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Author Topic: GMC 4905 - Newbie questions  (Read 4563 times)
RJ
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« Reply #15 on: March 23, 2009, 03:16:37 PM »

U2 -

Being an orphan, being a shell, and with no documentation regarding the engine OH and oil changes, well. . .

Doesn't look like a roof raise, just R&M fiberglass caps front & rear.

As RoadRunner mentioned, find out the VIN on the coach, that's important too, due to rust issues with NE units.  Lots of rot is hidden on these.

BG's 40% fuel mileage figure is not accurate.  The 4905s w/ stickshifts I used to drive got 7 - 8 mpg.  The ones in the fleet with the V-730 automatic got 6.5 - 7.5 on 300 mile runs.  Depends a lot, however, on where you're driving.  City streets and climbing Rocky Top are mileage robbers, big time, with a bus - ANY bus, for that matter.

IIWM, I'd offer him $2500 cash.  If he doesn't take it, well, there's more fish in the sea!  You might also post the approximate price range you're budgeting for a shell purchase, and whether you're open to other makes & models.

I also agree with Arthur - put at least your city/state in either your profile or signature, so others nearby can help.  Also, it can help us guide you to nearby reputable repair shops, etc., w/o sending you 2,000 miles out of your way to Cantua Creek.  Adding that info is easily done by editing your profile from the link above.

FWIW & HTH. . .

 Wink
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RJ Long
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RickB
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« Reply #16 on: March 23, 2009, 03:33:50 PM »

I owned a 4905 for 4 years and after replacing brakes, radiator, injectors, turbo, transmission and a million other little parts I personally wouldn't own another GMC. MCI parts are far more accessible and the overall feel, turning radius, road noise etc. of the MCI is a better fit for my personality. Have the brakes checked that's a 12 thousand dollar job in itself.
I would drive an MCI as well and make sure you take them both up a steep hill and put your foot in it while keeping an eye on your mirror. What you see will say alot more about the condition of the motor than a highly motivated seller just trying to get rid of something.

Good luck and make a thorough search...

Rick
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u2canhave1
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« Reply #17 on: March 23, 2009, 04:59:50 PM »

WOW. I am so surprised at the number of responses.  I have attached pics of the interior.  You see the most attractive this is I get to do the interior for the most part to my taste and that is where I want to spend my time.  I have reached out to get the VIN.

Ok, so here is another Newbie question.  I did not know there are places I can send oil for analysis.  I totally agree with many of the comments here, but I do not think it comes across in the quote that the email was sent from his wife, thus, there may be records, there may be receipts, there may be a log.  I need to speak to the husband.  This is located in Yuma and I am thinking the same as many of you that 10k may be a bit on the high side. I simply guessed about on the roof raise or no raise.  I have not physically inspected the bus yet, thus I am like you all. Making assessments on what is seen in the pics.

I will be posting the last pics I have on this buss in the next post.
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Busless
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u2canhave1
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« Reply #18 on: March 23, 2009, 05:03:12 PM »

I am completely open to most bus makes, I simply like the stage this one is at assuming that mechanically it is in good shape.  I agree with RJ and agree with his assessment in this market.
« Last Edit: March 23, 2009, 05:18:49 PM by u2canhave1 » Logged

Busless
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BG6
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« Reply #19 on: March 23, 2009, 07:45:05 PM »

U2 -
BG's 40% fuel mileage figure is not accurate.  The 4905s w/ stickshifts I used to drive got 7 - 8 mpg.  The ones in the fleet with the V-730 automatic got 6.5 - 7.5 on 300 mile runs.  Depends a lot, however, on where you're driving.  City streets and climbing Rocky Top are mileage robbers, big time, with a bus - ANY bus, for that matter.

I've learned to take the in-service worst-case and then double it.  A few times, I discovered that I didn't go "worse enough."

Taking your spread, 8 for the stick and 6.5 for the auto, is a drop of 20% -- for a coach in normal service, properly maintained.  Add a few years of private owners who let everything deteriorate and just plain sit . . .all sorts of not-so-goods happen in there.  Few of those improve fuel mileage.  Even just "dead" fluid can rob you of mileage.

None of those things happen in the manual gearbox.  It works or it doesn't.  An oil change works wonders.

So, when comparing an old manual coach to an old auto coach, if you plan on a 40% drop and get a 30% drop, you're happy, but if you plan on a 20% drop and get a 30% drop, it's the end of the world.

The original poster "knows very little about the mechanical nature of buses" -- I would rather that he or she doesn't learn by paying a lot of unexpected bills. 

