Re: [AMC-list] How much HP does an oil pump use

["Dan Ritzinger" <danritz@xxxxxxxxxxx>]

Just to further muddy the water... don't forget that one "electric" HP is 
equivalent to about 2.5 "gas" HP.

(For a discussion on the subject, see
http://talk.newagtalk.com/forums/thread-view.asp?tid=59555&mid=418600)

Dan

----- Original Message ----- 
From: "tom jennings" <tomj@xxxxxxx>
To: "AMC, Rambler, Nash, Jeep and family" <amc-list@xxxxxxxxxxxx>
Sent: Tuesday, June 23, 2009 12:51 PM
Subject: Re: [AMC-list] How much HP does an oil pump use


> I was going to propose something like that! Did you measure oil pressure
> with the 1hp drill going?
>
> It's not the same circumstances as a hot running motor of course but it 
> gets
> us within the ballpark I think. Hot oil is thinner, and the rotating 
> engine
> would uncover squirt holes, and I have no idea how oil passageways leading
> to rotating bearings behave.
>
> But if you could get say 10psi with a 1 hp drill, and as Mark points out,
> the oil pump is driven by a fat screwdriver, it can't be more than a few 
> hp.
>
>
> On Tue, Jun 23, 2009 at 07:11, Wayne E Lamothe <superglider@xxxxxxxx> 
> wrote:
>
> > OK, not sure if this is apples to apples but....  When I pre lubed my 401
> > the other night it took a 1hp drill to keep the pump going after prime.
> > The smaller drill stopped when prime was reached and it took all the
> > grunt of the 1hp elec drill to keep the oil going.  That was with 10-40
> > weight oil.
> >
> > Does that help?
> >
> > Wayne
> > Wayne & Lisa (Skeezix), Bolton Landing, NY
> > AMO#8454, http://www.superglider.thinkhost.com/
> > 69 Ambo coupe, 401, M12, 66 Ambo 990 Wagon, 327,PW,PB,PS,posi,AM/FM,AC
> > 2003 Harley FLHTCI, 2000 Jeep GC Limited 4.7
> > 2001 Cherokee, 2002 Caddy Seville Northstar V8
> >
> >
> >
> > On Tue, 23 Jun 2009 14:00:29 +0000 (UTC) Wrambler
> > <wrambler242@xxxxxxxxxxx> writes:
> > > Maybe easier to figure out what torque it takes to snap off the drive
> > > mechanism?
> > > Then you have an idea of how much the max horsepower loss could be?
> > >
> > > AMC drives the pump with a simple slotted pump.
> > > What does it really take to break that or wear it out quickly?
> > >
> > > I bet somewhere, someone knows the true answer!
> > > How hard would it be to drive a drysump pump with another motor and
> > > dyno the engine with and without the pump in play?
> > >
> > > Not something the average shop would bother with, but I bet it was
> > > done.
> > > GM moved to front crankhaft mounted pump in the 80s on the fwd
> > > engines.
> > > I bet they knew exactly how much HP they were talking about when
> > > they made the move, though maybe not...
> > >
> > > Mark Price
> > > Morgantown, WV 26508
> > > 1969 AMC Rambler, 4.0L, EFI, T-5
> > > 2004 Grand Cherokee Laredo, 4.7L, Quadratrac II
> > > "I realize that death is inevitable.
> > > I just don't want to be around when it happens!"
> > >
> > > ----- Original Message -----
> > > From: "Sandwich Maker" <adh@xxxxxxxxxxxxxxxxx>
> > > To: amc-list@xxxxxxxxxxxx
> > > Sent: Tuesday, June 23, 2009 9:42:55 AM GMT -05:00 US/Canada
> > > Eastern
> > > Subject: Re: [AMC-list] How much HP does an oil pump use
> > >
> > > " From: David Crooks <david.crooks@xxxxxxxxxxxx>
> > > "
> > > "
> > > "
> > > " But the basic question, how much power does an oil pump consume,
> > > is a
> > > " good one!  Probably more than you suspect, although I agree, it's
> > > not
> > > " the place to go looking for a little more ommph, unless you plan
> > > on a
> > > " rebuild after every drive (like a professional race car).
> > >
> > > even so, the balance between pump loss vs. friction due to poor
> > > oiling...
> > >
> > > iirc and fwiw nascar motors carry a few gallons.
> > >
> > ________________________________________________________________________
> > > Andrew Hay                                  the genius nature
> > > internet rambler                            is to see what all have
> > > seen
> > > adh@xxxxxxxxxxxxxxxxx                       and think what none
> > > thought
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>
> --
> All of your arguments are invalid.
> Enjoy your unstable system.
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