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compression ratio 444-544

posted by  Gary L on  Wed Feb 16 05:24 CST 2011
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last visit: Wed Oct 22 10:26 CST 2014
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From the factory shop manuals, here are head thickness vs compression ratio numbers for a variety of B18 engines:

88.0 mm (3.465") = 8.7 - B18D
87.0 mm (3.425") = 9.5 - B18B early (type 1)
86.2 mm (3.394") = 10.0 - B18B late (types 2,3)

There are small inconsistencies across manuals, dependent on year of publication. The above numbers were taken from the B18B/D manual published 3/69.

Pretty good memory, Phil... we'll forgive the .004" error! :-)
--

Gary L - 142E ITB race car, 73 1800ES
BlueBrick Racing Website
YouTube Racing Videos






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New compression ratio [444-544]
posted by  cruzin  on Sun Feb 13 07:37 CST 2011 >


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