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Erroneous info in places


 
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55 50 Ron
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Joined: 17 Mar 2008
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PostPosted: Thu Nov 01, 2018 10:33 am    Post subject: Erroneous info in places Reply to specific post Reply with quote

I was looking for specs for a 1937 model 70 Oliver. Came across some bad info in that a poster (forgot where) said he has a model 70 and it's a big workhorse on his farm at 70 HP !! Really? Also someone else was looking for rod bearings for an engine overhaul and said he would need "oversize" as he had machined the crank - uh that would be "undersized" if I understand what a machined crank is.
 
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jmcarlic
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Joined: 22 Jul 2014
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Location: Central Iowa

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PostPosted: Thu Nov 01, 2018 10:58 am    Post subject: Re: Erroneous info in places Reply to specific post Reply with quote

70HP!!?? wow. That's a neat trick!

As for the ground crank bearing under/over debate - it's as old as the hills. Some say they should be called oversized because they're thicker than stock, some say undersized because the ID is smaller for a ground (smaller journal size) crankshaft.

I prefer the latter since it matches more closely with how you typically size other things such as piston rings. They're not 0.030" thicker, they're for a 0.030" bigger bore - it references the application, not the thickness, but whatever. it doesn't really matter as long as we all know we're talking about the same thing.
 
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Mike(NEOhio)
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Joined: 12 May 2013
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Location: Geauga County, Ohio

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PostPosted: Thu Nov 01, 2018 11:14 am    Post subject: Re: Erroneous info in places Reply to specific post Reply with quote

Common mistake you'll also see on this site. Let it go.
 
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IanC
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PostPosted: Thu Nov 01, 2018 12:05 pm    Post subject: Re: Erroneous info in places Reply to specific post Reply with quote

Very common swap was to put a Chevy 250 six replacing the Continental, could easily be 70 HP.
 
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rrlund
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Joined: 21 Dec 2006
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PostPosted: Thu Nov 01, 2018 2:17 pm    Post subject: Re: Erroneous info in places Reply to specific post Reply with quote

I'll bet my son could build you one that would dyno 70+ if you had enough money to spend. lol
 
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johns
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PostPosted: Thu Nov 01, 2018 5:33 pm    Post subject: Re: Erroneous info in places Reply to specific post Reply with quote

Hart Parr/Oliver chose to name the model 70 because that was the common octane fuel at the time that cars used.
 
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oliver90owner
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PostPosted: Fri Nov 02, 2018 2:32 am    Post subject: Re: Erroneous info in places Reply to specific post Reply with quote

Likely mostly ?arm chair? posters or from those that know nothing. It happens right across the internet. Often reporters/journalists have no idea of engineering or scientific principles and report what they think they hear, not what was actually stated. Reading is not a strong point for quite a proportion of the population. Think here - by definition ~50% of the population is below average!
 
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Mike(NEOhio)
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PostPosted: Sat Nov 03, 2018 6:17 am    Post subject: Re: Erroneous info in places Reply to specific post Reply with quote

Really?? 60, 80, 90, why weren't they all model 70? Or was there 60, 80 and 90 octane?
 
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rrlund
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PostPosted: Sat Nov 03, 2018 8:31 am    Post subject: Re: Erroneous info in places Reply to specific post Reply with quote

No,the 70 came first though and the rest were just a continuation of the series that the 70 started. He's right about the 70 octane fuel. Most,not all,but most tractors ran on kerosene at the time.
 
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coshoo
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PostPosted: Mon Nov 05, 2018 5:47 pm    Post subject: Re: Erroneous info in places Reply to specific post Reply with quote

Except in Lake Wobegon, "where all the women are strong, all the men are good looking, and all the children are above average".
 
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rrlund
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PostPosted: Tue Nov 06, 2018 11:55 am    Post subject: Re: Erroneous info in places Reply to specific post Reply with quote

I had a door mat that said that on it. lol
 
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gary66
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PostPosted: Sat Nov 17, 2018 1:46 pm    Post subject: Re: Erroneous info in places Reply to specific post Reply with quote

it's free info...and all educational
 
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