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Old 09-04-2017, 05:17 PM   #1
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Hey Guys
Just purchased a 1977 GMC Brigadier
I plan on stretching the frame to accommodate a 28ft living quarter
Still in design stage
Gathering info and advice on what will be my biggest project to date
I think I'm going to start off by installing a Hiab crane in my driveway so that I can do the heavy lifting and shuttling toward shop entry for welding and fab work
I'm also going to work on a rendering to post up and get response on any changes I should make
Thanks and let the games begin
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Old 09-04-2017, 08:11 PM   #2
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Welcome to the group! We have a lot of great people here to help you. But we love Freightlines, petes etc. And I personally believe you can do more with a new model, and spend less bigger is better. That old GMC is going to limit you on cap. hp and more.

Good luck
Sam
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Old 09-06-2017, 09:14 AM   #3
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I had to take a minute to look it up. That is a good looking truck! I'm a sucker for anything old school.

Wikipedia listed standard power for that rig as a 427 gas engine. I know they can make anything pull with enough gears, but I agree with Sam that you may find yourself wanting for more power, especially if you plan on any trips through the mountains.
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Old 09-06-2017, 09:46 AM   #4
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I should have added that this truck is powered by a screaming demon and has Eaton fuller 10 speed
If it needs more power I'll just turbocharge it
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Old 09-06-2017, 12:13 PM   #5
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New should have been newer truck, and be very honest any gas powered truck you wont be happy, trust me, I had a Class C Workhorse powered,and it was pulling a jeep liberty and if the road thought of going an inch higher it would down shift and slow down trying to get up the rise. only had 40 gal of water, that would last the wife and I 2 days, and the Black and Gray tanks were full too, It was a great RV for what it was. Big truck you will want a bigger gen set, and more water gray and black not counting a bigger box. That adds up to more weight. Do your figuring and see what wt your going to be at.

Sam

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Originally Posted by Beaudacious View Post
I should have added that this truck is powered by a screaming demon and has Eaton fuller 10 speed
If it needs more power I'll just turbocharge it
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Old 09-06-2017, 12:20 PM   #6
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Screaming demon is a detroit diesel
She's got the power boys
I need help with floor plan layout and slide engineering

I'm going to do an in chassis overhaul on the engine so we will be starting fresh at nearly 300 go
I'm also going to put a silent choice exhaust system on it so we can travel in comfort then flick a switch when we pull into the pits and make some noise to our site at the drags

Thanks again
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Old 09-06-2017, 01:17 PM   #7
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Ok then your good to go. So what do you need in floor plan help, Don't know anything about installing and building a slide. I have to hit my motor sometimes it stops on a dead spot.

Sam
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Old 09-06-2017, 03:21 PM   #8
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I'd like to do my slides on hydraulics but I'm seeing that not many guys on here like them but don't say why
I like them for the power they have and speed (don't care about speed in this case)
I also want to put a compartment on the outside with outdoor kitchen setup.How do those normally get plumbed?
This RV will be used as a family get away machine as well as racecar hauler
It may even get used to do a few snowmobile trips a year. But I may build another one strictly for this as I want to use it to do guided snowmobile tours (all inclusive) and may need to leave it commercially licensed
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Old 09-06-2017, 05:38 PM   #9
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I've always thought that the weak, slow electric slide motors served as a sort of safety device. I figure that they give me plenty of time to react if they hit something, and probably won't do too much damage if they do.
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Old 09-10-2017, 04:39 PM   #10
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If it's not too late to weigh in... Me being a former Master Detroit Diesel Guild member of 20+ years, may I ask does this truck have an Inline 6-71 or an 8V-71? Reason I'm asking is when doing an in-frame overhaul if you're truly considering a turbo install you need to be aware that most inside parts that will be changed will need to be changed to accept a turbo. The camshafts are different, the gear train timing may need to be changed (Which means the flywheel housing needs to come off to reposition gears to proper timing marks.) the piston crowns are different compression (If they are not changed to the lower compression the fire rings will fail very quickly from to much heat.) and lastly, some of the GMC Brigadiers had body changes to allow the turbo and exhaust pipes to fit. The cylinder heads should be ok as far as valve material unless this engine has the original head. They changed the valve material in the late 1980's to make them all turbo safe but prior to that the naturally aspirated engine valves were a softer material and would fail prematurely with the higher heat of a turbo.
I'm not saying don't do the job, just make sure you build it right or you will hate life in the long run on the Detroit Diesels.
Good Luck and please don't be afraid to ask questions.
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