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Author Topic: I need help  (Read 3448 times)
rip
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« on: September 07, 2010, 09:04:54 AM »

I am westbound on 90 north of Alexandria,Mn when my 8v92 started to run hot.I checked my coolant level and it was low.I putnin 5 gallons and it was still ow.I didn't see any leaks so I check my oil dip stick and I found where all my coolant went.I bet I have 4-6 gallons of water in my oil.Now what can I drive it any distance or do I need a tow.Any suggestions to where I couls have it towed to.
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Jriddle
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« Reply #1 on: September 07, 2010, 09:13:23 AM »

You should get a tow. Antifreeze in the oil will and probably have ruined your bearings. You don't want to run it till it seizes up. The cost of repair will go way up if that happens.

John
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« Reply #2 on: September 07, 2010, 09:27:40 AM »

I agree with John, no more driving it till repaired. 

To help clarify your location for folks that might be able to recommend a shop to tow it to, Do you mean  I-94 north of Alexandria, MN?  I-90 runs along the southern edge of Minnisota.

The help assist list has several great bus nuts in the Minneapolis area that may know of some shops along I-94.  http://www.cruiser-magazine.com/page3a.html#Minnesota

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rip
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« Reply #3 on: September 07, 2010, 10:03:27 AM »

Sorry,I am on I-94 and I have a tow truck in route. I talked to C.J.'s in Mpls.and he recommended Stussey's diesel in Alexeranda.I hope tey are good.
   Don
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RickB
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« Reply #4 on: September 07, 2010, 10:38:07 AM »

Hey Don,

Wow that's heart breaking... If you can get it down here there is a really reasonable shop here in Mpls where C&J has alot of their stuff R&R'd it's called central diesel in east bethel. But the tow bill might negate the savings. That is right up by our cabin but I have never met a good 2 stroke person up there. Call us if you need help at six one two three eight five seven three nine seven. I sold my 8V92 to curt at central diesel so I know he has a new turbo and blower if the part #'s match up

Keep in touch,

Rick
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« Reply #5 on: September 07, 2010, 10:43:29 AM »

I'm checking with wifey to see if it would be alright to have you guys stay at our cabin while your motor get's rebuilt. It's about 20-25 minutes from alexandria.

RB
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« Reply #6 on: September 07, 2010, 01:03:18 PM »

If C & J recommended them they are probably AOK! JD and the bunch @ C & J are not going to jeopardize their good reputation by recommending a bad shop!
But on the other hand sometimes it pays to bite the tow bill (or let your road side assistance pay it) and take it to the "known good location"
FWIW
Grin  BK  Grin
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« Reply #7 on: September 07, 2010, 02:47:47 PM »

Sorry,I am on I-94 and I have a tow truck in route. I talked to C.J.'s in Mpls.and he recommended Stussey's diesel in Alexeranda.I hope tey are good.
   Don

Don,

I'm about 100 miles away from you, back towards the twin cities.  Call me if you need anything.  7 6 3 - 5-2-8  3.5.7.3.

Craig
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uncle ned
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« Reply #8 on: September 07, 2010, 04:15:46 PM »



  A short story about my first long trip in my first bus. A older converted 4104 that i drug out of the woods and got running.

A group group of us about 10 s&s and myself were on a our way to Daytona bike week. Along about the SC- GA line mine started to run hot and i had to stop and put water in it often. A friend of mine with a new american eagle s&s stayed with me. along about jacksonville he came across the cb and said to slow down he was having trouble.

After a few mile I finally stopped and waited on him. He came along in a big cloud of smoke. We took it to cummings dealer in Jacksonville and left it and on to daytona with his bikes in my trailer.

Caught up with the rest of our group at the west parking lot of the speedway.

The next morning I pulled the dip stick our and out came water. Drained the crankcase all week and refilled it on sunday. Started it up an back to carolina we went. just adding water ever now and then.

