Dave -
14.7 at sea level, about 12 in Taos.
Clay L.
'67 Sprite + deux chats
At 03:56 PM 11/1/2001 -0700, frogeye wrote:
>11.5 x 17(or whatever atmospheric pressure is at your locale) =195.5 It does
>not compute. Check your gauge.
>
>Dave@Taos Garage Annex in Albuquerque
>'59 AH :{) '54 BN1
>
>----- Original Message -----
>From: "Larry & Sandi Miller" <millerls@ado13.com>
>To: <spridgets@autox.team.net>
>Sent: Thursday, November 01, 2001 3:16 PM
>Subject: How Much Compression Is Too Much?
>
>
> > Finally got around to doing a compression test on the 1275 Bugeye engine.
>I
> > used one of the rubber tipped gauges that you just press into the spark
>plug
> > hole and hold it there while you crank the engine. After two or three
> > revolutions I can't hold the gauge in the hole, it just blows out with a
> > loud pop. All four cylinders read around 250 lbs and might read higher if
>I
> > could hold the gauge in. Guess I will go down and buy one of the screw-in
> > types and try to get a better reading.
> >
> > It really puts out a puff of air while cranking with all plugs removed. It
> > is strong enough to move your hand when you hold it in front of the plug
> > hole.
> >
> > This seems awful high to me. The guy that built the engine (I purchased as
> > is) told me that the CR was 11.5-1.
> >
> > The engine is supposed to be 50 over with flat top pistons. It also has an
> > aluminum head. I have not had the engine apart.
> >
> > Any thoughts?
> >
> > Larry Miller
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