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Author Topic: 75 GMC 4905  (Read 8166 times)
nbcnco
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« on: January 15, 2010, 05:25:42 PM »

Hello,

My name is Scott Livingston and I am a newbie. 

A little introduction:

I am currently stationed at Fort Carson, Colorado with the US Army.  I will deploy to Iraq in March for 12 months.  After that, it is retirement time.  My wife wants to get a traveling medical job (Occupational Therapy Assistant) and wants to hit the road.  Sell the house, the daughter is off to College courtesy of the GI Bill and pack up the two small dogs.

We have the opportunity to look at a 1975 GMC 4905 here in Colorado Springs (serial number 1133, I believe, but will verify).

http://coloradosprings.kijiji.com/trailers-rvs/colorado-springs/1975-gmc-4905-bus-conversion-rv-coach/?ad=613142

It's currently being listed at $6000.  There is some damage to the bay doors, but it should be repairable. 

I am looking for any insight/recommendations/thoughts. 

Thanks
Scott
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75 GMC P8M4905A-1199
cody
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« Reply #1 on: January 15, 2010, 06:22:28 PM »

Ask to see the documentation of the rebuild, if there isn't any, it didn't happen, it seems that all buses sold have just had a rebuild and now are being sold for a fraction of what the rebuild cost for some reason. 
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Lonnie time to go
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« Reply #2 on: January 15, 2010, 06:27:09 PM »

sounds like a good deal " jake brakes also"

Yes get paperwork for overhaul

Lonnie
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1976 4905
roadrunnertex
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« Reply #3 on: January 15, 2010, 06:31:29 PM »

If the correct serial number is P8M4905A-1133
From GMC to Hartford Motor Coach Co. Baltimore,MD
Fleet number 107
06/1975
Check for corrosion in the wheel wells also the bin doors that are damaged replacement skin is avaliable but very costly.
As for the clain the coach has the miles they state would be a subject to be questioned. Huh
The GMC coaches are a good coach.
Note I own a 1974 P8M4905A and I like the old girl. Grin
jlv
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bryanhes
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« Reply #4 on: January 15, 2010, 06:44:54 PM »

nbcnco,

I have seen that bus for sale a while back. Offer 5K for it. All they can say is no!!  Grin I am a tightwad though, lol

Bryan
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buswarrior
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'75 MC8 8V71 HT740




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« Reply #5 on: January 15, 2010, 07:08:05 PM »

This coach certainly looks like it is worth further investigation.

You don't mind doing some of your own work to update the interior and do your own maintenance on the coach?

happy coaching!
buswarrior
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Frozen North, Greater Toronto Area
nbcnco
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« Reply #6 on: January 15, 2010, 07:15:57 PM »

Thanks for the insight.

Once I retire, I'll have nothing but time.  Need something to keep myself occupied. 

Any recommendations on a good bus shop/mechanic around Colorado Springs?

Scott
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75 GMC P8M4905A-1199
gus
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« Reply #7 on: January 15, 2010, 08:49:07 PM »

I retired from the Navy many years ago, when retired you will find that you don't have nearly the time you think you will!!
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PD4107-152
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JackConrad
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« Reply #8 on: January 16, 2010, 05:50:02 AM »

one suggestion I would make is to remove any graphics that would tend to make a law enforcement officer think this is an entertainer (commercial) vehicle. Jack
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Growing Older Is Mandatory, Growing Up Is Optional
Arcadia, Florida, When we are home
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« Reply #9 on: January 16, 2010, 06:09:17 AM »

nbcnco,

Pictures make it look like it is in good condition, but take a good diesel mechanic with you when you go to look at it, even if you need to pay someone.  As others may mention, be looking at the corrosion, and checking the rear bulkhead forward of the engine for signs of cracking.

If it looks decent, or something you are willing to put the time and money into fixing-- go for it.

One caution though.  It will bother you the whole time you are in Iraq that you are not at home able to use/play/mess with your new toy!

Also,  I don't think you will be in Iraq long!

Steve Toomey
PABusnut
1973 GMC P8m4905A-333

currently somewhere in Afghanistan (where the Army doesn't block this site!)
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Steve Toomey
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« Reply #10 on: January 16, 2010, 06:15:40 AM »

When you go look at it fire it up cold to see what color the exhaust smoke looks like, and also how long before she fires.

Welcome, and God Bless you for your sacrifice!

