RE: Compression data

["Ev-Arch1" <mdg36@domain.elided>]

RALPH, were these readings taken in Houston [nearly sea level] or at 14,000
feet?
Will the readings vary at different altitudes? Please submit treatise and
mathematical formulae to substantiate your answer. Thanks, Ev

-----Original Message-----
From: owner-alfa@domain.elided [mailto:owner-alfa@domain.elided]On Behalf Of
Ralph Moorhouse
Sent: Monday, November 18, 2002 11:24 AM
To: Alfa Digest Post
Subject: Compression data


I'd appreciate thoughts on the following compression test data for a V-6
engine;


#1 cyl.     125/186 ;       130/212
#2  cyl    135/186;        140/217
#3  cyl   125/177;        140/205
#4  cyl   125/173;        140/200
#5  cyl    135/186;        140/208
#6  cyl    130/191;        150/216

Test conditions;
Engine 'hot'; throttle fully open;
First set of numbers for 'dry' engine (1st number is initial reading; 2nd
is reading after about 6 revolutions).
Second set of number after addition of light oil,

Thanks

Ralph
Houston, TX
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