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9.1:1 compression in which 1989 240's?

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9.1:1 compression in which 1989 240's?

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Old 04-25-2006, 02:07 PM
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9.1:1 compression in which 1989 240's?

I've heard rumors that some of the early 1989 240's had a 9.1:1 compression rather than the 8.6:1 found in later cars of the same type. My car was made in December of '88 but how do I know whether it has the 8.6:1 or the 9.1:1?
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Old 04-25-2006, 05:43 PM
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its 9.1:1

all '89 Ka24e engines had a 9.1:1 ratio. Mine was made in Dec. '88 too. woot!


i know nothing about what compression means, but it is 9.1:1 .. lol.
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Old 04-25-2006, 09:08 PM
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compression ratio is simply the ratio of the distance between the top of the piston and the top of the block deck at BDC and TDC.
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Old 04-26-2006, 02:21 AM
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yeah, its the volume the piston squeezes the air/fuelr into. like 9.1 parts crammed into 1 volumetric area
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