Differences between USDM h22 head and type-S head?

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08-23-2005, 04:17 PM

bad-monkey

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Differences between USDM h22 head and type-S head?

Aside from the valvetrain?

aka, did honda do a factory PnP job on the type S head? any other differences?

thanks.

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08-23-2005, 04:27 PM

BB6racer

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as far as i know, just the valve angle that was different. i don't hink honda did any pnp on any motors except for the type-r and nsx motors.

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08-23-2005, 07:25 PM

AndyD

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Re: Differences between USDM h22 head and type-S head? (bad-monkey)

Yes, it is ported and polished.

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08-24-2005, 05:08 AM

PirateMcFred

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Re: Differences between USDM h22 head and type-S head? (bad-monkey)

ITR sized TB, slightly larger diameter header tubing, different retainers and springs, different cams. Finer grain casting for smoother port surface finish.

Pirate

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