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1931 Hupmobile Coupe


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  #1  
Old 12-13-2017, 04:57:28 PM
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Marcel P Marcel P is offline
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Default 1931 Hupmobile Coupe

Hello

A good friend has this Hupmobile Coupe. It is very nicely restored but stood in a museum for many years. Over the coming weeks I will see if I can start the engine. I haven't inspected it yet and am sure I will have some questions! The serial # on the engine is S44272. Here are some pictures, any information is welcome.

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Marcel
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  #2  
Old 12-14-2017, 02:16:00 PM
Bud Tierney Bud Tierney is offline
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Default Re: 1931 Hupmobile Coupe

Interesting...
"Stood in.museum for many years..." (after restoration, I assume)...
But pic looks like private garage/shop building...
If so, how did car get from museum to garage/shop?? transported?? driven??
If driven, how long ago?? How long, in other words, has engine been dormant??
The internet, and these forums, are full of directions/suggestions re' starting/running dormant engines, many time-sensitive: generally, the longer the engine sat, the more detailed/careful you need to be to avoid possibly damaging gummed-up/corroded internals and/or externals, like dist, fan bearings, water pump,,,
I assume your friend has or will join the Hupp Club, whose members should know of any 1931 idiosyncrasies...
My apologies, of course, if your being unclear is due to being unfamiliar with some of the finer nuances of English, often called a difficult language...we all too often have trouble with it ourselves...
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Old 12-14-2017, 05:53:02 PM
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Default Re: 1931 Hupmobile Coupe

I am almost sure it was restored in the USA, and at the end of the nineties came to Holland and was in a museum there until a few weeks ago. So I thinks it did not run the last 20 years. It is in my garage at the moment, we got it here in a closed truck. Before even attempting to start I will carefully check the engine.

Regards
Marcel
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Old 05-01-2018, 01:15:41 PM
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Default Re: 1931 Hupmobile Coupe

Well it started yesterday! After having replaced the fuel pump and with a temporary tank it fired up right away and runs sweet. There was a bad contact in the starter but easy to sort out.

Marcel
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Old 05-01-2018, 02:54:17 PM
Bud Tierney Bud Tierney is offline
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Default Re: 1931 Hupmobile Coupe

Very nice!!
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Old 05-07-2018, 01:46:17 AM
Matt Montague Matt Montague is offline
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Default Re: 1931 Hupmobile Coupe

Here is picture of our 1931 model C. right after i pulled it from the museum/barn it was in.
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Old 05-07-2018, 10:28:02 PM
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Default Re: 1931 Hupmobile Coupe

So nice to see these cars come out of a museam so they can be driven and enjoyed. Way too many old cars are sitting idle, collecting dust.
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Old 04-20-2019, 12:39:06 PM
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Default Re: 1931 Hupmobile Coupe

We drove the Hupp some 600 miles over 3 days two weeks ago, what a nice car to drive! Almost no troubles except a flat tyre and the dynamo that gave up on the second day. Luckily the weather was good so no lights needed, the battery lasted long enough. I still have to look for the dynamo problem, but as it is driven by the distribution chain it will not be an easy fix I'm afraid. I am therefor looking to fit a 6V alternator above the dynamo and use a longer fan belt. Has anyone done this before, any hints or tips out there? I could not find the right oil filter, so made up two adapter washers for an easy to find filter.

All the best
Marcel
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Old 04-20-2019, 02:03:06 PM
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Default Re: 1931 Hupmobile Coupe

The generator should be very easy to fix. Those systems are super simple. A loose wire, a dirty contact, a sticky brush. There is no reason to not repair. And much easier than cobbling together something that doesn't belong. I HATE seeing modern stuff under the hood of antiques!
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Old 04-22-2019, 12:12:37 PM
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Default Re: 1931 Hupmobile Coupe

I will try to repair the dynamo, but even if an alternator will be added this will be done in a 100% reversible way. Will keep you all posted.

Thanks, Marcel
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Old 04-22-2019, 04:32:01 PM
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Default Re: 1931 Hupmobile Coupe

I don't know if a 31 Hup has an "Open" or "Closed" Driveshaft, but if it's "Open" you could mount an alternator underneath and run it off a pulley added to the driveshaft.

It wouldn't do anything when standing still, but would charge normally when driving in high gear where the driveshaft matches the engine speed.

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Old 04-22-2019, 05:28:47 PM
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Default Re: 1931 Hupmobile Coupe

http://clubs.hemmings.com/hupmobile/
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