290 GTD vs 300 TD on biodiesel
Hi All,
I'm at odds about getting a 290 TD or a 300 TD. My single biggest concern is that I've been told that the 290 can't run on biodiesel....but nobody can tell me why. After all the 290s have the 'older 5 cylinder all-mechanical engine and I've been told that any car built in Europe after 1994 will have the 'new spec' seals/rubber in the fuel lines that will not perish with biodiesel use (i.e. that the fuel pump should work). So why can a 1998/99-built 300 TD run on the stuff but a 1998/99-built 290 TD can't. Does anyone know?.......or better still, has anyone disproved the gossip and run a 290 TD on biodiesel without any issues? Would greatly appreciate any input/clarity on this matter.
Personally, in terms of cars, I prefer the more utilitarian 290/461. I realise that the 300 is in a completely different performance category, but we need something that can be 'washed out', i.e. not carpeted/plush/463-like!
Thanks/Ph
I believe that it is simply down to the fact that the OM602D29LA that powers the G290GDT has direct injection and vegetable oils need a prechamber to ignite, whereas the G300 Turbodiesel is powered by the OM603D30LA which has indirect injection.
Check this databse for owners experiences with vegetable oil: http://www.rapsdb.de/view.php?marke=Mercedes
Mortinson/Phileas
Is the E290/W210 (95kW), build year 1996, the same engine as in the G290TD (build year 1998/99)? If so, all is well, it will run.......I saw a few clips on youtube, but it looks much more modern (and more electronic).
Using one link to the next, this one came up (under a W210 search), but I'm not sure it is. This engine looks more familiar from a vintage point, but its a 6 pot, as opposed to five (http://www.youtube.com/watch?v=j5SCmDJnN9k&feature=related). Its Spanish and I don't understand the lingo, could you help me out please with what it says?
Thanks in advance/Ph
Lots of old Sprinters running bio, and theres plenty of info out there.
212's 312's and 412's have the same engine as the G290TD
E290 is the same, but I think you'll find more info on Sprinters, just a lot more of them about.
Mark and Mortinson,
Thanks to you both for the info. Mark, you're right, there are a lot of sprinters out there running on bio and veg oil conversions. It does seem as if this rumour that the 290 GTD can't run on boidiesel is a falsehood. What I did read quite a lot about was that eventually injectors needed to be cleaned out (or upgraded) in order to get the fuel into the cylinders more efficiently: mind you this was more from people running pure vegoil and the ones that ran on a 70/30% mix didn't seem to have any issues.
Now all I have to do is find a nice one! Ph
I do not know, but have read various bumph re "estrification of the engine oil" if running on SVO. ie as Jesus comments SVO needs prechambers to burn in, ie der old XUD Peugeot?Citroen engine.
However
Good , properly made ..........and even more importanly properly filtered ..............with absolute water/moisture removal biodiesel.
SHOULD burn like Dino Diesel
I think?
Certainly I would run the 290 Van on 100%Biodiesel , if I could get it at a sensible price, i'll be buggered if I can be arsed to make it myself.
Mortinson/Phileas
Is the E290/W210 (95kW), build year 1996, the same engine as in the G290TD (build year 1998/99)? If so, all is well, it will run.......I saw a few clips on youtube, but it looks much more modern (and more electronic).
Using one link to the next, this one came up (under a W210 search), but I'm not sure it is. This engine looks more familiar from a vintage point, but its a 6 pot, as opposed to five (http://www.youtube.com/watch?v=j5SCmDJnN9k&feature=related). Its Spanish and I don't understand the lingo, could you help me out please with what it says?
Thanks in advance/Ph
This engine is a OM603D30A as fitted to a W124 E-Class 300 Turbodiesel. I know i because I know the guy. So indirect injection.
I don't know about Sprinters but I know that in Germany nobody runs direct injection engines on SVO. I think it's about what Marcus suggests: if you don't have prechambers, the oil does not burn completely, eventually finding its way past the piston rings into your oil pan and destroying your engine oil.
What I can say is that there a no direct-injection Mercedes in this site: http://www.rapsdb.de/view.php?marke=Mercedes
OK. Thanks Morti. ph
Don't confuse biodiesel with vegetable oil. Most diesels can run biodiesel... but few can run straight vegetable oil.
Also with a few changes many things can be made to run on SVO - including the G270 CDI...
Don't confuse biodiesel with vegetable oil. Most diesels can run biodiesel... but few can run straight vegetable oil.
Also with a few changes many things can be made to run on SVO - including the G270 CDI...
I beg to disagree... high-pressure injection pumps such as the ones fitted to CDI engines do not go very well with SVO... hence no CDIs in the German owners' list!
Maxwell Smart wrote:Don't confuse biodiesel with vegetable oil. Most diesels can run biodiesel... but few can run straight vegetable oil.
Also with a few changes many things can be made to run on SVO - including the G270 CDI...
I beg to disagree... high-pressure injection pumps such as the ones fitted to CDI engines do not go very well with SVO... hence no CDIs in the German owners' list!
German SVO specialist Elsbett makes a conversion kit for the G270 CDI and provide a warranty against damage with it... part number 44900027.
JOIN THE GWOA
This website and forum are provided for the benefit of enthusiasts and owners of all Mercedes Benz off road vehicles, in particular the G Wagen. The costs of development, upkeep and provision of the site are met entirely by the annual subscriptions of club members. If you are using the site and are not a member of the G Wagen Owners Association please consider joining. You will have access to areas on the site that are not open to non members, to club trips and meetings and to technical assistance. In addition your contribution (only £25 annually) will help us maintain and develop our website for future users.
Who's new
- Jaffa_JIM_23
- Wrabstar
- GG
- KTMSCANIA22
- 280ge
Hi Mortinson,
Thanks for the answer. Not so sure about the direct injection as my old LR TDI has been running on the stuff for a very long time no problems. I believe this is also a direct injection. Anyone know?
Again, appreciate your input/Ph