8v71 mpg. If you're in full displacement mode, assuming the hull is efficient in displacement mode, the rule of thumb is 2 HP per ton, or 63 HP for your boat. 6V-71 were common with bus and coach builders. 4 MPH with cruise set at 70-72 MPH. Here’s a detailed maintenance schedule for the Marine Detroit Diesel 8V71 engine. This topic is a bit controversial. 4x4 7. $10,000. Last question, is the requirement for an oil change a function of mileage or time or both? If you have very few miles on the oil can you hold off or should you still change the oil yearly or whatever?-Dave. I usually get right around 7 mpg depending on terrain, some freeway driving, a lot of secondary state road driving. 5. Even so . like going from a 4cyl car to a v-8now looking foward to 60 series in my new coach an having both more power and better feul milage looking to get that 1. That makes 4 different areas where just the spitter tubes are prone to leak. 85 with an average speed of 61. 5 m) 4,820 lb (2,186 kg) I read many posts before I bought the Series 50 bus about how the shaking at idle would shake my teeth out. Logged Additional Info: 40 ft long & 96″ wide; Driven about 5000 miles a year for the last 2 years and was in commercial service from 2021 & 2023; New drive tires, belts, house batteries, & marker lights in 2021 Shop Detroit Diesel 8V71 Inframe Rebuild Kits at Highway and Heavy Parts. Two roof air (needs service). An eight cylinder V-block (8V71) was introduced for sale in 1957. If i run at higher rpm the mileage drops rapidly. It was in a ten wheel While it was a great performer and loved the engine sound, maintenance on it was intense and fuel mileage was about half of what trucks get today. I went with the 12. But comparing the N65 injectors at 300hp @ 800lb/ft torque to the now 7G75 injectors at 375hp @ 1125lb/ft torque, you can see the difference in hill climbing with the torque increase. When that truck passes through our small mountain valley town carrying logs rowing through the 18 speed, us old coots all turn, watch and listen. Find the best priced used Detroit 8V71 Engines by owners and dealers. The newer converted We carry new and remanufactured fuel pumps, pump assemblies, and fuel pump repair kits for Detroit Diesel 6V71, 8V71, 12V71, and 16V71 natural and turbocharged engines. 24hr worldwide shipping direct to you. 9 to 8. Save. 0. Qty: ^ Details I found a company with several 8V71 LH rotation engines for sale. Just have a couple of basic questions for the moment. Next article. It needs a little engine work but we know a guy that can do that for us ;) 1970 mc7 MCI Bus questions - 8v71 Detroit engines? we get 5. Propane furnace (needs blower fan). area to Orlando. Reviews. The series 71 first appeared in 1938 as the flagship engine of the Detroit Diesel Engine Division 1981 Prevost 8v71 5 speed manual unknown mileage price 12,000 Troy Michigan inside is gutted I just tossed a few things in to go camping runs great BUY/SELL Diesel Pusher Motorhomes USA | 1981 Prevost 8v71 5 speed manual unknown mileage price 12,000 Troy Michigan inside is gutted I just tossed a few things in to go camping runs great Detroit Diesel V 71 Series Engine Overhaul Kits - 8V71 Rebuild Kit - Non-Turbo Section. Yepa very distinctive sound for sure. Message. Taking into account the overall MPG reduction, I lost around 1 MPG on the Austin to Nashville Leg. Part of the Detroit Diesel 71 Series, the 8V71 has been a popular choice for commercial vessels, tugboats, fishing boats, and even recreational yachts for decades. The range is perfect for a manual shifted 4 speed bus. Hero Member; Posts: 708; I would get between 4. . DP-Home; Language: 1981 Prevost 8v71 5 speed manual unknown mileage runs great inside is gutted I just tossed a few things inside to go camping · 1981 Prevost. It's loud and sucks Detroit Diesel 8V71 1994-1997 High Performance. 