Miata Mailing List: October 1997, Message #56
sponsored by



     



From: 	"Opalak, Michael" <Michael.Opalak@ATLHQ.XCELLENET.com>

Subject: RE: 1.8l horsepower ratings

Date: 	Wed, 1 Oct 1997 08:10:42 +0000



	>>>The 1.8 liter engine as introduced with the '94 Miata was

rated at 128

> crank horsepower.  Then, beginning in '96 (I think), the same engine

> (same bore and stroke, I presume) was rated at 133 horsepower.  For

> the

> '98 (or is it the '99?), I now hear from a number of sources that it

> will be rated at 133 horsepower.

> <<<

> I've heard from a very reliable source that the '99 will have 140 hp.

> 

> >>>How is this consistent power increase achieved?  Do you think it's

> all

> ECU related?

> <<<

> The just from 128 to 133 was done with just an ECU change.

> 

> Michael Opalak

> '91 A Classic Red

> Peachtree Miata Club, Atlanta GA