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+--- Thread: Euro Conversion Questions (/showthread.php?tid=5467)
Euro Conversion Questions - hetiticth - 03-25-2014
Hello! This is my first post to the forum, and hopefully some of my questions haven't been asked before-- but if they have, my bad..
So, I am in a situation where I have two different w123 300d's.
The oldest is a 1984 300d (Cali model, I believe), that I have recently acquired (in the past week, actually). So far, everything is in working order. There's a bad oil leak that I am working on, but other than that all is well.
The second, supposedly newer, car is what I believe is a 1985 Euro 300d NA. I say that I believe it is an '85, because that is what is said on the title. However; it has an older-style cruise control system, and a few other things which could indicate the year is wrong.
Unfortunately, the transmission has started slipping in this car. This is the reason for the new one.
For the majority of the time, I am a "driveway mechanic". Over the summer, I go to my Dad's place, and I have access to a ton more equipment there. (Lift, press, milling machine, lathe, etc.)
Money is a big obstacle though, so I will try to do everything myself first, unless I haven't the equipment for it.
And now, for the purpose of the post:
I am interested in knowing what can be switched from the Euro to the federali car in order to improve performance(engine-wise).
The euro has an M-pump that I intend to take off and put new elements on. I am thinking around 7 or 8mm, but I am still undecided.
Does anyone know what the original element size is?
I know that the M-pump is lubricated using the cam on the Euro. Would it be possible to just transfer the camshaft from the Euro, or is that just too easy?
I intend to install an intercooler soon, and work my way up to a larger turbo. The best pace for this seems to be in front of the radiator. There are two support bars in front of this (and there used to be a fan, but that has since been removed-- not my doing). I intend to install the Euro bumpers this coming weekend, and hopefully there will be more clearance. Will an intercooler help at all with the stock turbo?
If there is anything else that I could switch, please don't hesitate to mention it!
Well, any help would be appreciated. I have looked around a bit, and I see some subjects touched, but nothing really definite. I can provide pictures of the differences between parts when switching things, if anyone is interested.
Many thanks!
~hetiticth
RE: Euro Conversion Questions - w123love - 03-26-2014
Check the rear ends. See which one you would prefer. '85 is usually a 2.88, better for mileage than a 3.05 or something. The bumpers are lighter, (and better looking) so that's always a plus. Elements I think are like 5.5 or something. Do your fuel before your serious turbo project, as the turbo can handle anything your current pump can push out.
RE: Euro Conversion Questions - sassparilla_kid - 03-29-2014
Euro bumpers also crush like beer cans in a wreck, while the US bumpers don't, which is why I have a set of them in my garage and not on my car lol. That being said, if the Euro car had Euro lights I'd switch them over with the bumpers
RE: Euro Conversion Questions - hetiticth - 03-30-2014
Bumpers and lights will be moved over before next weekend. I've spent the whole weekend trying to fix a bad oil leak. Replaced the seal at the end of the crank, and that took awhile.
Is there any difference between the two radiators, other than the overflow container? I would like to move the radiator from the Euro over, because it is much cleaner, and will probably cool better.
RE: Euro Conversion Questions - Purplecomputer - 03-31-2014
(03-30-2014, 03:19 PM)hetiticth Bumpers and lights will be moved over before next weekend. I've spent the whole weekend trying to fix a bad oil leak. Replaced the seal at the end of the crank, and that took awhile.
Is there any difference between the two radiators, other than the overflow container? I would like to move the radiator from the Euro over, because it is much cleaner, and will probably cool better.
the euro bumpers are nice but dont get into an accident. they do absolutely nothing to protect you. Just look at my car.
but i can never go back to federal bumpers.
I would also check the rear differential, if you swap it make sure you also swap the instrument cluster as the gears in the speedometer are match to the differential. (I think thats the right wording)
RE: Euro Conversion Questions - hetiticth - 03-31-2014
(03-31-2014, 11:55 AM)Purplecomputer the euro bumpers are nice but dont get into an accident. they do absolutely nothing to protect you. Just look at my car.
but i can never go back to federal bumpers.
I would also check the rear differential, if you swap it make sure you also swap the instrument cluster as the gears in the speedometer are match to the differential. (I think thats the right wording)
Unfortunately, the instrument cluster in the Euro is aftermarket, and it looks like *please insert sophomoric excrement reference here*.
I have put in the Euro headlights, though they aren't quite right (very dim-- I think I wired them wrong on accident).
I also just took the front bumper off the Euro. Unfortunately, I broke one of the brackets that holds the rubber end-piece of the bumper.
Is there any advantage to a California air filter, over a normal one?
RE: Euro Conversion Questions - mbz123 - 04-01-2014
(03-31-2014, 09:32 PM)hetiticth Is there any advantage to a California air filter, over a normal one?
Yes, it sits off to side and out of the way which will come in handy when you start modding. At the least, keeping it means no more replacing broken brackets for the fed set up. If you don't end up using it, throw it up for sale and there's bound to be somebody looking for one.
MBZ123
RE: Euro Conversion Questions - willbhere4u - 04-01-2014
It's not a direct bolt on because of the turbo placement on a cali car is a lot higher
RE: Euro Conversion Questions - hetiticth - 04-02-2014
I am asking because I think this might be a cali car-- the air filter from the euro wasn't the same size.
So, with the elements on the M-Pump, would it be possible to just make the existing elements larger (with a milling machine or something), or would I have to buy larger ones?
RE: Euro Conversion Questions - mbz123 - 04-02-2014
Air filter on the CA emissions restricted car sits in front of the PS wheel well just behind headlamp. Federal setup has the filter assembly sitting atop the turbo on PS of engine. As mentioned above the turbo itself sits higher on the CA model. The air filter elements of each model are entirely different. Someone will need to chime in on the arrangement of a euro fitted car. I had the impression they came setup like the federal version.
On the pump elements, yes it would be possible. It wouldn't, however, be advisable. For two reasons: the cut design and resultant tuning upon assembly. Just widening the gap or size of the passage is akin to shooting in total darkness. IOW, many factors converge here, it's not just bigger hole = googol fuel = monster power. IP reassembly without a proper tuning apparatus has a high likelihood of leaving you with a pile of scrap metal.
Buuuuuuuut.... if you do succeed, be sure to document here for the sake of STDkind!
MBZ123