Nacho wrote:
>
> I own an 88 civic Hatchback. It is the STD model apparently.

Be sure to use a condom.

> Because it's
> not the dx or any other. Now, it's got the D15B2. On the other hand, the DX,
> which makes 92 hp aprox, has the same engine. But I have read that there was
> a more economic version of this engine, which is the one I have. Is this
> true?

There were at least three different varieties of the 1.5 l engine that
year, the 92 hp (D15B2), a 70 hp (D15B1) and a super fuel efficient 62
hp (D15B6) variety that got 56 mpg in the CRX HF (which is quite a bit
better than what Civic Hybrid gets today). http://tinyurl.com/2drl9
confirms what you believed, but does not add much additional information
beyond that. You can scroll down to the bottom of
http://www.civic4g.com/specslow.htm to find the engine codes.

> If it's the same engine, how can it have different horsepower rating?
> The manual states the exactly the same bore x stroke specs, as well as the
> others, as all the other models (excluting the VTEC). I've found that my
> version of this engine has about 70 hp, but I don't know who to believe.
> Help would be appreciated, thanks.