| Author | Message | ||
| Garth C. Burt (Gcburt) (209.248.25.191)
Rating: N/A |
I understand there were about 100 MCI MC-6s built using the 12V71. I've looked at what is in our BBS archives, but have additional questions. Does anyone know if there were other buses that used that engine? Does anyone have any actual experience with the 12V71 in any bus (other applications or conversion to or from)? I heard a small audio clip - what music! Garth | ||
| RJ Long (Rjlong) (67.182.110.77)
Rating: N/A |
Garth - TTBOMK, the MC-6 was the only bus built w/ the 12V71 - 4spd manual trans, and only the Canadian Hounds kept it thru-out their commercial career. US Hounds had them all converted to 8Vs with HT-740 Allisons, due to too much downtime caused by drivers burning up the clutch. (Speaks well of US drivers, eh??  ) I was fortunate, in my early career in the charter industry, to spend some time behind the wheel of the beauty pictured below. It was a Canadian coach w/ the 12V in it. Because it's a heavy beast, it really didn't climb the Grapevine (I-5 into/outof Los Angeles) much faster than the MC-8s and MC-9s with 8Vs in them, about 40 mph in 3rd compared to 35 mph in 2nd. Might say that the performance was about equal, but the fuel consumption sure wasn't!! Don't know what happened to this coach, after the owner passed away and the company was dissolved by his widow. Last I heard, it was down in Texas somewhere, but that was 15 years ago. . .  HTH, RJ PD4106-2784 Fresno CA | ||
| TWO DOGS (63.185.81.126) Rating: N/A |
I was looking at a truck years ago....what a shock...when he started it up...12v71...you could 'feel' the power....I don't think they put out near what a big cat does tho... | ||
| Don fairchild (209.234.134.61)
Rating: N/A |
Garth; Back in the 70's we had an mci with a 12V71N in it at Delaney and Alhf Diesel Service in Bakersfield CA. we pulled the engine and converted it to a twin turbo engine. Wayne Dolittle also spent About Two weeks rebuilding the rearend of the bus. The framing in the engine compartment. This was for a Gentelmen by the name of Mr. Manciebo. Owned A bus line out of fresno I think. We also Bulit the superboss race truck at Delaney & Ahlf. It was A twin turbo 12V71 with an HT 750 auto, and held the land speed record at boneville for some time in the 70's. I have seen four scenicrusiers around the Bakersfield area with 12V71N engines in them. I have worked on two of them. I have just returned from the Navy Ship yard in Philadelphia PA. where I converted A 12V71N to A twin turbo 12V71T with A charge air cooler for emission testing and demenstration. I spent almost three mounths there helping them dyno test several techonolegies. Including our own. Our web site is www.cctskit.com If you are looking for A shop to build one for you I would recomend Tri-county services in Bakersfield CA. (661) 587-0641 ask for Tim or Bill.They build several of these engines for key energy. I have to agree there is not another engine out there that sounds like A well built 12V71. I also have to agree with RJ, They do like the fuel. Don Bakersfield CA | ||
| Bus Jock (4.41.170.83)
Rating: N/A |
Garth, We had a 12V in an 85 foot fishing boat. It had a zillion hours on it, still ran great. Instant start etc. I eventually took it to Dutch harbour in the Alutians.. It was used for many more tirps there and I never heard of any problems. However in a boat, it runs at 1800 RPM mostly 24/7 and has very cold water across the keel cooler. I think in transport service there were some problems, but they are run fast and hot. I think if you are conservative on the pedal and watch the temps you should get good service. There were a couple of rpm ranges to avoid, but they are not in the cruise range. Jock | ||
| Henry R. Bergman, Jr. (Henryofcj) (67.136.241.239)
Rating: N/A |
Hello Don; Any chance you remember a bunch of crazy city firefighers by the names of Tiny, Troy, Willis and Bergie? I'am the Bergie. We were the nuts who kept stuffing 353 and 453 Detroits into Ford pickup trucks way back in 1974 or soosss. Spent a lot of time at D and A digging thru your junk part bone pile. Actually assembled some working Detroits. It's a small world. | ||
| Marc Bourget (209.142.38.81) Rating: N/A |
Henry, They're 3 4-53T powered Pickups in the yard of the DD rebuilder next to my shop that passed away. All are up for sale as part of the estate sale. If you're interested I'll get a contact # Marc Bourget | ||
| Don Fairchild (209.234.134.61)
Rating: N/A |
Henry; There was a lot of that going on back then. We even did that if some one broke and could not aford to fix what they had. If I saw your face I might remember you. Were you around when the 8.2 got stuffed into the F-250 4X4.about 76 or 77 I still go over and go thru there bone pile from time to time. | ||
| Henry R. Bergman, Jr. (Henryofcj) (67.136.241.239)
Rating: N/A |
I saw a Ford with the 8.2, but was only very indirectly involved with it, nor did I ever get to drive it. Do NOT remember or know if it was the same pickup you refer to. You name kinda does ring a bell. | ||
| Johnny (4.174.109.218) Rating: N/A |
4-53 in a pickup...drool... I need one of those........ | ||
| T.K. Hays (68.92.109.185)
Rating: N/A |
In the mid 70's I made a trip from western Kansas to southern Cal with a refer loaded with beef in a COE freightliner, 12V Detroit and 4x4 air shift transmission. And if you think that sentence was a mouthful you should have tried to drive that combination. I had been running 10 and 13 speeds up to that time and since 9, 15, 16 and all engine combinations but nothing has been as hard to master as that 12V-4X4 combo. The tires were not as good as what we have today under big HP trucks and one of the problems was tire and clutch life. For those not familier with 4X4 trans, you basically had 2 4 speed transmissions connected back to back. (one trans had a reverse gear) Early trucks had a shift lever for each, later ones were shifted with a air switch mounted on the one lever. The principle was the same. Start in 1st gear in box one and shift the 2nd box 1-2-3-4 then shift to 2nd in the first and 1-2-3-4 again and so on. There were really small splits and the setup was designed for low horse power engines or heavy haul trucks. The only reason this particular truck had it was because the guy that ordered it was an oldtimer and had grown up around that stuff. The 12V had a sweet sound but like all of the 2 cycle Detroits it had no torque so long grades ate them up. Detroit never did get the market share they wanted of the over the road trucking market because of this. | ||
| Johnny (4.174.106.220) Rating: N/A |
I want that FL...........swap the 4x4 for aomething like a 13-speed, maybe see hot much you can get out of that Jimmy. Then leave the guys with the N-14's & Series 60's wondering why they can't keep up with that old, smoking cab-over. And TK, does that mean I can put you down as declining a chance to drive a 1958 Freightliner COE with a 175HP non-turbo Cummins, a twin-stick 15-speed, & Armstrong power steering? Figured. |