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  #46  
Old 03-17-2020, 10:46 AM
t walgamuth's Avatar
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I'd measure the driveshaft carefully. lt is possible that even though there is a different part number they will interchange. Did your parts source show the 300 driveshaft?

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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.
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  #47  
Old 03-18-2020, 02:43 AM
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Quote:
Originally Posted by t walgamuth View Post
I'd measure the driveshaft carefully. lt is possible that even though there is a different part number they will interchange. Did your parts source show the 300 driveshaft?
Well I don't have one to measure. I'd I had a 5 cyl diesel w115 here i wouldn't have any of the questions I have. I did just go through and found that the 230,250,280c and
240d 3.0/300d use the same driveshaft. Then I found a 220d listed with the same. The problem. Is that the benzcat. Com site is not giving me a manual or auto choice so that is confusing things. I'm guessing an auto 220d with longer auto trans and a 300d/280c with a shorter manual and the rear of the engine further back use the same shaft.

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  #48  
Old 03-18-2020, 09:16 AM
t walgamuth's Avatar
dieselarchitect
 
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If all else fails getting a ds made a different link is a pretty routine matter. Last one I had to do cost less than 200 but that was some years back. Once you get the engine and transmission in and can make a measurement on the length it is quite possible someone here has what you need. I have several ds lying about which I will let go very cheaply.
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.
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  #49  
Old 05-26-2020, 10:37 PM
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Well not surprising at all but this idea is morphing again in the hopes of a fast(enough) manual trans diesel vehicle i can pile **** into and tow a reasonable amount with. I'm over the om617 plan. Just too weak and the 4 speed is an issue gearing wise. I picked up a 6 speed 716.668 from a c230 kompressor with the m111 supercharged engine. It bolts up to the om603 in my 300sdl directly. Now looking the floor of the w126 above the trans in it I can see why I can't find anyone who has done this swap. This 6 speed trans has a pretty high rear section including the shifter and I think it's going to I need some surgery to fit in the tunnel. This w126 is just terrible enough to mercilessly hack up to make it work so I can do a much better and cleaner job on the next one.

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  #50  
Old 06-11-2020, 03:28 AM
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So I'm a step closer to fully using the 300sdl for my daily/tow vehicle. I built and installed a serious trailer hitch plenty beefy to tow my drift car on the dolly which is probably 4000 pounds or so. It really came out good with a bunch of stuff I had laying around. It would be pretty easy to replicate-ish with a universal 2" receiver hitch an some heavy wall 2x4 steel or angle maybe, if you can weld. I did use the monster Miller 250 at work and not the Lincoln 110 at my shop, I probably could have if it was all gouged out and prepped proper for multiple passes wiyh the little guy but why chance it. As solid as it turned out I still put a couple pairs of saftey bolts in strategic places so there is no way any failed weld will let the thing come off. I used flex disc hardware throughout and that stuff is top quality. There is thick wall tubing welded into holes going through the framework where the saftey bolts are so it can't crush.

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  #51  
Old 06-11-2020, 03:41 AM
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Its bolted on with the stock bumper holes reinforced inside the trunk with 1/4" angle. I couldn't be happier with how it all fits perfectly under the hollowed out bumper cover. There is a little foam on the top corners of the 2x4 that the bumper sits on that helps wedge it all in place and a couple zip ties to help it from sliding rearward.
Got the trailer wiring done tonight, I have new delivery valve seals and crush washers coming for the leaky injection pump on Friday. Hoping to get some local tow testing done before heading into the Poconos for a drift event on the 20th. Worst case I drive the drift car to go pick up the mountaineer to tow this bucket home though. Cooling is a minor concern and the trans is a question mark like all 722.3. I sure can't wait to get the 6 speed manual in it.

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  #52  
Old 06-12-2020, 03:34 AM
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Took the rig out with my 450slc drift car in tow tonight. It drove pretty good. I was having a strange handling issue on on/off ramps that I thought was rear suspension related but I figured out the pivot on the dolly for the front axle to rotate was sticking so when I began to turn the dolly tried to go straight and rotated the rear of the tow vehicle. It felt like a really soft rear tire kinda. It worked itself free but I'd say it needs grease. Power is adequate but more will be nice. It cruised at 70-75 no problem. It crested 100c after three or four redlight accelerations in succession but never got nuclear and recovered quickly. The delivery valve seals should add a touch of power since its leaking a fair amount and I'm planning on getting monark nozzles since the injectors need to be redone. I've also seen another brand for sale, Firad, anyone know anything about these? I can't wait to get the propane injection system in this car and the pyrometer I never installed in the SD. My drift buddy spotted me out on my test ride and snapped a pic.

