Om617 mpg

The 3.0-liter inline 5-cylinder Mercedes OM 617 engine was assembled from 1974 to 1990 and installed on such popular models as the W123, W126 or Geländewagen SUV. This diesel unit has been constantly upgraded, so it has several modifications. The diesel R5-family includes: OM617, OM602, OM605, OM612, OM647. In 1974, a similar 5-cylinder …

And make torque lower. I was looking at using an OM617 in my BII a couple years ago, had a couple I found for about 10 times less than the cost of a used 4BT and that was for two OM617's, complete. ... 35-40 mpg vrs 10-15 maybe 20 if your lucky most make it to at least 750k miles before rebuild vrs 200k if your luckyI have seen them on YJ or TJ frames before and they kept the 4.0's but you could always drop in a small diesel if you keep the tire height and gearing in check. For a general all around 4x4 with mud in mind I would stick with gas probably but small diesels to consider would be---. Cummins 2.8-3.3. Mercedes OM617.Best MPG the OM617 or 4BT? 6503 Views 4 Replies 4 Participants Last post by Dougal, Apr 15, 2013 Jump to Latest P. peter edmund Discussion starter ...I moved to the Kubota and have never looked back, the 2.2 4cyl will out perform the OM617 on every level and get 40+ mpg in a 2wd Ranger. The TDI does the same, although with a computer but tuning is a plus.The successor of the OM617 engine family was the newly developed straight-5 diesel automobile engine OM602 from Mercedes-Benz used from 1980s up to 2002. With some OM602 Powered Mercedes-Benz vehicles exceeding 500,000 or 1,000,000 miles, it is considered to be one of the most reliable engines ever produced, a success which is …The OM617 is the way to go for a daily driver in a Jeep or small pickup - it was designed for luxury daily drivers. They are very simple, quiet, decent fuel consumption and do not require re-gearing. Rated torque is reached at 2400 rpm, rated horsepower at 4300.I have seen them on YJ or TJ frames before and they kept the 4.0's but you could always drop in a small diesel if you keep the tire height and gearing in check. For a general all around 4x4 with mud in mind I would stick with gas probably but small diesels to consider would be---. Cummins 2.8-3.3. Mercedes OM617.

The new chain will advance the pump timing by half the chain stretch. Example: Your chain is stretched 4 degrees, pump is 15.0. Roll in a new chain, stretch is now zero, pump is now at 13.0. Check chain stretch FIRST, replace if necessary (60x), or adjust with an offset key (617). Then set the IP timing.VW, Bentley, Audi and Porsche MPG Estimates Revised. Clean Cities and Communities. Alternative Fuels Data Center. EV Explorer. EPA gas mileage, safety, air pollution, and greenhouse gas estimates for new and used cars and trucks. Improve the MPG of your vehicle with our gas mileage tips.A financial advisor told me the pros for building a two-part bond ladder. What are the cons? Calculators Helpful Guides Compare Rates Lender Reviews Calculators Helpful Guides Lear...Feb 26, 2017. #1. Morning all-I had started a thread on this build in the general tech thread, but now that I'm getting a better idea of the challenges, most of them involve the OM617. I should mention that I have no experience with this motor, and inherited the 1/2 finished project as a pile of unlabeled, disorganized boxes.Distance. Miles or Kilometres. Vehicle MPG. Fuel price (Pence) Return trip required? 0.00. Fuel Needed (Litres) £0.00. Fuel Cost (Estimated) If you’re not sure about your car’s fuel …The successor of the OM617 engine family was the newly developed straight-5 diesel automobile engine OM602 from Mercedes-Benz used from 1980s up to 2002. With some OM602 Powered Mercedes-Benz vehicles exceeding 500,000 or 1,000,000 miles, it is considered to be one of the most reliable engines ever produced, a success which is …