7 mpg. Share. chessie4905. Despite advancements in marine engine technology, the The most popular incarnations of the Series 71 diesel as used for highway vehicle applications included the inline 6-71 and the V-block 6V71. Good 2 Year Unlimited Mileage Warranty (details & exclusions below) Warranty : Diesel Engine Parts : New Engine Parts furnished by Interstate-McBee are warranted to be free from defects in material and workmanship under normal use and service for a period of twenty-four (24) months from the date of installation, without mileage or hour limitation. Might be cheaper just to find another starship. more power better gas mileage . I owned an 8V92TA and I had no problems with the motor. Motores y monobloques para motor Detroit 8V71. Melbo. Published on September 7th 2018. 4 corner leveling system. 2 m × 1. com. 0 m × 1. that gives me about 65 MPH and just under 9 MPG hauling a total of 27,940 lbs gross + a 2300 lb toad. Some mufflers, but not too much. I finally just did what I had been studying. 5 gal/hr giving about 2. 8V71 turbo engine. front seats are noisy, but not so bad that you you need hearing protection. Ringgold, Georgia. The inline 6-71 engine, in all of its versions, was also available as a horizontal or 'pancake engine'. Mileage is NOT one of the strong points of any 2 cycle diesel. Std timed engines get better mileage. The 40ft 8V-71 auto I had a little over 6 the 40 ft 8V92 5 mpg. He always said the key was to keep the engine rpm's up high enough to #1 source of Detroit Diesel 8V71 natural engines and blocks. Ceramic bath and shower. 1 mpg. I hate that engine. 1-25 of 46 results 1975 Silvereagle Model 05, 8V71, 4 speed Spicer 1982 Eagle Model 10, 6V92, 5 speed Spicer 1984 Eagle Model 10, 6V92 w/Jacobs, Allison HT740 1994 Eagle Model 15-45, Series 60 w/Jacobs, HT746. I'm getting 10. Browse Detroit 8V71 Engines For Sale near you on MyLittleSalesman. you HAVE to wear hearing protection if you are sitting in the rear jumpseats. The previous owner told me the Hubby and I are looking at a 1965 8V71 with a 4 speed Allison transmission. So now I find myself an owner of a 1972 GMC Astro 95 straight truck with an 8V71 Detroit. 3l diesel with rebuilt E4OD tranny for towing BIG loads srw with drw axel gets bout 16 mpg Gave up 1. I wonder what his fuel mileage is? But no visible smoke! HB of CJ (old coot) The check valves themselves (if you're leaking above the 800-900rpm close point), blower seals, which are as vulnerable to lack of use as they are to high mileage, worn or cracked oil rings, or worn or damaged injectors. My speedo goes to 80 and i have gone faster than This vintage RV has low miles on a huge Detroit Diesel 8V71 supercharged engine that really performs. This should get you to hull 8V-71T Typical 8V-71T Truck Model Model 7087-7340 7087-7344 truck models - But if you keep it full of oil, it'll run forever without complaint. This engine may also be called the following. 5 mpg when loaded, slightly higher than that with less weight LOUD. Description; 1963 GM 4106 Conversion. If you're looking at something that'll cost four grand to fill up, it'll be worth spending a few hundred bucks on a naval architect to walk you through the details of #twinstick #Detroitdiesel #madmaxim pretty new and not that great at shifting a twin stick but here go's it's a 4-4 trans . On 8V71, N65 injectors, Advanced timing, fresh engine 4 speed manual Spicer Cruising at 65 plus I get right around 10mpg past. 7L ISB @ 30 psi = 20ish Liter @ 0psi. This beauty is turn-key and ready to go anywhere, anytime. 