New head and bearings later it still runs good. Tough 6/71.

uncle ned

ps it was four months later before the American Eagle made it home
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« Reply #9 on: September 07, 2010, 07:59:46 PM »

  This is a sad situation, and my heart goes out to you. I would be in serious trouble if something like that happened out on the road far from home, because I simply wouldnt have $10 or $20K to throw at it to get it going. Plus, I would probably want to try fixing it myself if at all possible, mainly because im really cheap. Heck, im looking for a really cheap Bus, a motor would surpass its value. Heres to praying yours is a simple or inexpensive fix and your back on the road soon.

  Ned, those inline 71's do sound awfully tough. While no one can ever guarantee against the unexpected, are the 92 series engines more trouble prone than the 71 series? Are the inlines less likely to spin out bearings if the engine springs a leak? I am curious about your problem and how you got it home.

  And while we are talking about it, is there any quick fixes or bandaids to get this Bus on the road so he can get it home???
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« Reply #10 on: September 08, 2010, 01:20:10 AM »

I'm guessing with the higher compression this won't work on a diesel, but it has worked on gassers so I'll throw it out there. 
`Re torque the head, basically follow the loosening/tightening pattern and loosen all the head bolts a half turn, then follow the pattern and torque to spec.,  I'm thinking this works when the wasn't torque properly in the first place, I have had it work for me twice ( 2 different 4 bangers). Probably a big PITA on a 6V 92 stuffed into a bus, but would be easier on a 6-71 inline in a  Vdrive. 
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« Reply #11 on: September 08, 2010, 05:18:00 AM »

The simplistic difference between the 71 series engines and the 92 series engines is that the 71 series cylinder liners are fitted dry, they do not touch coolant, while the 92 series are wet with o-rings and seals to keep the coolant where it belongs.  This makes them more susceptible to damage from overheating, where the liners can lose the seal and coolant can get to where it shouldn't be, and also to corrosion from incorrect coolant, which I know little about.  There is a feeling that a 71 series might be able to withstand more abuse than a 92 series could, and limp home.

Brian
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« Reply #12 on: September 08, 2010, 06:09:16 AM »

He didn't get that much water in the oil from the liner seals or a cracked head he blew a head gasket or lost a after cooler same thing could happen on a 71 series


good luck
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« Reply #13 on: September 08, 2010, 09:19:41 AM »

My bet is on the after cooler Clifford. When we pulled mine those seals were brittle. Amazing that a $3 part can completely incapacitate a motor and cause 5-15k in damage.

Rick
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rip
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« Reply #14 on: September 08, 2010, 06:51:24 PM »

Here's an update;After getting it apart today,I found I need a new head.I think they call it a stud guide which is pressed into the head came out.I am heading out tomorrow to Mpls. to pick up a rebuilt.We are going to check with C & J to see if he has a used one along with a few other parts. Everething else looks good so we will see how it goes back together.They thing they will be done by Friday if all goes good.
   Don
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rip
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« Reply #15 on: September 19, 2010, 07:14:49 AM »

Finally, back on the road again.First off thanks for all the help and concerns.I did have the bus towed and was covered by insurance.The owner of Stecussy Diesel,Mike is a great guy and let us stay in the bus while work was being done.They do not do a lot of two stroke's,but they do have a two mechanics hat have some experience.When it came to setting the rack,Mikes dad came in to do that.He taught diesel mechanics for 32 years and nailed the tune up.We left Thursday and made it to Coeur d' Alene Id. and the engine is running great so far.
       I went to Truck Service to pick up a new head and met the owner Curt Vetsch.He has 25 years of working on two stroke's and really knows his stuff.He suggested installing new rod and main bearings which he had in stock. If anyone is looking for parts,rebuilt engines or advise,I would call this guy.
        Don
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Rick59-4104
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« Reply #16 on: September 19, 2010, 07:51:44 AM »

 Do you mind if I ask what the $$$$damage was? Did you end up replacing the bearings or just a new head?
 Not having any trouble with my 4104 just curious what something like this would   (should?)  run if it was to happen. (realizing the final dollar cost could vary wildly depending on the damage and the repair shop).
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rip
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« Reply #17 on: September 19, 2010, 08:15:59 AM »