Project 4Reigner. in OM617 Swaps. Here is the in-depth write-up that I hope can serve as a how-to for OM617-swapping 96-04 Tacomas/4Runners (and T100's). I picked up this $600 1997 4Runner 5VZ/A340 4x4 (rear e-locker) with roughly 250k miles and it was SHOT! Completely rusted out even though the body doesn't show it.Jul 31, 2018 · I had been searching a long time for a good donor truck for an OM617 Mercedes turbo diesel swap. I had mostly been looking at pre-1995 Pickups with the gear-driven RF1A transfer case. While cruising Facebook Marketplace I stumbled on a semi-local 1986 Toyota 4Runner that had already been swapped with a 1985 OM617. I was wondering if the kit for the OM617 engine would work with the Om 603 Engine also. I found this kit on Ebay eBay - New & used electronics, cars, apparel, collectibles, sporting goods & more at low prices Thanks Sean . 82 500 SEC EURO - 101K - FOR SALE ... 40-45 mpg. Save Share. Like. John350.As an info about the OM 617: The OM 617 starts his live 1974 ! as the biggest Diesel engine in a Mercedes Sedan Modell 240 D 3.0 (W115) as a non turbo engine. Data: OM 617 non turbo pre 1979. Bohrung 91 mm, Hub 92,4 mm, Hubraum 3005 cm³. bore: 91 mm stroke 92,4 mm, Capacity 3005 cm.1991 Toyota Pickup, Mercedes 300D OM617 diesel. 1969 Land Cruiser project in progress with 4BT. 1989 Land Cruiser project in progress with 4BT. 2010 KTM 450. Successfully installed 4BT, Isuzu 4BD1T, and Mercedes 300D engines into different vehicles.

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Jun 8, 2017 · YJ OM617 Turbo Diesel. This is my first post to this forum, but I thought that this would be the best place to get the information that I am looking for. I am looking into buying a YJ that has the Mercedes I5 Om617 turbo diesel already installed in it. I have been looking for a YJ for a little while and decided that I wanted the 4.0 I6. A Mercedes-Benz W116 with the "INDONESIA 1" plate. The car was used by former presidents Suharto, B. J. Habibie and Abdurrahman Wahid.. The Mercedes-Benz W116 is a series of flagship luxury sedans produced from September 1972 until 1980. The W116 automobiles were the first Mercedes-Benz models to be officially called S-Class, …As many know, I swapped a 617 into a 380SL chassis. This swap was extremely easy because it so happened that the 107 used the same front subframe as the W114/115 which came with an OM 617, so the engine literally bolted in. My out-of-the-box "solution" is to research using the MB front subframe on the Ranger.mercedessource Product - Using a method that really works - step-by-step instructions with detailed explanations of all tools and supplies needed This one hour long on demand video is included free with the purchase of Kent's OM61x injection pump timing kit. The method he teaches uses his own kit, his custom built pressure tank, and his special IP snake …A-MB203 Adapter Kit. A-MB203 Adapter Kit. Our Price: $490.00. OM617 to Small Block Ford bellhousings with 164Tooth flywheels or flexplates transmission Adapter Kit. The Small Block Ford pattern was used in many Inline 6 cylinder engines and V8 engines through 1998. This kit will NOT fit V6 or Big Block Ford engines.The beauty of the cummins 4bt is the power potential especially when equipped with the "p" pump - the downside is cost and vibration. I've been looking around for similar info about pumping up the om 617. Obviously, you could change the turbo, add nitrous or propane (or both), and pump mods are being discovered.

