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Re: Compression Numbers

To: "mgs" <mgs@autox.team.net>
Subject: Re: Compression Numbers
From: "Michael Lupynec" <mlupynec@globalserve.net>
Date: Mon, 8 May 2000 15:12:20 -0400
Who knows? My computer converter program says one bar is 14.5 psi
and one atmosphere is 14.7

Mike L.
60A,67E,59Bug


----- Original Message -----
From: John J. Black <transmancat@bbnow.net>
To: Dave Wood <djw69@idt.net>; MGB <mgs@autox.team.net>
Sent: May 8, 2000 3:57 PM
Subject: RE: Compression Numbers


> Hi Guys
> 1 bar = 14.7 pounds
> if you want to make a whole lot of money get the inlet manifold
pressure to
> read a negative pressure or vacuum! <grin>
> Regards
> John J Black
> Waterloo Drivetrain Systems
> http://www.waterloo-dtr.com
>
> -----Original Message-----
> From: owner-mgs@autox.team.net
[mailto:owner-mgs@autox.team.net]On
> Behalf Of Dave Wood
> Sent: Monday, May 08, 2000 10:59 AM
> To: MGB
> Subject: Re: Compression Numbers
>
>
> Michael,
>
> Now I know how much air to put in my soccer balls (footballs to
you) at .7
> to .9 BAR.  Equates to 10 to 13 psi.  But I still don't know
what type of
> measurement a BAR represents.  Obviously not the same as an
atmosphere.
> It's been over 30 years since I went to college so I've had a
few senior
> moments since then.  The air in my MG tires didn't need filling
while I
> visited Canada on my honeymoon in 1972 so I don't recall what
air pressure
> measurement you use.  Please don't tell me that Pascal had
anything to do
> with it.
>
> Dave 72 B
> -----Original Message-----
> From: Michael Lupynec <mlupynec@globalserve.net>
> To: mgs <mgs@autox.team.net>
> Date: Monday, May 08, 2000 10:31 AM
> Subject: Re: Compression Numbers
>
>
> >160 psi equals
> >
> >10.88 atmospheres
> >or 11.03 bars
> >or 325 "Hg
> >or 8274 mm Hg (of course better known as Tors) or 1103 Kilo
> >Pascals.
> >
> >Any guesses which of the above we have on our tire filling
> >stations up here in Canada? And don't even dream that its PSI.
> >
> >Mike L.
> >60A,67E,59Bug
> >
> >----- Original Message -----
> >From: Dave Wood <djw69@idt.net>
> >To: MGB <mgs@autox.team.net>
> >Sent: May 8, 2000 11:52 AM
> >Subject: Re: Compression Numbers
> >
> >
> >> Hans,
> >>
> >> 160 psi = 11.25 kg/sq. cm
> >>
> >> Don't remember conversion for atmospheres
> >>
> >> Dave
> >> -----Original Message-----
> >> From: Duinhoven_Hans@emc.com <Duinhoven_Hans@emc.com>
> >> To: Lawrie@britcars.com <Lawrie@britcars.com>;
> >Duinhoven_Hans@emc.com
> >> <Duinhoven_Hans@emc.com>; kcmgb@kc.rr.com <kcmgb@kc.rr.com>
> >> Cc: mgs@autox.team.net <mgs@autox.team.net>
> >> Date: Monday, May 08, 2000 7:39 AM
> >> Subject: RE: Compression Numbers
> >>
> >>
> >> >Hi Lawry,
> >> >
> >> >I think it's KG per square centimeter or A(tmospheres).
> >> >
> >> >Cheers,
> >> >
> >> >Hans
> >> >
> >> >-----Original Message-----
> >> >From: Lawrie Alexander [mailto:Lawrie@britcars.com]
> >> >Sent: maandag 8 mei 2000 16:22
> >> >To: Duinhoven_Hans@emc.com; kcmgb@kc.rr.com
> >> >Cc: mgs@autox.team.net
> >> >Subject: Re: Compression Numbers
> >> >
> >> >
> >> >Hans,
> >> >
> >> >My reference books show that 18GK engines came originally
with
> >8.75:1
> >> >compression ratio so they should have had a cylinder
cranking
> >compression
> >> >around 160 p.s.i.
> >> >
> >> >As to a conversion to European figures, being a
> >dyed-in-the-wool
> >> traditional
> >> >Englishman, with all our inbred prejudices and desires to
> >retain our
> >> >national individuality, I'm afraid I do not know what your
> >pressure gauges
> >> >would use. Kilowatts per Fortnight? Liters per Microcosm?
Grams
> >per
> >> Hectare?
> >> >{G}
> >> >
> >> >Lawrie
> >> >
> >> >-----Original Message-----
> >> >From: Duinhoven_Hans@emc.com <Duinhoven_Hans@emc.com>
> >> >To: Lawrie@britcars.com <Lawrie@britcars.com>;
kcmgb@kc.rr.com
> >> ><kcmgb@kc.rr.com>
> >> >Cc: mgs@autox.team.net <mgs@autox.team.net>
> >> >Date: Sunday, May 07, 2000 11:08 PM
> >> >Subject: RE: Compression Numbers
> >> >
> >> >
> >> >>How about 18GK?
> >> >>I there a coversion ratio to continental European figures?
> >> >>
> >> >>Cheers,
> >> >>
> >> >>Hans
> >> >>
> >> >>-----Original Message-----
> >> >>From: British Sportscar Center [mailto:Lawrie@britcars.com]
> >> >>Sent: maandag 8 mei 2000 0:28
> >> >>To: kcmgb@kc.rr.com
> >> >>Cc: mgs@autox.team.net
> >> >>Subject: Re: Compression Numbers
> >> >>
> >> >>
> >> >>For the low-compression, 18V engines 135 p.s.i. is a good
> >number.
> >> >>
> >> >>Lawrie
> >> >>British Sportscar Center
> >> >>
> >> >>----- Original Message -----
> >> >>From: Bill Schooler <schooler@erols.com>
> >> >>To: kcmgb <kcmgb@kc.rr.com>
> >> >>Cc: <mgs@autox.team.net>
> >> >>Sent: Sunday, May 07, 2000 3:20 PM
> >> >>Subject: Re: Compression Numbers
> >> >>
> >> >>
> >> >>> The Workshop Manual gives the figure - it's 160 psi.
That's
> >for an
> >> >>> 18GD, GG, GF and GH engine, high compression version (8.8
to
> >1).
> >> >>>
> >> >>> Bill
> >> >>>
> >> >>> kcmgb wrote:
> >> >>> >
> >> >>> > What is a good compression reading for each cylinder on
a
> >fresh,
> >> strong
> >> >>,
> >> >>> > good MGB 1800 5 main motor? and what was it NEW from
the
> >factory? I
> >> >have
> >> >>> > looked on the net and tryed to find this out in books
but
> >have come up
> >> >>with
> >> >>> > zip. Can anyone help?
> >> >>>
> >> >>
> >> >
> >>
> >>
> >
> >
> >
>
>



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