Here is a what I had done.Rebuilt head,new bearings,exhaust manifolds machined,two crossover pipes and gaskets. 40 hours labor and parts,$4,700.I fulltime and no plans on selling my Prevost,so the cost is just part of fulltiming.
   Don
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« Reply #18 on: September 19, 2010, 08:26:02 AM »

based on some of the things i've had done, including installing jakes, that sounds like you were really treated well.  i'd put those garages on my map with stars next to their names. ;-)
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« Reply #19 on: September 19, 2010, 08:34:50 AM »

You were treated good on the head if buying a new head from DD they are over 3 grand for the bare head no valves or spring.I am still trying to figure out the stud ?



good luck
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« Reply #20 on: September 19, 2010, 08:37:29 AM »

Don-Good going! You found out that the cost of the tow is much less then trying to limp home and goof up more in the engine.  You got off relatively easy and pretty cheap compared to if you had spun a bearing, or thrown a rod.  Take care and good running!  Good Luck, TomC
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« Reply #21 on: September 19, 2010, 08:44:32 AM »

 Don, Thanks for posting your costs and experience with the repair shop...The internet can be a powerful tool when selecting a shop to do work for us.. I could see the need for a whole new forum on the going- to-happen away from home breakdowns, the repairs, what we were charged and just how we felt when the wallet was put away and we are driving away from the repair shop..
 It would help but I guess we usually at the nearest shops mercy depending on where you are when you have problems.
Rick
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« Reply #22 on: September 19, 2010, 08:58:29 AM »

For you guys that don't know you spin a main bearing in a 8v92 it will put you in the 12,000 + buck repair range in a hurry

good luck
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rip
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« Reply #23 on: September 19, 2010, 12:11:57 PM »

You are right.That is exactly what Curt said,he called it cheap insurance.Im glad I met him. He also has a fresh 8v92 rebuilt if anyone is looking.
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RickB
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« Reply #24 on: September 19, 2010, 05:29:20 PM »

Are you talking about Curt from central truck service in east bethel? if so thats the guy I recommended you have work on it.
Rick
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rip
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« Reply #25 on: September 19, 2010, 06:06:08 PM »

Yes that's him.If I need any work done he would be my choice.I was very impressed with his knowledge and willingness to help. His shop rate of $75.00 hr. is not bad either.
  Don
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« Reply #26 on: September 20, 2010, 06:06:24 AM »

Curt is a really honest, hard working and skilled 2 stroke mechanic, grew up working on the tractors on the family farm.
I spoke to him Friday and he told me he was building a slide in 8v92 made specifically for an mci. The right bellhousing, motor mounts and pulleys are hard to switch out and find. I didn't know his last name. I am glad that he did your work.
You passed on the main and rod bearings are you certain that no coolant got into them? Clifford was right on with his estimate of 12-15k if you spin a bearing.
Good luck and safe travels
Rick
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« Reply #27 on: September 20, 2010, 06:37:11 AM »

You may have missed one of my prior post stating I did replace the bearings.He said the material the bearings are made of are very susceptible to antifreeze.He told me a story of only one time he could not convince a customer to rep;ace the bearings and three weeks later the called him and had spun the mains.Bottom line,if Curt says something needs to be replaced I would do it.
   Don
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« Reply #28 on: September 20, 2010, 08:06:09 AM »

"Bottom line,if Curt says something needs to be replaced I would do it"

Amen to that Don...

So glad he was able to help you. Pretty cool shop huh? Those guys he has working for him are top notch.

C and J wouldn't send their turbo's, heads and cranks to him for r&r if he wasn't good. He was so bummed for me when the 8V92 I bought to put in my bus turned out to be a goner. He actually bought it from me and plans to build it for a trucker who needs one.

That is one piece of advice I wouldn't hesitate to give folks here on the board. Truck motors take alot of unforseen modifications to be ready for a bus application. Wanna new motor for your bus? Buy or rebuild a bus motor unless you are a fabrication genius. Motor mounts, oil coolers, geared camshafts for a rear alternator, bell housings, flex plates. The list goes on and on.

I guess it would work if you owned a bus junkyard and you could just scavenge the parts but I don't think any of us have a bus junkyard.

Although a couple of folks on the board have 3-4 of the beasts. and then there's BK
 Grin Grin

Rick
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