The goal is to build a very fuel efficient diesel little pickup. So after I seized up the 2nd om617 in that truck I decided to go with an om616. Truck was getting 30.7 mpg average between city and highway with the om 617 and a 4 speed. The new build is getting a 5 speed Toyota trans and an om616. I got a lower mileage om616 from the junk yard ...As an info about the OM 617: The OM 617 starts his live 1974 ! as the biggest Diesel engine in a Mercedes Sedan Modell 240 D 3.0 (W115) as a non turbo engine. Data: OM 617 non turbo pre 1979. Bohrung 91 mm, Hub 92,4 mm, Hubraum 3005 cm³. bore: 91 mm stroke 92,4 mm, Capacity 3005 cm.The OM617 is the way to go for a daily driver in a Jeep or small pickup - it was designed for luxury daily drivers. They are very simple, quiet, decent fuel consumption and do not require re-gearing. Rated torque is reached at 2400 rpm, rated horsepower at 4300.mercedessource Product - Using a method that really works - step-by-step instructions with detailed explanations of all tools and supplies needed This one hour long on demand video is included free with the purchase of Kent's OM61x injection pump timing kit. The method he teaches uses his own kit, his custom built pressure tank, and his special IP snake …So after some minor research it appears the OM617 produces at least 40 more ft/lbs of torque and at least 30 more horse power than the Jeep 2.5l. It also produces this torque at a much lower rpm than the 2.5. All the while more than doubling the fuel economy of the vehicle.Sign up for the Quartz Daily Brief here, tailored for morning delivery in Asia, Europe & Africa, and the Americas. What to watch for today Much of the world takes a break. In the U...OM617, Good years for swap motor? Hello All, New to the forum, and to diesels. I am researching the best year OM617 for a swap into a Toyota land cruiser, and here is what I have found so far: This engine was offered (in the US) in the 300SD models from '79 to '85, and the model number for these engines ranged from the OM617.950 - .952.Apr 29, 2017. Thread starter. #28. I always remember seeing old-school hotrods and modified rigs where someone would find a way to shoehorn a 454 into a Vega, or big-block Buick into a Jeep. Based on how close the clearances are on this OM617/Toyota 5-speed/FJ40 swap are, don't know how, or why someone would try.It can do 70-75 (GPS measured).. and I have been in one doing 100 indicated downhill.. but really it is happiest at 60-65mph as it goes from 18 mpg back to …Nostalgia, contrary to centuries of common knowledge, appears to be a good thing. Learn about the science behind nostalgia at HowStuffWorks. Advertisement Every now and then, I cat...

May 4, 2016 · LOTS of cutting and fitting but maybe it's an easier fit in a Ranger. The exhaust is pretty simple - just a pipe out of the engine bay. The first section of the Mercedes pipe will make the exhaust work easier. Any radiator for a 5.0/Ranger swap should handle the cooling. Diesels are not generally hard to cool.

my om617 diesel YJ build. I am pulling the 4.0 out of my 94 yj next week and wanted to get a thread started. I picked up the new motor last week and will be out of town this week, Then its time to get DIRTY! The motor I'm using is out of an 82' mercedes 300d, with only 22,000 miles, I found a nice starting point.I am buying an adapter to be ...Having more fuel to burn is essential for power. There are two types of injection pumps available for the om617: M and MW pumps. Currently, we can upgrade either pump type by outfitting your pump with Dieselmeken’s 7.5mm elements. Pumps are cleaned, tore down enough to perform the upgrade, resealed, and bench calibrated.unioncarpenter lu79 Discussion starter. 26 posts · Joined 2009. #1 · May 30, 2010. i want to upgrade the 3k turbo on the om617 what size should i use. i will be running the mpg max wm injection from snow performance an fmic and the pump turned up with bosio nozzles the motor is in a 1993 gmc so i do have room for a twin setup maybe use …Oct 1, 2006 · I picked up a low mile N/A 617 that I want to put in a 91' reg cab-short bed 4x4 Toyota pickup. I know that I can make the adapters to bolt it to the Toyota w-56 5spd, my question is how reliable of a power plant would this be for a little truck. I am not really going for power, but more for economy and it being somewhat unique. I picked up a low mile N/A 617 that I want