8V-71 were popular with firetruck manufactures, it is pretty difficult to find an Re: 8v71 vs 8v92 An eight cylinder V-block (8V71) was introduced for sale in 1957. They were pretty tough engines, always leaked oil, and 38 Responses » Tagged with: 350 Cummins turbo diesel, 8V71 Detroit Diesel Engine, Allison six speed automatic transmission, American Eagle diesel pusher, Banks exhaust system, Dodge Dakota pickup, Ford Explorer, home on wheels, MCI Bus Conversion, RV fuel mileage, RVers, Silverleaf VMSpc engine monitoring system, Spartan motorhome chassis (low miles) gm / detroit 8v-71 diesel engine, v-8, two-stroke, supercharged, mechanical fuel pump, model 7087-7040, esn: 8va-330657, 333hp @ 2300 rpm, low miles and hours, good running unit with warranty, call for more information, stock# 218847. The series 71 first appeared in 1938 as the flagship engine of the Detroit Diesel Engine Division Seeing as there was a coolant question in here too, it was my understanding that the 6v had some cooloing issuses. my fuel mileage for that leg was only 4. My bus weighs about 28,000 lbs. A 8V71 engine allowed the A/C system to run off of it instead of a separate motor. In my MCI 5A my 8V71 has N65 injectors with a four speed. It loves to run at about 1750 rpm in 4th and at 70-75 mph. The engine is pretty fresh (no leaks no smoke) It sounds like this combination of injectors, engine and tranny is not optimal. 1978 International Paystar 5000 Bed Truck Mileage – 164,439 Hours – 298,986 *No guarantees made as to actual hours/miles Engine – Detroit 8V71 Horsepower This video was given to me by a friend, it is of me climbing Windham Mt. Asking $29499, Located in GENOA NV 89411, Contact Bill at 775-392-1172 for more information. Even so #1 source of Detroit Diesel 8V71 natural engines and blocks. 7. 1 mpg, with the gen running 60% of the time. That's just they way the cookie crumbles at altitude with a non-turbo motor. This includes the block, crank, rods, pistons, sleeves, heads, valves, injectors, blower bypass, blower seals, injectors, etc, etc. Popular Another rule of thumb: 18 diesel HP burns about 1GPH of fuel for a modern diesel, more like 16 HP for older 2 cycle Detroits. Recent transmission. Condition. C. The only 2 stroke Diesel I Fuel burn would be about 3. 1981 Prevost 8v71 5 speed manual unknown mileage runs great inside is With my 68 5A i get from 5. timed is a higher narrower rpm range more suited to a transmission with many more gears then a stock bus has. Parts are available, but not cheap. Mileage: 300 Location: bloomington, Minnesota Passengers: 8. I know it makes better power than the '71 already, so any help would be appreciated. Actually, hp is fine, I'd like another 5 gears! Thanks, Mark 4106. 5 gph while getting 1. If you need assistance finding the V Truck specs:-1976 Kenworth K123-8v71N Detroit Diesel with Jacobs Engine brake-15 speed direct Eaton RT915 gearbox-Hendrickson RT380 walking beam suspension-3 i ran a V-12 in a 65 pete 2-2 1/2 mpg average, duel superchargers, world class oil slinger, and loud jbourque, Mar 6, 2013. To find a rebuilt blower on our website use the link below: https://dieselpro. This assumes an engine that will run efficiently at 63 hp output, which won't be the case for even one of those 8V-71s. 8 back plus another 1 mpg6-v92 to 8 -v92 to 60 serriesleft out 8v71 in first coach that was Rebuilding lances detroit diesel 8v71 and an update on jerrys recently rebuilt 8v92TA plus an update on the mci saudi. 35 with an average speed of 63. 7 myself basic fact cubic inches equal torque. 8 mpg gained much more hill climbing power ,don't have to work engine as hard. Discussion in 'Engines' started by wayneCCC, Jul 28, 2015. The Detroit 8V71 Engine is a standard, hearty engine, engineered to perfection for robust functioning over extended periods of time. Dave 2004 Ford F-350 Regular cab with 6. The adv. 24 hr Worldwide Shipping. Member; The General Motors PD-4106 was a 38 or 45 passenger Parlor series coach built from 1960 to 1965 in the United States. We only sell Rebuild Kits with new parts, zero core charges, and a 2-Year, Unlimited Mileage, Parts and Labor Warranty. 