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A new 300TD - but what year?
I just bought a 300TD with the 5-cyl turbo. The car was sold to me as a 1984. I am a bit puzzled, however, as the car has that blue transmission vacuum amplifier unit which I thought was only included starting in 1985. Now, because the car has been repainted, there is no door sticker . The Russian site lists it as (approx.) 1984 based on the VIN. Is there another way to tell what year this thing is?
What I am really interested in is the rear diff ratio. As far as I know, the -85 model year had the 2,88 and the rest had the 3,07. But, of course, in my case, there is no marking on the rear diff. The reason why I am interested is that my car shows speed incorrectly: when the needle shows 50 mph (81 km/h), the real speed is 46( 74 km/h). So... What I am trying to get to is, if the car is in fact a 1985, then maybe somebody has swapped the 2,88 for the 3,07. The instrument cluster itself looks to be pretty "virgin" BUT has no tach ?!?! Could it be from a non-turbo? I am puzzled...Any ideas?
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1983 300SD, 1999 200 cdi and 1998 1,6 (gasser) |
#2
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Quote:
My turbo '81 300TD has no tach.
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Brad 1981 300TD - daily driver 1963 Chevy II 2001 F-250 7.3 Power Stroke |
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Where is the sensor that measures speed on these cars? I just assumed it was somewhere close to the wheels, but it sounds like that's not the case if a rear end change could affect the speedometer reading.
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" We have nothing to fear but the main stream media itself . . . ."- Adapted from Franklin D Roosevelt for the 21st century OBK #55 1998 Lincoln Continental - Sold Max 1984 300TD 285,000 miles - Sold The Dee8gonator 1987 560SEC 196,000 miles - Sold Orgasmatron - 2006 CLS500 90,000 miles 2002 C320 Wagon 122,000 miles 2016 AMG GTS 12,000 miles |
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Quote:
Shoot...I was going to ask if you had a tach amp or not , that's usually a tell tale. I think there's also some difference with the way the EGR valve is controlled. Is it a european model? Does it have little bumpers and other oddities beside no tach? My speedometer is off as well...probably about as much as what you're indicating. When my speedo reads 75, I'm really going 66-67. So going 46 and reading 50 wouldn't be out of the question..at least on mine. If I really had to figure out the rear end ratio on mine, I'd lift the back end, rotate the drive shaft once and measure how far the rear wheels rotate. Actually, it'd be better to lock one wheel and measure how far the other one spins, then divide by two. It wouldn't be too hard with a plumb bob and a tape measure (to accurately measure the tire circumference). The most direct way, though, is to count the teeth on the gears
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1985 300TD-euro 352,000 mi 1974 240D (1?)52,000 mi - has a new home now |
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Isn't there some kind of device that will compensate for changes like this to give you the correct speed? It seems like I remember hearing someone mention such a device.
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" We have nothing to fear but the main stream media itself . . . ."- Adapted from Franklin D Roosevelt for the 21st century OBK #55 1998 Lincoln Continental - Sold Max 1984 300TD 285,000 miles - Sold The Dee8gonator 1987 560SEC 196,000 miles - Sold Orgasmatron - 2006 CLS500 90,000 miles 2002 C320 Wagon 122,000 miles 2016 AMG GTS 12,000 miles |
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are you sure there is no marking on the diff? it should be at about 7 0clock position on the rear below the cover. also post the part number on the speedo- it is on the bottom.
my 84 does not have a tach amp, and it does not have the blue tranny crap.
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1984 123.193 372,xxx miles, room for Seven. 1999 Dodge Durango Cummins 4BTAA 47RE 5k lb 4x4 getting 25+mpgs, room for Seven. |
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It's an electronic device and it needs an electronic signal.........found on the W-126..........but not the W-123.
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provide us with the VIN and we'll see what it says.
Whatever the case, unless it is a Euro version, your instrument cluster is in question. 84 or 85 should have a tach. Where is your air cleaner? Just to the right of valve cover or more up by the right headlight area?
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Jimmy L. '05 Acura TL 6MT 2001 ML430 My Spare Gone: '95 E300 188K "Batmobile" Texas Unfriendly Black '85 300TD 235K "The Wagon" Texas Friendly White '80 240D 154K "China" Scar engine installed '81 300TD 240K "Smash" '80 240D 230K "The Squash" '81 240D 293K"Scar" Rear ended harder than Elton John |
#9
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Gotcha. So, is there some type of mechanical adjustment to correct the speedo reading?
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" We have nothing to fear but the main stream media itself . . . ."- Adapted from Franklin D Roosevelt for the 21st century OBK #55 1998 Lincoln Continental - Sold Max 1984 300TD 285,000 miles - Sold The Dee8gonator 1987 560SEC 196,000 miles - Sold Orgasmatron - 2006 CLS500 90,000 miles 2002 C320 Wagon 122,000 miles 2016 AMG GTS 12,000 miles |
#10
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An 85 would have a small square door on the passengers kick panel with an egr computer inside of it.
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1996 E300 110,000 1985 300TD 212,000 1980 300D 238,000 |
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I remember someone posting not too long ago about taking apart the speedo and adjusting the coil spring. At the fixed end of it, the spring is clamped and you can take it in or let it out, which changes the speedo reading.
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1985 300TD-euro 352,000 mi 1974 240D (1?)52,000 mi - has a new home now |
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Not ironclad, but we may be able to tell if you post a pic taken from just behind the rear passenger seats from the cargo area (split rear seat and carpeting) and also of the back of the front seats, as if taken from the outside with the rear passenger door open.
Interior pic of of the entire front dash area would also be helpful.
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85' 300D 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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Very cool to get so many excellent responses - thank you all!!!
It is definitely a euro. No power windows or seats - even the sunroof is operated manually. The VIN is: 123193F034753. The number on the cluster is 123 542 66 01. Also, I forgot to mention, tires are of the correct size... 195/70/R14. Couple of clues... 1. The rear seat is one piece 2. There is a tach amplifier and pick up by the balancer and it all looks original from the factory, but no tach in the cluster (just the clock). Why would they not install a tach at the factory if everything else is already there? 3. Air cleaner is right by the motor (above the turbo) 4. No square door on the passanger kick panel I do have one silly question regarding the wagon. I am not getting any fluid being squarted on the rear window. I don't hear a pump either. Where is the reservoir and pump located for the rear window washer?
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1983 300SD, 1999 200 cdi and 1998 1,6 (gasser) Last edited by Johtotahti; 01-21-2009 at 12:06 PM. |
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Quote:
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1996 E300 110,000 1985 300TD 212,000 1980 300D 238,000 |
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That's what I was afraid of... no reservoir there.
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1983 300SD, 1999 200 cdi and 1998 1,6 (gasser) |
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