I put my money where my mouth is, BTW.  I've got my PD4903 on the market, and Sunday night talked a guy out of buying it because he just isn't prepared to take care of the little TLC stuff that it needs.  After all, if you read the ads, it seems that I have the only for-sale coach in the country which hasn't had a recent "complete" overhaul . . !   Wink

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u2canhave1
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« Reply #20 on: March 23, 2009, 09:45:04 PM »

It really never ceases to amaze me when dealing with some people.  I asked for the VIN and was questioned why I wanted it.  I also asked the following (the questions are mine) and got the following back:

The pics are a bit fuzzy, is that two seats in the front? Yes
How does the air work? Yes
I see some other things on top of the roof, what are they? Solar Panels, Roof Vents,
Does it have a Gen? If so, what kind and what shape is it in? No Generator
Does it have a tow hitch? Cant tell from the pics Yes
Has the roof been raised? No
What type of tread is left on the tires? 90%
What size tanks did you put in? 100 gal fresh water, 110 grey/black combo

This info is still coming from the wife, thus I am not confident in some of the answers, but the investigation goes on.  Thanks to all for the insight.
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Busless
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RJ
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« Reply #21 on: March 24, 2009, 02:01:29 PM »

BG -

I was going to comment on your response to my fuel economy ranges, but decided that would be non-productive for U2.  Too many variables between revenue service and RV usage.

At least he has an idea of the rate he's going to have to pour diesel into it.

Or, like many of the rest of us, just to be on the safe side, NEVER driving more than 500 miles w/o fueling - it's not fun trying to reprime an old two-stroke!  BTDTHTS!!

Say, BG6, how about following up on Arthur's suggestion to U2, and put your city/state in either your profile or your signature - you might find some fellow busnuts nearby who'd love to swap bus war stories over a cold one!

FWIW & HTH. . .

 Wink

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RJ Long
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u2canhave1
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« Reply #22 on: March 24, 2009, 09:17:54 PM »


Also please post the VIN number I will tell you who bought it new from GMC.
Thanks jlv

The vin is P8M4905A1653.  I appreciate all the help you and this board have provided for me.
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Busless
Scottsdale, AZ
RJ
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« Reply #23 on: March 24, 2009, 10:40:35 PM »



The vin is P8M4905A1653.  I appreciate all the help you and this board have provided for me.



U2 -

P8M4905A-1653 was delivered new in May of 1977 as fleet number 500 to Chicago Sightseeing Co, based in Chicago, IL.

According to another, specialized, list that I have, it was also one of 53 4905s delivered new from GMC in 1977 equipped with the optional V-730 automatic right out of Pontiac.  So this is not a coach that has had the bulkhead cobbled up to install the automatic by some subsequent owner, it came that way originally.

OTOH, it IS a Rust Belt unit, so I, along with a whole lot of others on this board, would be very, very diligent inspecting the chassis.  Two places to look:  Inside the exterior compartment directly under the driver, and also the engine compartment tailgate.  Look closely at the framing for both - if they're rusted out, or show signs of major repair, say thank you and continue shopping.  Or wave $1500 cash, and tell them the difference between what you're offering and what they are asking is what it's going to cost to repair all the hidden rust & corrosion.

FWIW & HTH. . .

 Wink
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RJ Long
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BG6
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« Reply #24 on: March 25, 2009, 06:40:31 AM »

BG -

I was going to comment on your response to my fuel economy ranges, but decided that would be non-productive for U2.  Too many variables between revenue service and RV usage.

Truer words were never spoken.

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Say, BG6, how about following up on Arthur's suggestion to U2, and put your city/state in either your profile or your signature - you might find some fellow busnuts nearby who'd love to swap bus war stories over a cold one!

Well, since I fulltime and where I am today may not be where I am tomorrow, I'm not sure this would help . . .currently I'm running around in northern California . . .
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RJ
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« Reply #25 on: March 25, 2009, 09:38:45 AM »


Well, since I fulltime and where I am today may not be where I am tomorrow, I'm not sure this would help . . .currently I'm running around in northern California . . .



Well, now. . . if you're going to meander thru Yosemite or Kings Canyon National Parks, or just heading thru Fresno on 99, give me a holler.  We could swap bus war stories over a couple of cold Pepsis.  Contact info's in my profile.  Overnight parking's available out front, no hook ups other than a long extension cord, tho the price is right!

 Wink
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RJ Long
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u2canhave1
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« Reply #26 on: March 25, 2009, 05:54:54 PM »

Thank you all.  I still think in this market it is worth taking a look at it.  Who know it may be the one out there that has limited rust, but now, through many of you, I am educated what area's to focus on.  So in obtaining a sample of the oil, where should that be sent? How much should I try to obtain?

Thanks again!
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Busless
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Lin
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« Reply #27 on: March 25, 2009, 07:07:04 PM »

Don't worry about it going away so fast.  There are lots of buses around and lots more wherever they came from.  If, after having it thoroughly inspected you still like it, low ball the offer.  It is scary how fast what seems like a fair deal can turn white elephant as you drive home.  It is worth questioning why the wife is handling this.  If my wife were selling our bus, she would know absolutely nothing of any value.
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« Reply #28 on: March 26, 2009, 02:02:53 PM »


What type of tread is left on the tires? 90%


The age of the tires is probably more important info.  Ten year old tires with 100% tread are worthless.
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