Paul
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Becky and Paul Lawry, On The Road
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Our coach was originally owned by the Dixie Echoes.
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« Reply #11 on: January 16, 2010, 06:27:06 AM »

Scott, and Pabusnut,  Thanks for serving.  Tom Y
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Tom Yaegle
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« Reply #12 on: January 16, 2010, 06:49:04 AM »

When you go look at it fire it up cold to see what color the exhaust smoke looks like, and also how long before she fires.

check to make sure the engine is cold for this to help assess engine.  Was looking at a bus once and buddy was all trying to sell me on how easy it started no smoke blah blah .... before he started it I had a look in the engine bay etc, noticed it was all nice and warm in there, so of course it started easy with no smoke. 
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gumpy
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« Reply #13 on: January 16, 2010, 07:56:32 AM »

I have a couple friends in CO who have Buffalos. One is in Longmont, one in Pueblo. Maybe they might be willing to come look at it with you and give you some more insight. Email me if interested and I'll send you their contact info.

craig

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Craig Shepard
Located in Minnesquito

http://bus.gumpydog.com - "Some Assembly Required"
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« Reply #14 on: January 16, 2010, 03:17:38 PM »

It looks quite nice!  I had a 4905 that was a great example of the problems with that line of coach. Embarrassed  If this bus is in good condition, they are a great bus.  Here is a list of things to look for.

Rust on the skins around the all windows, in particular the drivers side window at the drivers seat.  If you see signs of repairs, really check the interior of the electrical panel below that window right next to the drivers left leg.  If the window spent time leaking, the wiring and floor in there can be a mess.

Did this coach have the bogie axle in the rearmost bay?  Some did, some did not.  If it did, there will be 2 BIG sections of frame hanging from the bulkheads.

How do the wood floors look from the inside of the bays?  Some of the torsion bars for the bay doors would pull the wood down and out of shape. 

Where is the muffler on this coach?  Some were in the engine compartment between the fan and the engine, others were under the floor , in the center of the coach, forward of the engine.  When that muffler goes bad, it can catch the floor on fire.  That's how I got my MCI.  Shocked

Look at the bushings in the radius rods through the wheel wells for excessive cracking, or being shoved more than about a quarter inch. 

Look at the airbags for cracking.

Look for signs of leaks around the skylights in the "hump". 

If you are planning on full timing, the original insulation in the walls will be poor for cold weather (i.e. north of the mason dixon line).  Get some pictures of the electrical and good details about the inverter and ask questions once you know what is there.  Again for full timing, there is a lot we can tell you about what is in the bus.  The 3500 watt genset will run one, maybe 2 roof airs but that may be stretching things a little.  Others will chime in there.  Again, the cooling power if you can only run 1 roof air with the original insulation may be a problem if you are full timing.

It looks like this bus has the original windows, which would mean no screens to keep the bugs out and you want to be able to have the windows open.  For full timing, you would want aftermarket windows with screens.

I'd be tempted to say that this is a GREAT starter bus for camping, but it might not be ready for full timing without some significant changes. 

Please do not think that I am "ripping apart" this coach, but I would like to make sure that someone who is serving our country is well served by us.  Thank you!

Glenn

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Glenn Williams
Lansing, MI
www.threemenandatenor.com
1968 MCI 7 Ser. No. 7476 Unit No. 10056
8v71
4 speed Spicer
ruthi
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« Reply #15 on: January 16, 2010, 04:26:38 PM »

Glenn, I just looked at your website. You guys are great. If yall are ever in the southeast, let us know. Grin
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Mixed up Dina, ready for the road as of 12/25/2010
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« Reply #16 on: January 16, 2010, 04:28:10 PM »

Thanks Ruthi!

Glenn
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Glenn Williams
Lansing, MI
www.threemenandatenor.com
1968 MCI 7 Ser. No. 7476 Unit No. 10056
8v71
4 speed Spicer
nbcnco
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« Reply #17 on: January 18, 2010, 10:33:08 AM »

Well,

The wife and I looked at the bus.  Offered $4500 and they accepted.  We should be the proud owners of this 75 Buffalo sometime this week.  Now the fun begins.

My wife is interested in having the roof raised.  Is this feasible with the monocoque construction?  Any good companies out there, perhaps close to Colorado?

Again, thanks for all your advise. 

Scott
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75 GMC P8M4905A-1199
nbcnco
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« Reply #18 on: January 18, 2010, 10:38:59 AM »

Forgot to mention,

the correct serial number of the bus is P8M4905A-1199.