to put in a 91' reg cab-short bed 4x4 Toyota pickup. I know that I can make the adapters to bolt it to the Toyota w-56 5spd, my question is how reliable of a power plant would this be for a little truck. I am not really going for power, but more for economy and it being somewhat unique.Feb 13, 2013 · My OM617 was in an 84 (also had 85) 300D that was stock. I read a lot of folks getting in the 40's but never did anyone on the Benz forums claim such. My experience was 22-24 mpg on diesel and WVO with no discernible difference in power between the two. Gearing, weight of the vehicle, tires size, mod's etc. are all going to play into the equation. Mar 15, 2020 · I put together a quick video highlighting all the key aspects inside the engine bay of the OM617 swap on a 1991 3VZ-E V6 4x4 Pickup. This video is meant to g... 4980 posts · Joined 2010. #14 · Nov 20, 2017 (Edited) I'm not that interested in performance, or turbodiesels, but these few facts apply to your project as well: A healthy OM617 can reach 5000RPM. In fact, it is one of the MB owner's manual's checks. The higher the revs, the greater the power.2 posts · Joined 2022. #1 · May 20, 2022. I am 17 years old and am om617 swapping my 1990 jeep yj. I have already done most of the heavy lifting as far as mounting the engine, transmission, and drive shafts. Now I have to figure out the situation with the wiring and vacuum lines. I was wondering if the stock vacuum reservoir in the jeep for ...May 31, 2011 · Om617 to toyota tach Jump to Latest Follow 10K views 8 replies 4 participants last post by mr_manny Jun 21, 2011

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Still, the ABF is known to happily reach 250,000 miles with aggressive driving with no major issues. 7. Mercedes-Benz OM617. We've all heard tales of diesel-powered Mercedes taxis cresting 600,000 ...The other consideration is fuel economy: the TDI is absolutely more efficient, and weighs nearly 200 pounds less, further improving city fuel economy as well as …Mercedes Benz is known for making reliable engines but the OM617 is regarded as the most reliable diesel engine. Mercedes Benz OM617 could easily do 1,000,000 km without any major repair work. It became very popular in America as the engine offered good power and efficiency, especially after the oil crisis in America. ...An OM617 equipped Mercedes C-111 test car was able to set a diesel-powered world record. It reached just over 203 miles per hour on the Nardo Ring test track in Italy in 1978.Doomsday Diesel leads the way in innovations for the OM617, with new parts currently being designed and coming out for the VW TDI and MB OM60x series. Doomsday Diesel is committed to giving its customers reliable service, while providing the highest quality products, at a very reasonable price. Doomsday Diesel uses state-of-the-art equipment …OM617 MPG in a Cherokee. I've been interested in doing a diesel swap into my XJ for awhile now but haven't been able to find firm info on what kind of MPGs people are getting since there aren't many swaps done, or recorded.The car's best lap was 203.4 mph, and running at speeds between 195 mph and 200 mph, it still managed to get 15 mpg, according to Mercedes-Benz.The OM615 is just at the 4-cylinder version of the OM61x engine series, the OM616 being the 5-cylinder and the OM617 being the 6-cylinder versions. (Ignore the OM611/OM612/OM613 as that is a much later/different engine series). All 404s have a plate between the bell housing and the engine block. This plate is a roughly 1/4" thick (6mm I believe ...Oh my OM617. Join Date: Apr 2016. Location: California. Posts: 149. OM617 Pump Timing 24 vs 26 vs 28. The pump on my OM617 is set to 26 right now, I know 24 is the stock. It seems to idle faster now, I adjusted it slower via the length of the throttle linkage. My startups shake more and there is even a lil sputter but as soon as the car …Oct 1, 2006 · I picked up a low mile N/A 617 that I want to put in a 91' reg cab-short bed 4x4 Toyota pickup. I know that I can make the adapters to bolt it to the Toyota w-56 5spd, my question is how reliable of a power plant would this be for a little truck. I am not really going for power, but more for economy and it being somewhat unique. Technical specifications of the GM LSJ 2.0 Supercharged engine. Fuel consumption Mercedes OM617 engine. Engine Overview and Common Failures. The weight of the … ….

