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#1
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How slow is an NA OM617?
I went to look at a 1980 300td today (not going to buy it though, it has too many problems, and its likely doomed to go to the crusher as a result of the government price fixing of used cars in this area). It seemed to run ok (idled smooth, and no smoke) although it was hard to start and had almost no oil pressure. The transmission was dying too, which had at least a little bit to do with it, but it was much slower than even a 240D 4 speed, and far slower than my 300sd. Are they really that slow? Or was this one just in really bad shape.
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#2
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I know how to measure how fast or quick something is but how do you measure how slow something is?
The literature says a 300D AT is a couple of ticks quicker to 60 mph than a 240D MT. I suspect the MT 'feels' quicker. The 300D might feel less responsive than a Taurus but it shouldn't feel very different from a 240D. Sixto 87 300D |
#3
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Really bad shape. A properly running NA 617 should have about 25ish more HP than a 616 240d...so significantly more power. Sounds like it was probably heavily abused and would need a lot of work. If the engine was running ok it is probably save-able.
__________________
-diesel is not just a fuel, its a way of life- '15 GLK250 Bluetec 118k - mine - (OC-123,800) '17 Metris(VITO!) - 37k - wifes (OC-41k) '09 Sprinter 3500 Winnebago View - 62k (OC - 67k) '13 ML350 Bluetec - 95k - dad's (OC-98k) '01 SL500 - 103k(km) - dad's (OC-110,000km) '16 E400 4matic Sedan - 148k - Brothers (OC-155k) |
#4
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Yeah I've got one - they are super fast cars!
Well back to reality... a non turbo W123 300D should be able to achieve about 140 - 150 kph and perhaps a bit more => that's about 90 mph with the standard rear axle. Even with the autobox acceleration is quite acceptable in modern traffic - you can most certainly keep up with it - you shouldn't have the feeling that you are a slow Grandma and in the way even in aggressive rush hour traffic where quite honestly you're not going to be the first one to cut across from the outside lane and off to the exit you want. So in busy traffic you need to think ahead and not rely on pushing your right foot into the carpet and squealing your way across four lines of traffic at the last moment...
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1992 W201 190E 1.8 171,000 km - Daily driver 1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone 1965 Land Rover Series 2a Station Wagon CIS recovery therapy! 1961 Volvo PV544 Bare metal rat rod-ish thing I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior Don't leave that there - I'll take it to bits! |
#5
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One running properly is not all that bad. Nowhere near a turbo model of course but seems noticeably better than the 240ds in my opinion. The one you drove sounds like it had one wheel into the crushers already.
Remember it gets a certain amount of boost with the higher rear end ratio. This tends to make it somewhat noisier on the highway than a turbo model as well. |
#6
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Disagree
Quote:
* 100 -105 MPH is great, but rare due to age/wear factors. * 85 - 99 MPH is good. * 71 - 84 MPH acceptable. * 65 - 70 MPH marginal. * 64 MPH or less is IMO dangerous. It sounds like the car has major fuel infestation + lack of maintenance. .
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ASE Master Mechanic asemastermechanic@juno.com Prototype R&D/testing: Thermal & Aerodynamic System Engineering (TASE) Senior vehicle instrumentation technician. Noise Vibration and Harshness (NVH). Dynamometer. Heat exchanger durability. HV-A/C Climate Control. Vehicle build. Fleet Durability Technical Quality Auditor. Automotive Technical Writer 1985 300SD 1983 300D 1984 190D 2003 Volvo V70 2002 Honda Civic https://www.boldegoist.com/ |
#7
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Quote:
I've also just found this - there's often a slight difference between factory spec, real life capabilities, and indicated speed though W123-300D-Getriebe/en
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1992 W201 190E 1.8 171,000 km - Daily driver 1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone 1965 Land Rover Series 2a Station Wagon CIS recovery therapy! 1961 Volvo PV544 Bare metal rat rod-ish thing I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior Don't leave that there - I'll take it to bits! |
#8
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Yeah, I am pretty sure this one had a major lack of maintenance. I couldn't imagine it was supposed to be that slow, but I was just surprised that it still idled well and didnt smoke. Its still the cheapest 300TD on craigslist, and the only driveable one under $3k, but by the time I replaced the transmission, either replaced the engine or whatever worn parts make it have almost no oil pressure, the leaking oil cooler lines, tires, fixed the fuel system problem, fixed the SLS, replaced 3 or the window regulators.... paying $6500 for a nice one would look like a good deal.
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#9
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In a TD --pretty slow,
in a CD--almost acceptable-- in a cd--with a stick shift, acceptable. |
#10
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Out of curiosity, how many miles on said beast?
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Never be ashamed to ask for help. 1985 300D 1987 300SDL 1970 Jaguar E-Type OTS 2002 Dodge Intrepid (Traded In) 2011 Ford Crown Victoria |
#11
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About this fast....
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1991 560 SEL / 185k miles 1992 750il / 17k miles - project car Last edited by LandYaghtLover; 01-08-2012 at 11:11 PM. |
#12
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Quote:
In countries where you drive on the left & so are RHD, only NA 617's were imported. If you get an update 617NA in good condition it will be fine.
__________________
Grumpy Old Diesel Owners Club group I no longer question authority, I annoy authority. More effect, less effort.... 1967 230-6 auto parts car. rust bucket. 1980 300D now parts car 800k miles 1984 300D 500k miles 1987 250td 160k miles English import 2001 jeep turbo diesel 130k miles 1998 jeep tdi ~ followed me home. Needs a turbo. 1968 Ford F750 truck. 6-354 diesel conversion. Other toys ~J.D.,Cat & GM ~ mainly earth moving |
#13
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Mine is a pretty good runner with 165K. Off the line, it is about like driving a typical 4 cylinder automatic car. Once it is up to 70 on the highway, it will hold it's own on the grades. Before I replaced the slipping transmission, I had it floored doing 90 mph on a long stretch. I am sure it will do 100.
I test drove 2 other 300D's in my search that were turbo. They had 300K+ on them and were dogs. One of them was $600.00, very rough shape, and it ran but the engine shook like mad and had about 30 hp left in it. It leaked fliuds out of every imaginable place. The other was a dog too but looked nice, it had rotted from the inside out due to blocked drainage. I was actually going to buy it for 800.00 but the guy forgot to bring the title. I am happy about that! |
#14
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Quote:
2 factors to consider; Just because the graph doesnt go that far doesnt mean the car wont. Yours is either the first of the 617's ~ gutless, or the first update ~ not too bad. The last of the 617's were much better. I have owned & driven both the first update & the last ones & there is a difference.
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Grumpy Old Diesel Owners Club group I no longer question authority, I annoy authority. More effect, less effort.... 1967 230-6 auto parts car. rust bucket. 1980 300D now parts car 800k miles 1984 300D 500k miles 1987 250td 160k miles English import 2001 jeep turbo diesel 130k miles 1998 jeep tdi ~ followed me home. Needs a turbo. 1968 Ford F750 truck. 6-354 diesel conversion. Other toys ~J.D.,Cat & GM ~ mainly earth moving |
#15
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351k, but the odometer was not working.
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