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G50 oil change error? Rookie owner.

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Old 08-04-2010, 12:35 AM
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gdwprice
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Default G50 oil change error? Rookie owner.

Hi everyone,

I was hoping for some advice. I finally bought an '88 3.2 and after a 400 mile drive home in it I thought I'd change the fluids and make sure it's ready for use (it sat for much of 2 years).

The good news is that when I drained the transmission I got nearly 3 quarts out. My motivation for changing it was to see if it improved shifting which is a little notchy. I was going to put in Swepco 201 but after reading on the forum I saw that Redline and Mobil 1 75w/90 were recommended over the Swepco for the G50. Here comes my error: I used a Mobil 1 75w/90 LS Gear oil and I gather this is not correct. At least that's my impression from further research - too slippery, additives harmful to softer internal components?

Currently all I've done is torque up the drain/fill plugs and drive it off the ramps. I was looking for some advice please. I mean, if it turns into a $40 gearbox flush then so be it, I'd hate to damage anything. If it does need changing should I warm the box up on a drive or is even that not recommended?

I gather what I should have bought is Mobil 1 Devlac 75w/90 for transaxles?

I'd appreciate any advice. THANKS!
Old 08-04-2010, 01:38 AM
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Eharrison
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Like I said earlier in my email. Flush it and order the correct oil from the website I linked.

You better post some pics of that new car or people will get pissed here.
Old 08-04-2010, 02:49 AM
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gdwprice
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It seems I can't post pictures!? In fact, I'm not sure how I ever made a living in computers because I have no idea how to add a profile pic.

I haven't taken many pics yet. I've either been driving it, working on it or actually working. As my wife gets closer to her delivery date I intend to put some more time in behind the wheel . . . . We're off on vacation next week so I'll try and take some pics before I leave.
Old 08-04-2010, 09:03 AM
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You are correct that the 75W90 Delvac is the correct fluid. After much research here and Pelican that is the consensus oil for the G50.

I did a flush using Delvac and shifting is great
Old 08-04-2010, 12:42 PM
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ron mcatee
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You not able to post pictures because you are USER and not a member. Then you'll be able to. Scott, where in Texas are you?
Old 08-04-2010, 01:03 PM
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Hi Ron,
I'm in Dallas but have family (Mom and sister) in SA. They live near the 1604/Bandera rd area near Helotes.

In what part of SA are you located?
Old 08-04-2010, 03:13 PM
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ron mcatee
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Northern Hills by the golf course. West of Nacogdoches between O'connor and Thousand Oaks.
Old 08-04-2010, 04:00 PM
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Great area.... I miss SA a lot. It is one of my favorite towns. Now if only all the traffic would go away.....
Old 08-04-2010, 06:07 PM
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Eharrison
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Originally Posted by ron mcatee
You not able to post pictures because you are USER and not a member. Then you'll be able to. Scott, where in Texas are you?
I do not believe you need to be a member to upload pics.

Price, use the info in this link: Posting a pic
Old 08-04-2010, 06:51 PM
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ivangene
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+1 Ed,
user can post pics,...... and should
Old 08-04-2010, 07:40 PM
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So what's he waitin' fer?

Old 08-04-2010, 08:00 PM
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ivangene
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Elvis
Old 08-04-2010, 11:12 PM
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gdwprice
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https://rennlist.com/forums/members/gdwprice-albums-blue-picture7250-a.jpg[/IMG]

I'm struggling with the site still. No doubt it'll come to me as I put in the hours. . .
Old 08-04-2010, 11:12 PM
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and again!
Old 08-04-2010, 11:28 PM
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Ed Hughes
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Well, non-member one minute, member the next. Congrats!

The LH tail light looks great!


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