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Old 05-01-2017, 10:54 PM   #1
Mini-Skoolie
 
Join Date: May 2017
Location: San Francisco
Posts: 16
Year: 1972
Engine: Cummins NH220
First Bus! 1972 Crown w/ Cummins 220

Hi all!
I just bought my first bus, a 1972 Crown with a Cummins 220. She's a beauty! Planning to drive it from LA to SF in a few weeks. The engine looks solid and I had a chance to take it for a spin but I would love some advice on how to best prepare for the trip. Anything in particular I should check aside from regular levels? Any overheating risk I should be aware of, especially in the hills outside of LA on the I-5? Any RPM range I should keep it in?

Thanks!
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Old 05-01-2017, 10:56 PM   #2
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Join Date: Jan 2017
Location: Massachusetts
Posts: 1,225
Year: 2002
Coachwork: Bluebird
Chassis: Bluebird
Engine: 5.9 Cummins 24v
Rated Cap: 72 pax
Quote:
Originally Posted by hanaiapa View Post
Hi all!
I just bought my first bus, a 1972 Crown with a Cummins 220. She's a beauty! Planning to drive it from LA to SF in a few weeks. The engine looks solid and I had a chance to take it for a spin but I would love some advice on how to best prepare for the trip. Anything in particular I should check aside from regular levels?

Thanks!
Tires!


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Old 05-01-2017, 11:08 PM   #3
Bus Crazy
 
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Join Date: Sep 2013
Location: Vacaville, Ca
Posts: 1,476
Year: 1988
Coachwork: Crown / Pusher
Engine: 8.3 Cummins
Nice, Why SF ?
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Old 05-01-2017, 11:12 PM   #4
Mini-Skoolie
 
Join Date: May 2017
Location: San Francisco
Posts: 16
Year: 1972
Engine: Cummins NH220
Coz I Live there
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Old 05-01-2017, 11:13 PM   #5
Bus Crazy
 
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Join Date: Sep 2013
Location: Vacaville, Ca
Posts: 1,476
Year: 1988
Coachwork: Crown / Pusher
Engine: 8.3 Cummins
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Originally Posted by hanaiapa View Post
Coz I Live there
In SF or the surrounding area ? I'm in Vacaville
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Old 05-01-2017, 11:20 PM   #6
Mini-Skoolie
 
Join Date: May 2017
Location: San Francisco
Posts: 16
Year: 1972
Engine: Cummins NH220
Live in SF but the bus will be in Sierra Foothills.
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Old 05-01-2017, 11:23 PM   #7
Bus Nut
 
Join Date: Feb 2015
Location: Cincinnati, Ohio
Posts: 462
Year: 2000
Coachwork: Blue Bird
Chassis: International
Engine: TE 444
Rated Cap: 12
Cummins 220 redline is 2000 rpm, like all the small cam Cummins engines, operating rpm is 1400 to 2000 rpm in the higher gears, don't lugg the engine as you get somthing called driveline resonance, a harmonic condition that does bad things to the transmission. Ignore if it is an automatic. Check your tire age
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Old 05-01-2017, 11:30 PM   #8
Mini-Skoolie
 
Join Date: May 2017
Location: San Francisco
Posts: 16
Year: 1972
Engine: Cummins NH220
Thanks! It helps. It's a manual. As for the tires, they're in good shape with a good amount of thread left on them. the spare looks good too.
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Old 05-01-2017, 11:36 PM   #9
Bus Crazy
 
Join Date: May 2016
Location: Pacific North Wet
Posts: 1,061
Year: 2002
Coachwork: Bluebird
Chassis: All American RE (A3RE)
Engine: Cummins ISC (8.3)
Rated Cap: 72
Quote:
Originally Posted by hanaiapa View Post
Thanks! It helps. It's a manual. As for the tires, they're in good shape with a good amount of thread left on them. the spare looks good too.
Congrats on the beautiful Crown!!

I am hoping that the tires have good tread. Last time I had tires that showed good thread it was a bad thing...
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Old 05-02-2017, 12:25 AM   #10
Mini-Skoolie
 
Join Date: May 2017
Location: San Francisco
Posts: 16
Year: 1972
Engine: Cummins NH220
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Originally Posted by PNW_Steve View Post
Last time I had tires that showed good thread it was a bad thing...
What happened?

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