10 mpg is possible, at 60 mph, based on two observations: - I routinely get 11 mpg, at 60 mph In this video we disassembled a Detroit Diesel 8V71 Blower. In addition to the comments above, keep the tire pressure up, keep the speed at the sweet spot (just a few mpg faster than the speed Mileage is NOT one of the strong points of any 2 cycle diesel. Sure, the big boys go whizzing by like their butts were Bigger injectors more hp and more torque. Then factor in 3000 rpm vs 2000 rpm, and all of a suddent the little ISB is pumping double the air of an 8V71. The applications of the 71 series were limitless. I've never heard of anyone complain about an 8V71 with reliability issues unless they cranked the crap out of it I am desperately seeking a solution to the repowering of my existing 8V71 and Fuller 5spd manual to something else. The Detroit Diesel is a popular range of generators that are used across many industries to provide strong and efficient power. but an 8V71 I believe was a 318 HP engine, and 8V71T (turbo) was 350 HP. It featured larger side windows and a different front and rear design then the PD-4104. Please note that these are typical intervals, and some results may vary based on operating conditions: Marine Detroit Diesel 8V71 Component Maintenance Life Component Maintenance Interval (Hours) Notes Oil and Filter Change 100-150 hours Regular oil changes Author Topic: changing engines 8V71 to a 8V92 (Read 10185 times) edvanland. It was in a ten wheel dump truck and worked good. The GMC Astro (also known as the Chevrolet Titan) is a heavy-duty cabover truck that was manufactured by the GMC Truck and Coach Division of General Motors from the 1969 to 1987 model years. Please use the product links below to explore our inventory. timed engines will have their torque at a lower rpm with a wider range of rpm's. Feedback. GMC 4106 w/ an 8V71 Detroit and Allison V-730 Trans. To clarify, all of the parts here will work with the following: • 8V-71 or 8V 71 • GM 8V71 Specs and Normal Values This topic is a bit controversial. Listed 33 minutes ago. com/detroit-diesel This beautiful vintage bus conversion is a new addition to our family. Just about everything is different. I'm intending on buying one of these engines. This was called the 6L-71 The Detroit Diesel is a popular range of generators that are used across many industries to provide strong and efficient power. $2,995 . I thought about what to do for about 2 years and was about to say to hell with buses and quit. this is what I have gleaned from research and talking to guys that are running them. Mileage from Nashville to Austin was 9. We Deliver To Your Door In Canada-X. The engines are N's with about 3500 hrs on them. Detroit Diesel 8V71 1994-1997 High Performance. My father ran 8v71's and 8v92's from the late 70's into the mid 90's. The Detroit 8V71 engine has been used in many applications, including GMC vehicles, Chamberlain Tractors, heavy equipment, Semi-Trucks and many more. 90. 8V71 with an Allison Mt 644. You will also notice that you lose a lot in fuel mileage the faster you run your engine beyond the "Sweet Spot">>> THAT is the point where torque and horse power cross on a chart. I mean a complete DD MUI 8V71 turbo engine. At the cruise speed I have been using, I am thrilled with the mileage (est 13 gph cruising Portland Or to Vancouver), but am encouraged that it could be even better. Used - Fair. conversations are a little harder to have than our white truck. Best mileage was 11MPG on a trip from D. 5 and 5 MPG no matter what speed or what I was towing. Mileage from Austin to Nashville was 9. , probably the oil and water pump, plus the turbo and the needed air to air intercooling system with radiator. I researched the topic by looking at what is different in turbo variants of the 8V71, from Detroit and I talked to a few very experienced DD rebuilders. , Mileage: 75000 . Below is the original power & torque graph for the 8V71 coach engine equipped with N60 injectors as installed in the PD4106. Was extensive, not cheap, but the performance is truly different. Find Detroit, Schramm, International, Bombardier, Condor, Terex, and Ideco for sale on Machinio. 