B. bronco1966 Discussion starter. 25 posts · Joined 2011. #7 · May 13, 2012. The 1980 Mercedes 300SD engine was the OM617.951 10-valve diesel with an iron block and head. The engine used a mechanical direct-fuel-injection system and had a displacement of 183 cubic inches, 2998cc. The 300SD engine produced 120 horsepower at 4350 rpm and ...The goal is to build a very fuel efficient diesel little pickup. So after I seized up the 2nd om617 in that truck I decided to go with an om616. Truck was getting 30.7 mpg average between city and highway with the om 617 and a 4 speed. The new build is getting a 5 speed Toyota trans and an om616. I got a lower mileage om616 from the junk yard ...The beauty of the cummins 4bt is the power potential especially when equipped with the "p" pump - the downside is cost and vibration. I've been looking around for similar info about pumping up the om 617. Obviously, you could change the turbo, add nitrous or propane (or both), and pump mods are being discovered.The other consideration is fuel economy: the TDI is absolutely more efficient, and weighs nearly 200 pounds less, further improving city fuel economy as well as …mercedessource Product - Using a method that really works - step-by-step instructions with detailed explanations of all tools and supplies needed This one hour long on demand video is included free with the purchase of Kent's OM61x injection pump timing kit. The method he teaches uses his own kit, his custom built pressure tank, and his special IP snake …I moved to the Kubota and have never looked back, the 2.2 4cyl will out perform the OM617 on every level and get 40+ mpg in a 2wd Ranger. The TDI does the …om617 content has moved there! Table of Contents. Home; Donations; Videos (1-10) Videos (11-24) ITS ALIVE!!! Parts List & FSM; Contact Me; Subscribe for updates when new videos post. Email. Sign up. om617 Rebuild Contents. Introduction. Introducing myself and telling you a little about this project and why I did it.inte Discussion starter. 124 posts · Joined 2010. #1 · Jul 25, 2017. Looking to do coolant flush on 1984 300D. Found general W123 procedure, but seems to be some discrepancy with the block drain plug. Unsure if 300D is same as other W123 models. Is there a coolant flush thread out there specific to the 300D? ben7.VW, Bentley, Audi and Porsche MPG Estimates Revised. Clean Cities and Communities. Alternative Fuels Data Center. EV Explorer. EPA gas mileage, safety, air pollution, and greenhouse gas estimates for new and used cars and trucks. Improve the MPG of your vehicle with our gas mileage tips.Distance. Miles or Kilometres. Vehicle MPG. Fuel price (Pence) Return trip required? 0.00. Fuel Needed (Litres) £0.00. Fuel Cost (Estimated) If you’re not sure about your car’s fuel … Om617 mpg, The OM617 is the way to go for a daily driver in a Jeep or small pickup - it was designed for luxury daily drivers. They are very simple, quiet, decent fuel consumption and do not require re-gearing. Rated torque is reached at 2400 rpm, rated horsepower at 4300., You can convert an MPG video file into one or more JPG files, thereby extracting still images from the video clip. Once you convert the video, you can use the images as normal JPG ..., The OM612 DE 30 LA is a 2950 cc version with 231 PS (170 kW; 228 hp), developed by Mercedes-AMG, was used in the C 30 CDI AMG versions of the W203 C-Class and CL203 C SportCoupé. [1] This remains the only diesel-powered AMG vehicle to date, except for the second generation AMG MB100 van, powered by an AMG modified OM616 or OM617 …, I am an old MB diesel fan and like the simple robust design of the OM617 turbo diesel engine. 