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  #53  
Old 06-12-2020, 09:31 AM
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I run Firad 314's in my 350SD. They've been great so far. They more or less picked up where Bosio left off. Monark are super hard to get anymore and IMHO very overrated (and expensive). If you're going for power upgrades, you want the 314 nozzle over the stock 265 anyway.
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'91 350SD - "Jest-D" 176K (Sold 12/20/20)
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  #54  
Old 06-12-2020, 10:28 PM
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Quote:
Originally Posted by Diseasel300 View Post
I run Firad 314's in my 350SD. They've been great so far. They more or less picked up where Bosio left off. Monark are super hard to get anymore and IMHO very overrated (and expensive). If you're going for power upgrades, you want the 314 nozzle over the stock 265 anyway.
Good to know. I was seeing the similar but different numbers on injector nozzles but I just don't know enough about these things yet. Found bunches of info on rebuilding them but not much about differences. I will definitely be looking more power and it's very possible I'll be going to a 606 if one comes along and I have the means to grab it. The 450(or 475 i forget at the moment)HP diesel pump UK pump is what I'm thinking but probably will be turned way down, at least until I've got a trans that will handle it. I'm guessing here but the 314 flows more than a 265? Will I need to mess with timing or anything if I use them? Any difference in the injector body I'll have to deal with? I plan on doing them right and pop testing and setting them.

I couldn't look at the mess the PO left on it with horrific Bondo and fiberglass work. I will not take credit for any filler on this mess, I did smooth some really bad spots he did out. I just masked and threw a coat of satin on the mid body that was 4 colors.
I've named her

"General E. Terrible"

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  #55  
Old 06-12-2020, 10:36 PM
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The 314's have a slightly larger orifice and a slightly different spray pattern. They will fit the "vertical" or the "inclined" injectors for the 603's. No need to do anything to timing or the injection pump, the injection timing is a function of pop pressure and IP timing. Pop pressure is the same 1950PSI for any nozzle you put in there.
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---Gone but not forgotten---
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'91 350SD - "Jest-D" 176K (Sold 12/20/20)
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  #56  
Old 06-13-2020, 07:33 AM
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Quote:
Originally Posted by Diseasel300 View Post
The 314's have a slightly larger orifice and a slightly different spray pattern. They will fit the "vertical" or the "inclined" injectors for the 603's. No need to do anything to timing or the injection pump, the injection timing is a function of pop pressure and IP timing. Pop pressure is the same 1950PSI for any nozzle you put in there.
Ok. Does the 606 use the same injectors when converted to mechanical pump?

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  #57  
Old 06-13-2020, 09:43 AM
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No. They use an entirely different injector setup. Same principle but different body and injector nozzle. Different prechamber design.
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'91 560SEL - "Delta 88" 197K
'94 BMW 525i - "The Red Car" 181k
---Gone but not forgotten---
'86 300SDL - "The Diseasel" 190k (Totaled 1/31/19)
'91 350SD - "Jest-D" 176K (Sold 12/20/20)
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  #58  
Old 06-14-2020, 06:13 PM
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Good to know as well. I'm crossing my fingers but I just found a om606 in a rear ended car on letgo that looks very nice otherwise. Long as it's still there in a couple days I'm scoring that thing! So I'll be holding off of 603 injectors. My home brew fuel seems to have cleaned up the sporadic lopey idle for now too. It may have been from sitting for most of the last couple years i guess too. I'm psyched about the om 606 though!! I can get the 717.668 all situated on that motor and swap them In together. Just swap the pump when I'm ready to do it.

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  #59  
Old 06-15-2020, 09:06 AM
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5 digit tag - nice
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  #60  
Old 06-15-2020, 09:08 AM
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High school buddy’s dad had a 3 digit tag back in the day and sold it for $500 bucks and thought that was a fortune. That was 1981 or 82. Wonder what they fetch now?

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