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How do I check the fluid in a T-15 3 speed trans?

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tom999q View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote tom999q Quote  Post ReplyReply Direct Link To This Post Posted: Apr/18/2019 at 9:30pm
Thanks guys, I'll replace it. It's in a car that's been sitting in a barn for forty years. It hasn't run since 1979 but will be soon...
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Post Options Post Options   Thanks (0) Thanks(0)   Quote tom999q Quote  Post ReplyReply Direct Link To This Post Posted: Apr/25/2019 at 11:05pm
Hi All, How many quarts of 80/90 gear oil does the transmission hold?
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tyrodtom View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote tyrodtom Quote  Post ReplyReply Direct Link To This Post Posted: Apr/26/2019 at 6:45am
About 2 or 2.5 quarts.

With the car sitting level,  until it just barely starts coming out of the fill hole ( check plug ).
66 American SW, 66 American 2dr, 82 J10, 70 Hornet, Pound, Va.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote purple72Gremlin Quote  Post ReplyReply Direct Link To This Post Posted: Apr/26/2019 at 8:33am
and I would not put GL-5 lube in it. I would run either GL-4, or synchomesh fluid....
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Post Options Post Options   Thanks (0) Thanks(0)   Quote tom999q Quote  Post ReplyReply Direct Link To This Post Posted: Apr/26/2019 at 10:21am
Awesome, thanks for the info guys! After 40 years of sitting in a barn, I'm going to get this car running yet...
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Post Options Post Options   Thanks (0) Thanks(0)   Quote tomj Quote  Post ReplyReply Direct Link To This Post Posted: Apr/26/2019 at 11:13pm
i'd replace all the fluids before you start it... including the entire contents of the gas tank. and carefully look in the gas tank. it's safe to say that if you run that engine on old gasoline you will flat-out ruin it. done and done. no matter how much a PITA it is to get rid of the contents and clean it out, it's gotta get done. bad results are nearly universal.

for that matter all rubber is gone bad. all of it. all fuel lines including back on the tank, and under the hood. fuel hose though is probably the short-term concern.

we should almost have a board devoted to 'barn finds'!

1960 Rambler Super two-door wagon, OHV auto
1961 Roadster American, 195.6 OHV, T5
http://www.ramblerLore.com

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Post Options Post Options   Thanks (0) Thanks(0)   Quote tyrodtom Quote  Post ReplyReply Direct Link To This Post Posted: Apr/27/2019 at 7:32am
I wouldn't even try running it with new gas in a old tank.

I had a big problem from doing that.

Even though I took all the old gas out,  the new gas dissolved the deposits in the tank,  and then it all flowed downstream and re-solidified  in other places, fuel line, fuel pump, and carb.

Was so solid in the fuel line I couldn't even push a coat hanger wire through it.  Had to replace all the flexible fuel line, replace the fuel pump diaphram, rebuild the card,  and drop the tank.

Do yourself a favor,  on the first start, start it on new fuel fed from a gallon can hooked up close to the fuel pump.


66 American SW, 66 American 2dr, 82 J10, 70 Hornet, Pound, Va.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote tom999q Quote  Post ReplyReply Direct Link To This Post Posted: Apr/27/2019 at 12:06pm
Hmm, So what's the alternative, to buy a new gas tank before I start the car? I was hoping just to siphon any old gas out, if any, then pour new gas in to dilute and dissolve any deposits. But it's now sounding like the worst case scenario. Maybe some kind of gas additive would help prevent things getting clogged up, or maybe a temporary heavy duty filter in line before the fuel pump just to get the majority of the gunk out...
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Have2SC's Quote  Post ReplyReply Direct Link To This Post Posted: Apr/27/2019 at 12:19pm
Originally posted by tom999q tom999q wrote:

Hmm, So what's the alternative, to buy a new gas tank before I start the car? I was hoping just to siphon any old gas out, if any, then pour new gas in to dilute and dissolve any deposits. But it's now sounding like the worst case scenario. Maybe some kind of gas additive would help prevent things getting clogged up, or maybe a temporary heavy duty filter in line before the fuel pump just to get the majority of the gunk out...
  Pull the tank and send it to someone to get it cleaned out. DO NOT put new fuel in a old tank thats been sitting for forty years. You are asking for alot of problems.    
1971 SC360 Hornet 4 speed   1970 Javelin 390 4 speed "Base Model" 1967 Rambler 220 X code 343 4 speed
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Post Options Post Options   Thanks (0) Thanks(0)   Quote tyrodtom Quote  Post ReplyReply Direct Link To This Post Posted: Apr/27/2019 at 12:38pm
 I don't know how long my 66 American had been sitting idle before I bought it,   but it certainly wasn't anything near 40 years.
But when I did take that tank down and looked inside I could immediately see it was well beyond just putting in fresh gas to wash it out,  it had deposits about 1/4 to 1/2 inch thick all over the inside of the tank.   And I had already removed some of it with the fresh gas.   
I took put fresh gas.  gravel,    shook it hard for many minutes.   Still not clean,  did it again with ,  lacquer thinner, and gravel.   Still not perfect,   finally muradtic acid, and gravel got it clean to my satisfaction. Spent a couple of days doing this.

If I had just added fresh gas and filtered it.   By the volume of trash that come out of it,   it would have just immediately stopped up the filters.

If I had it to do over again,  I would have sent it to a shop that is set up for doing such stuff.   Maybe a  shop that does big truck radiators.


Edited by tyrodtom - Apr/27/2019 at 12:40pm
66 American SW, 66 American 2dr, 82 J10, 70 Hornet, Pound, Va.
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