Scott
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75 GMC P8M4905A-1199
roadrunnertex
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« Reply #19 on: January 18, 2010, 10:44:26 AM »

From GMC to Peerless Stages fleet number 306 (San Jose,CA) 09/1975.
Roof raise? I would not do it if it were my bus, but some folks raise the roof and have good luck doing so.
jlv
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roadrunnertex
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« Reply #20 on: January 18, 2010, 11:02:42 AM »

Go to the below web site this is your Coach when it was in service with Peerless Stages.



http://www.norcalbusfans.fotki.com/north-calif-n-thru-z/peerlessstages1/peerless306.html#media

jlv
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bryanhes
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« Reply #21 on: January 18, 2010, 12:32:20 PM »

Scott,

Good deal on the 4905  Grin After seeing the picture JLV posted while it was still in service and the one of it now, I think you should leave the dented baggage door on the left front door. Its part of history, lol

Good luck with your new bus,

Bryan
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« Reply #22 on: January 18, 2010, 01:03:04 PM »

Sounds like you got a good deal!  We look forward to updates!

Glenn
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Glenn Williams
Lansing, MI
www.threemenandatenor.com
1968 MCI 7 Ser. No. 7476 Unit No. 10056
8v71
4 speed Spicer
4905 doc
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« Reply #23 on: January 18, 2010, 01:13:28 PM »

Florida Cliff raised the roof on his 4905. I'm sure he can tell you all that's involved.
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bigjohnkub
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« Reply #24 on: January 18, 2010, 01:19:38 PM »

I rear all of these posts twice, and did not see any mention of transmission.  I have a pd4903 and apd4107 that are much the same powertrain.  If it has a 4 speed, learn to drive it. Search the post's on this site for lots of good info.  I live in C. springs while station at USAF academy.
  Make sure your wife can shift while hearing gears grind.  Keep her informed of this site, breakdowns on road are not common, but can be frustrating. Get a good road service. I use Good Sam, but others are available.
  The right rear door skin is or was dented on everyone of these I have seen.  They don't turn sharp.

Good Luck and welcome to the busnut's

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Big John  Tyler Tx PD 4903-188 & 4107
871 dd, 4 spd Fuller.
LOVE MY BUS!!!!
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« Reply #25 on: January 18, 2010, 06:06:48 PM »

Aft right baggage bin lower door rub rail dented in! Cry
I have been there and done that on my 4905.A steel post caught my bin door in a right turn in close quarters. Angry
A fellow bus fan and my self kid each other when we see a bus with the bin door rub rails dented in by a steel post or fire hydrants.
We both say it's because the electromagnets are working in the bin door.
These electromagnets work off of the right or left turn signal's when they are flashing which will cause a steel post and other things like fire plugs to be drawn into the baggage bin doors causing damage to the outer skin of the doors.
We are unsure how to disable the electromagnets on our coaches.
So in the mean time we give the fire hydrants and steel post's plenty of room in tight turns and this seems to solve the problem with the electromagnets. Grin
Bin door damage is costly and looks unsightly so give you self some room and check the mirrors when turning left or right.
Also stop and get out and look if it's close. Shocked 
jlv
jlv


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Lonnie time to go
Lonnie
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« Reply #26 on: January 18, 2010, 08:42:27 PM »

Florida Cliff raised the roof on his 4905. I'm sure he can tell you all that's involved.



I would love to see detailed pictures of that. Very good idea

Lonnie
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1976 4905
Barn Owl
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« Reply #27 on: January 18, 2010, 09:23:34 PM »

Here is someone that has already done a roof raise, and they did a good job documenting it: 4905 Conversion

As most here know, I am a big GM fan for many reasons. Now here comes the BIG but...... A Gm is one of the more difficult buses to make this mod to.

Any bus that you convert needs to be a labor of love because you will never recover the cost of conversion. Buses that are no longer produced or supported by the manufacture becomes even more so, because the resale value plummets to little of nothing. Unfortunately a GM is one of these. The conversion will run about the same whether you are doing a Prevost or a GM, but the value of the finished product, and the ability to resale it will manifest a big difference in the end. As long as you know this before you start you will be fine.

I am 6'1 and I don't have a problem in my GM. Also, when you start raising your roof you start limiting yourself to where you can go.

Congratulations on your new toy.
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L. Christley - W3EYE Amateur Extra
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« Reply #28 on: January 18, 2010, 10:14:08 PM »

Scott -

Sounds like you got a good deal! 

FYI, I'm familiar with Peerless - used to ride them from Los Gatos over the hill to Santa Cruz when I was a kid, as well as their commuter run into San Jose in the bus pictured below - back when it was new!

For a long time they had a great maintenance program, but after deregulation in the '80's, budget cutting had it's effect.

Still, it's a CA coach, a plus.

Might I ask a question?  WHY does your wife want the roof raised?

Here's Peerless's #246, now the pride of the Pacific Bus Museum:





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RJ Long
PD4106-2784 No More
Fresno CA
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