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Old 12-07-2004, 05:52 PM
DieselBone's Avatar
for the glory.....
Join Date: Dec 2004
Location: Mechanicsburg, Pennsylvania
Posts: 355
winter oil for my 300TD


I am new to this forum and wanted to say something about myself. I am 19 go to school at Indiana University of Pennsylvania. My father and I own the following MBs
1971 280SEL - green
1976 280S - white
1976 280C - mellon
1979 240D - cream
1982 300D - marron
1983 300TD (1) - gold
1983 300TD (2) - cream

Anyway, we both love our MBs, and the cream 300TD is my daily driver.
Winter is starting to show its face in western PA, and I was wondering if there is a better "winter" oil for it, I have always run Rotella (sp?) T 15w-40, and it just seems like it turns over slower now that its cold, i have 900 CCA battery (new) and all the cables are good. Would moblie 1 or another synthtic oil be good??? and what grade too???? Another question.......My kick down swtich has stopped working all together now, it used to work in high gear only, but now its not kicking down at all.....whats going on???

Last edited by DieselBone; 12-07-2004 at 05:53 PM. Reason: spelling
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Old 12-07-2004, 06:14 PM
phidauex's Avatar
BioDiesel Hopeful
Join Date: Oct 2004
Location: St. Louis, MO
Posts: 806
Oh no! An oil thread!

Seriously though.. you'll get a lot of opinions, but in general, you won't go wrong with a lighter weight oil for cold starting.. A generally approved oil that won't make people scoff at you would be Mobil Delvac 1, available at some truck stops and auto parts stores, and online at (now on sale for 94$ for 4 gallons + 1 oil analysis). Its a fully synthetic 5W-40 for great cold performance. No one claims that its a bad oil, though some people think it is 'overkill'. The worst that could come from using it is that you might be spending a little more for your oil than you have to. However, in cold weather, it sounds like a good plan, and is what I'm changing with in the next week, once my order comes in.

Other good choices might be Amsoil's 5W-30 or 15W-40 diesel oil. The 15W-40 is the same weight you are using now, but a fully synthetic, meaning its cold weather performance is better than a dino oil of the same weight.

Cheaper still would be Rotella's semi-synthetic, with the same weight, but again, better cold weather performance from the synthetic portion.

Also, get your battery load tested just to be sure, and if nothing seems to help you crank better, you may need a new starter. However, a lighter weight synthetic oil is a good choice for cold weather starting.

"That f***in' biodiesel is makin' me hungry."

1982 300TD Astral Silver w/ 250k (BIO BNZ)
2001 Aprilia SR50 Corsa Red w/ 5.5k (>100 MPG)

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Old 12-07-2004, 06:37 PM
TwitchKitty's Avatar
Я не хакер
Join Date: May 2004
Location: Varies
Posts: 4,711
Hi, welcome to the forum. There are enough oil threads here to fill several volumes. We make fun of people who post new ones.

Most any question you have has already been answered and if you need answers fast, just search. Go to advanced search, the little search box is not good for much.

You may want to read about oil filters too.
Don't believe everything you think. Especially don't believe everything that you feel. Radical Subjectivism is rampant on this forum.

Douchebags suck. Make Douchebags Great Again or not. Why bother?
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Old 12-07-2004, 07:24 PM
DieselBone's Avatar
for the glory.....
Join Date: Dec 2004
Location: Mechanicsburg, Pennsylvania
Posts: 355
Thanks......I figured oil would have been a popular thing.....I should have used the search

Any news about my kickdown switch problems?????
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Old 12-07-2004, 09:12 PM
Waitn For The Bus All Day
Join Date: Jul 2004
Location: south east pa.
Posts: 1,786
Originally Posted by DieselBone
Thanks......I figured oil would have been a popular thing.....I should have used the search

Any news about my kickdown switch problems?????
Yup-sounds like your switch needs replacing.

Welcome to the forum. You will find this site invaluable. I consider everybody here my friends and feel as though I know them, which I do, but have not met any of them face to face or should I say bumper to bumper.

Oil--sheesh, well here's my two cents--I live in Eastern Pa. and I still have 15W40 Rotella in mine with no slow turnovers yet. Doubt I'll change to the reccommended 5W40 because my car stays parked for most of the winter due to the huge amount of salt they put on the roads these days. You'll find many of these cars running fine, but they won't pass inspection due to the rust.


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Old 12-07-2004, 09:20 PM
Registered User
Join Date: Sep 2003
Location: Back in Colorado for now
Posts: 1,315
Go to Wally World and buy Rotella-T Synthetic 5w-40. It's not a "true" synth, but it's cheap and is 5W-40 and diesel rated.

Next up would be Mobil 1 Synth Truck and SUV oil from Checker, Shucks and Wally World again (it's the same as Delvac 1.)
1984 300D Turbo - 4-speed manual conversion, mid-level resto

1983 300D - parts car

1979 300TD Auto - Parts car.

1985 300D Auto - Wrecked/Parts.


"If you don't know where you are going, any road will get you there". Lewis Carrol
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Old 12-07-2004, 10:56 PM
LaughingGravy's Avatar
Mmm.... Diesel.
Join Date: Oct 2003
Location: N. NJ
Posts: 434
Welcome from another gold 300TD owner

It's great to know of someone else weth a Gold 83' 300TD.
When my wife first saw it...
"It's a station wagon."
"And it's gold"

That was it.
2 years later, she drives it any chance she can get.

Do you or your dad maybe wanna get rid of any pesky cross bars off the roof racks that make all that extra wind noise?

Anyway, welcome. If you're ever going to be in North Jersey, give a holler on the forum.
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winter oil for my 300TD-im000010.jpg  
'83 300TD, 234K with Euros and antique plates. No inspection, No registration fees, Cheap insurance
"If my calculations are correct, when this baby hits 88 miles per hour, you're going to see some serious %$&^."
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Old 12-07-2004, 11:15 PM
george_hannah's Avatar
The Diesel Guy
Join Date: May 2004
Location: Chadds Ford, PA
Posts: 82

Welcome to the board!!!!!!!!!!!!!!!

I like your car collection a lot!!!!!!!!!!!


'81 300TD (White) 225,000 miles
'85 300SD (Burgandy) 239,000 miles
'86 300SDL (Silver) 340,000 miles
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Old 12-08-2004, 12:06 AM
DieselBone's Avatar
for the glory.....
Join Date: Dec 2004
Location: Mechanicsburg, Pennsylvania
Posts: 355
LaughingGravy, In matter of fact, we have two sets of cross bars for wagons. The gold wagon right now is a non-runner, we bought it from a friend of my dad who works & sells MB's, this one was owned by a lady and ran her out of oil, it isn't locked up. I could never get it started either, it wants to start, but never makes it..........make me an offer on the bars......I might want to let them go.... The bodies on both the wagons are PERFECT......we were lucky to find them.

george_hannah, thanks, we enjoy our small collection, have a couple of domestic oldies but goodies too.

I enjoy the board thanks!

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