30 mpg is pretty easy to achieve in the S class 4k lb sedan. I have a couple of donor engines and have found this company that offers a kit., 58 posts · Joined 2011. #2 · Apr 17, 2011. A 4BT is great, a little heavy but great. A Cummins 3.3 a smaller lighter 4cyl is another popular swap in Jeeps. I think you can get a brand new 3.3 for under $4000. I am in the middle of a Mercedes 5cyl turbo diesel swap. Not as much power but for me it was priced right at $100., Sep 14, 2012 · So after some minor research it appears the OM617 produces at least 40 more ft/lbs of torque and at least 30 more horse power than the Jeep 2.5l. It also produces this torque at a much lower rpm than the 2.5. All the while more than doubling the fuel economy of the vehicle. , Feb 14, 2009 · Theres a fine comprimise between being unique, and just throwing money away, this swap would be teetering that line hard. If all you want is fuel economy, swap in a 2.3L with a 5sp and some high gears, youll get more MPG then the diesel and be a helluva lot cheaper and eaiser. If you want power a V8 is your best option. , Nov 8, 2020 ... More tuning on the TDI Swapped Toyota Pickup! Also checked the MPG we are getting on the first tank!, The other consideration is fuel economy: the TDI is absolutely more efficient, and weighs nearly 200 pounds less, further improving city fuel economy as well as …, The main goals for diesel swapping Nissan would be end-of-the-world level reliability and fuel economy. Obviously a Cummins 4bt is too large and expensive, but I've been thinking of an old Mercedes OM617. ... The old Mercedes diesel OM617, OM603, OM605 all had timing chain stretch issues. It’s possible to fish them in through the front of the ..., 58 posts · Joined 2011. #2 · Apr 17, 2011. A 4BT is great, a little heavy but great. A Cummins 3.3 a smaller lighter 4cyl is another popular swap in Jeeps. I think you can get a brand new 3.3 for under $4000. I am in the middle of a Mercedes 5cyl turbo diesel swap. Not as much power but for me it was priced right at $100., The OM617.951 was introduced in 1979 and displaced 2998 cc, using a 90.9 mm bore and 92.4 mm stroke. Power output was 125 hp (91 kW). Torque was rated at 180 lb·ft (244 N·m). ... If you truly want max fuel economy out of a diesel swap, do a VW 1.9L TDi engine and you can likely get 45+MPG out of it. Link to comment Share on other …, May 30, 2005 · OM617.952 fuel economy. I turned back my ALDA to original spec and got 22.55MPG. With 1 full turn CCW I got 23MPG (lowest), sometimes 24, sometimes 25. I wonder how my turbodiesel fares with your turbodiesel (W123 only) in terms of fuel economy. Any other things I could do to increase fuel mileage? Best I could do was 27MPG. , first fire up with the Mercedes turbo diesel om617 in our 95 ranger. Few more things to do before we can turn it on and off with the key, stay tuned.SWRVTECH..., The procedure is valid for any OM617 Turbo Diesel, W126 included. ... 1992 300D 2.5 turbo white blue int. paid $4500 from a first owner in sep. 2012.now 212k, 32 mpg highway 2006 VW Jetta 1.9 TDI 165k 37 mpg highway 2014 Chevy Volt, w/50k miles average 107 mpg. Save Share. Like. E. Ether., SHWZ: Get the latest Medicine Man Technologies stock price and detailed information including SHWZ news, historical charts and realtime prices. Cannabis-Friendly Hotel To Open In L..., The best fuel mileage on an OM617 that I owned was 40MPG back in 1986. The car was a 1976 300D & it had a very weak injection pump when I bought it and wouldn't go past 68MPH. After having the pump rebuilt the car would go 82 MPH & get about 31MPG. One time I brought a NEW 1985 300DT (3 miles on speedo) from the port in Jacksonville to Atlanta ..., Oh my OM617. Join Date: Apr 2016. Location: California. Posts: 149. OM617 Pump Timing 24 vs 26 vs 28. The pump on my OM617 is set to 26 right now, I know 24 is the stock. It seems to idle faster now, I adjusted it slower via the length of the throttle linkage. My startups shake more and there is even a lil sputter but as soon as the car …, The factory bell-housing will accept the OM617 and all the clutch stuff will swap right over. The issue is cab clearance which is why the aftermarket bell house is made. It's slight rotation of the engine allows it to fit with very little deformation of the factory 404 cab., Aug 7, 2015 ... 