hundred miles, no more grinding. Even if I rapidly shift at 6k+ from 3rd to 4th, no grinding at all.

THANK YOU UNCLE SCOTTY!!!!!!!!!

Seriously though, the OEM gear oil is a joke. It was just like dirty water, I swear my motor oil was 100x thicker (and the car has less than 30k miles on it).
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Old 01-23-2008, 12:02 AM   #1171
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Do you think this wear is caused by the shockproof (since its a suspension of microscopic particles)? Or is this an issue of an incompatible fluid wearing the soft yellow metals faster? What about the shops that are putting straight shockproof in them? I didnt notice a HUGE difference over the redline 75w90ns, but I did notice an improvement. I dont have tranny problems, but I've been running it for about 20k with normal results and a daily commute. Of course, I always rev-match and I'm very kind with my shifts. These arent exactly performance models ya know.
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Old 01-23-2008, 01:46 AM   #1172
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Quote:
Originally Posted by DS1 Motorsports View Post
FCManiac- The shockproof really gels up in cold weather.

bueyeblue- the pics really didn't come out well. I's like trying to take a picture of chrome

The worded description in post #1144 is about as well as I can describe it.

-Dylan
I read #1144. What did you mean by "when the cocktail was used for a length of time...". How many miles were you reffering to? In your opinion, what amount of daily driving can the trans handle on this cocktail without seeing any real effects?
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Old 01-23-2008, 02:38 PM   #1173
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bugeyeblue-
Average mileage I saw wear with the cocktail was about 3-6k. The way the fluids separate inside the trans I honestly couldn't tell you that any amount of time is safe.

2sloforu- Honestly my photography skills suck. I will try and figure out how to shut the flash off to see if it helps.

-Dylan
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Old 01-23-2008, 09:05 PM   #1174
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What do you suggest using?
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Old 01-23-2008, 10:57 PM   #1175
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Quote:
Originally Posted by DS1 Motorsports View Post
It's the long term effects that you have to worry about. ^^

I've used pure syncromesh in my honda and so does 90% of the rest of the honda community. Hell, honda one of the most respected automakers puts regular dyno oil in their trannys and it recommends it in their owners manuals, so the redline and other synthetic oils can't adversely affect our trannys as much as you think. Also, I talked to a honda mechanic that has been working on hondas for 10+ years and he said they put the stuff in hondas (syncromesh) all the time if they grind and the cust doesn't want a rebuild. Also, a toyota tech that I know with 20+ years experience and has his own personal shop said that the syncromesh is THE best additive and/or tranny fuild he has used and seen results with. 2 quarts of light wt and syncromesh on top of the recomended 75w-90 isn't gonna harn anything. Oil is oil and this is alot better. I've been using it for over a year and it works great in -30 all the way up to 110, so I've been to the extremes and know what it can do. I drained it a while ago and it looked fine.
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