When you get the 95 engine, you will need to transfer the sensors from the
97 to it. Not a big deal. About the only difference is the crank angle
sensor.


Ken Bogart
-----------------------------------------------------
96 Montego Blue FFS Coldside (His)
97 Black & Tan (Hers)
90 Crystal White (sons)
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On Sun, Sep 5, 2010 at 12:51 PM, <[email protected]> wrote:

>  Keep in mind that a '97 car will be registered as a '97 car, while the
> engine would be a '95.
> The '97 specs are for OBDII not OBDI as with many '95 models, so emission
> inspections may become a problem if the full '97 equipment (like the crank
> angle sensor at the crank pulley) is not available and the plug under the
> dash isn't working.   What does your state require for emission
> inspections?
>
> Jerry aka LGO
>
>   In a message dated 9/5/2010 12:33:24 P.M. Eastern Daylight Time,
> [email protected] writes:
>
> Thanks for the info.
>
> At this point, I'm just going to get the '95 engine. I simply want to get
> the car onto the road for him with the minimal amount of fuss.
>
> Thanks again,
> Lloyd
>
> -----Original Message-----
> From: Ian McCloghrie [mailto:[email protected]]
> Sent: Sunday, September 05, 2010 12:20 AM
> To: Lloyd Broussard
> Cc: [email protected]
> Subject: Re: 99 10AE engine into a 97 Miata
>
>
> On Sep 4, 2010 "Lloyd Broussard" wrote:
> >  I know the '95 is plug and play, but what about the '99?  The car will
> be
> > bone stock when he gets it.  If he wants to do anything to it, it'll be
> > sometime down the road. Right now I'm just trying to get it running.
>
> I'm not an expert on this, but I'll take a stab at it:
>
> Swapping the ECU is a pain, you'll want to keep the 97 one.
>
> The 97 ECU doesn't control the VICS flaps in the intake manifold, so
> you'd either have to leave them fixed in one position or find some kind
> of RPM-based switch to control them.  You might have to do some wire
> splicing to get the various sensors hooked up -- not sure if all the
> connectors are the same or not.
>
> The 99 uses a returnless fuel system, and the fuel rails don't
> interchange, so you'd either need to find a way to put the 97 FPR onto
> the 99 rail (not sure if it fits in place of the 99's pulse damper or
> not), or go with an aftermarket rail.
>
> You'll want a 97 alternator, since the 99 one is controlled by the ECU
> and the 97 ECU doesn't do that.
>
> > Another data point is that I'll need to put a header onto it. Will a 99
> > header connect to the 97 cat? I was thinking a stock one from FM salvage,
> or
> > maybe a cheap one off of fleabay,
>
> I don't think the 99 header will bolt up to the 97 exhaust (at least,
> all the aftermarket companies sell different exhausts for the two
> cars, and presumably they wouldn't if they didn't have to).  A 97
> header would probably work, although you might need to be creative
> with the EGR pipe.
>
> You might also want to check the smog laws in your state regarding
> swapping motors between cars.  Neither of these swaps would be legal in
> California (although I doubt anyone would ever notice), dunno the laws
> in other states.
>
> --Ian
>
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