What the diff. is between the motor in a 91 Standard Hatchback and the DX Hatch?
25

Asked by zachb2312 Feb 14, 2008 at 08:46 PM about the 1991 Honda Civic CRX 2 Dr STD Hatchback

Question type: General

Does anyone know what the diff. is between the motor in a 91 Standard Hatchback, and the DX Hatch. As I have found the DX comes with 22 hp more stock... what part(s) are diff. to give the extra 22 hp in the DX Hatch, any one know? e-mail me: zachb2312@hotmail.com

4 Answers
84,355

littlehorn answered 16 years ago

Most likely to get that kind of HP gain, it's probably a difference in either the heads, cam timing, or even just the computer programming used to control the engine functions.

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pyyrroo answered 16 years ago

There is a restricter plate in the in intake. If you swap intakes, the horsepower will be _nearly_ the same as they are both D15B1s they are pretty much the same. The cam is different as well, but it doesn't account for but a few horses, so I personally don't think it is worth the work digging that deep unless you plan on doing heavier mods.

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25

Len answered 16 years ago

hah! my DX has a ZC with 35,000 on it! that's obviously not stock though

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