87 Integra vs 89 Integra

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Here is look at the mounting holes for the distributor and the cam angle sensor. They are in completely different places on the two heads.

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Here is a look at the 89 Integra's combustion chamber.

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Here is a look at the 87 Integra's combustion chamber.

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Here is a look at the chambers, side by side:

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Here is an 87 Integra piston:

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Here is an 89 Integra piston...note the substantially higher dome:

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I'm trying to use an 89 CRX Si (D16A6) distributor on the 89 Integra head:

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This may not work. None of the holes line up. The top hole is too low:

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