3,226 were built in total. My fuel mileage is the same-mainly because we didn't change the cylinder liners or cam timing. the older 35ft got best with std trans around 10 . Popular Articles. Detroit Diesel service, repair manual for 6V71, 8V71, 12V71, 16V71. Engaging a trained technician or engine specialist’s services for a comprehensive inspection is highly recommended. most of my older videos are of ya Detroit 8v71 recommended rpm. 8 mpg at 65 mph on a long trip, and 7. Electric shift (not sure what this means though?). Price: $ 585. here to set the record straight. Succeeding the F/D-series "Crackerbox" cabovers, the Astro was marketed by Chevrolet as the Titan, serving as the largest cabover truck ever produced by General Motors. Blog. It was rebuilt less than 10K ago. Details. 1972 GMC VINTAGE GM 4106 COACH. New air bags and airlines. July 2nd 2019 ANGELICA LARSSON – 5′ TALL AND BULLET PROOF. DP-Home; Language: 8V71 is 9L @ 0psi, or converting to 4 stroke: 16ish Liter (due to volumetric efficiency factors). This was called the 6L-71 or 6N-71. High to Low Hours: Low to High Mileage: High to Low Mileage: Low to High Date Added: Newest First Date Added: Oldest First Stock Number: A-Z Stock Number: Z-A Photos First. I am changing from an 8v71 manual to a 8v92 auto in a bus conversion and would like to make an educated decision regarding what to run for mileage/longevity. These trucks are what I learned to drive in. 20-25 is realistic with a good running NA 8V71. Loading 1. 6. 9 MPH with cruise set at 65-67 MPH. Had: 2001 Tiffin Allegro Bus with Cummins 330. The check valves themselves (if you're leaking above the 800-900rpm close point), blower seals, which are as vulnerable to lack of use as they are to high mileage, worn or cracked oil rings, or worn or damaged injectors. It had twin 8v71 Detroits the the 350 hp version, on the leg from Port Charles marina on the Mississippi near the mouth of the Illinois river to Hammond, Indiana we burned 5. 8 pulling a 7500# enclosed car trailer. On NY Route 23 thru The Catskills on my way too Enckland NY. I have a 35 ft. 4905A-893 P8M; Sr. Hero Member; Posts: 7123; Re: 6-71/6V71 6-92/6V92 Detroit Diesel Engines Search for used detroit 8v71 truck engines. And a new addition to the property ou Re: Detroit Diesel 8V71 and Allison HT740 Automatic Transmission « Reply #1 on: January 10, 2007, 02:59:57 PM » How much does he want for the whole fire truck-might be better just to buy the whole thing. The Detroit Diesel 8V71 engine has earned a legendary status in the marine industry for its rugged durability, powerful performance, and versatility. I'M now building a 4-stroke for fuel efficiency like Ken's looking at 8-9 (45ft). While buying a secondhand Detroit 8V92 Diesel Engine, consider the maintenance history, mileage, condition, and any warranties or guarantees offered when purchasing a secondhand engine. Moved a 47' Concorde from the upper Mississippi River to Detroit in May. Std. 6. Sorry to be the bearer of bad news. 8V71 Detroit 4 speed Spicer Trannsmission Hickory, NC, (Where a call to God is a local call!) larryh. ANything else. There are 2 styles of pistons, trunk and cross head, both have been used in turbo engines from Detroit. Year 1972 My four speed spicer with an 8V71 went about 73 mph top speed -- close enough to 75 if you had a taller tire it seem you would go 75 easy enough. Previous article. in Troy, MI. With proper maintenance this engine can easily last a lifetime, and probabl (two joined 8V71 engine blocks) 16V-71TI [16] 2,150 lb⋅ft (2,915 N⋅m) @ 1600 rpm 800 hp (597 kW) @ 2100 rpm 79 in × 47 in × 59 in (2. A blast from the past for sure. jbourque, Mar 6, 2013 #12. 2-Year Parts and Labor Warranty, Built to Strict OEM Specifications, Delivery in 2-Days or Less to Most Areas. Your Expert Help-X. I am planning on turboing my 8V71 over the winter and that will make the mountains more beareable but I'll still be doing 30-35 up those hills. I asked what injectors are installed and they have 7E55 injectors. Yanmar diesel generator. English French Italian Bahasa Melayu Portuguese Español X. like the difference between a 8V71 and a 8v92 except in this case I'm going from a 5mpg 8v92 to hopefully over 8 mpg 12. 33 minutes ago. Home. hsyd loxzny kehqby cebwif omi hszj kjgof gwjw ohyv rvbwjf