99 4Runner powered by 97 Volkswagen 1.9TDi 1Z/AHU engine goes 7.6kms/4.7miles on less than 1/8 of a U.S. gallon., Posts: 4. Diagnosing om617 Toyota Swap Problem. Hey folks, First time posting but used this forum countless times during my swap...thanks for the help. 1986 Toyota 4Runner with a 1985 om617.952 swap. I’ll cut to the chase. Swap is done, but I’m having overheating and white exhaust smoke issues. White smoke at start which …, Mar 15, 2020 · I put together a quick video highlighting all the key aspects inside the engine bay of the OM617 swap on a 1991 3VZ-E V6 4x4 Pickup. This video is meant to g... , YOU MUST SPECIFY ENGINE MODEL NUMBER WHEN ORDERING. OM617 model number is located under glow plug #5. It is typically either 617.950, .951, or .952. Full Conversion Kit includes: -W56-to-OM617 Adapter Kit w/ new 9-1/4" Flywheel and new ARP flywheel bolts. -W56-to-OM617 Motor Mounts. -OM617 Serpentine Conversion Kit., 12.5 L/100 km (18.8 mpg ‑US; 22.6 mpg ‑imp) 13.0 L/100 km (18.1 mpg ‑US; 21.7 mpg ‑imp) 14.5 L/100 km (16.2 mpg ‑US; 19.5 mpg ‑imp) 16.0 L/100 km (14.7 mpg ‑US; 17.7 …, OM617 fuel economy. ... The engine I have right now is only rated for about 116 horsepower and about 140 torque. I thought that the OM617 had about the same horse power, but more torque. I also thought that the 300 cars that these engines came in …, for example OM617 will net you results of threads that have the term OM617 in it. search for OM617* and it will net results for OM617, OM617A, OM617.952 and so on. ... Does anyone know what kind of gas milage one should expect with the OM617 in a 404, is 20-30 MPG unreal? So right now all I have to decide on is if I should spend the bucks …, Dec 15, 2010 · 20mpg eh? <snicker> Justin has said that about the OM617 in that 40, but I don't know what he's basing that on. I did Argentine Pass on a run he was on with that truck a few months ago (three diesels on the RS 40's only run, the Mercedes, a 3B-turbo, and a 13BT) and didn't see it have any issues with power, but I did notice it was smoking more than our 3B-turbo up high, but not by much. , Apr 29, 2017. Thread starter. #28. I always remember seeing old-school hotrods and modified rigs where someone would find a way to shoehorn a 454 into a Vega, or big-block Buick into a Jeep. Based on how close the clearances are on this OM617/Toyota 5-speed/FJ40 swap are, don't know how, or why someone would try., The high RPM's at higher speeds seem ridiculous and also seems like you could get better MPG's with a smaller number. For instance: My El Camino puts out (maybe) 120HP, naturally aspirated. 4 spd auto w/0.70 OD and a 2.41 rear end., Tachometer for OM617. I found a couple of tach options for the Mercedes that I'm thinking about. Auto Meter makes two analog tachs, part # 2888, 2 5/8" dia with a black face, and part # 3788, 2 5/8"dia with a white face. Both have mounting cups and brackets to mount on the steering column or the dash. They both use a pick-up sender …, The 4BT will get better mileage. It will not have to work as hard as the OM617. I average 15 in very mixed driving over the last year with my OM617 FJ40, Location. Lancaster, Ohio, USA. Website. www.tlcperformance.com. Dec 19, 2008. #12. A diesel engine conversion should never be expected to pay for itself. A diesel swap is done for the same reason as any other swap, cause it's what the driver wants. Diesels get better fuel consumption (longer range) and more slow speed tork (for offroad) …, 31 mpg in a 1979 300SD! I don't know if this is typical of these cars, but ive been getting between 27 and 31 mpg in my well-worn 300sd. The last fuel-up yielded 31.77 mpg. It has seemed to go up with the ambient temperature. I also add about a half quart of ATF to every approx. 16 gallons.