Behind the seat - ABS EBCM - In the bay - Pump/ Valve distribution unit. On Thu, Sep 11, 2008 at 11:56 AM, Chuck Wills <[EMAIL PROTECTED]> wrote:
> Good call Bryan- > I don't know nothin' about ABS... so, yeah, it could be the J&S or PC. :) > Peter - see if you can find any identifying markings on that box. > -CW > > Bryan Wyatt wrote: > > Also, the extra box by the ECU has nothing to do with the ABS > box--that's in the engine bay right by the wiper motor (passenger side > corner near the firewall). Chuck...think it might be something for the J&S > or maybe an old Powercard? > > -Bryan > > --- On *Thu, 9/11/08, Chuck Wills <[EMAIL PROTECTED]><[EMAIL PROTECTED]> > * wrote: > > From: Chuck Wills <[EMAIL PROTECTED]> <[EMAIL PROTECTED]> > Subject: Re: Expensive lesson > To: "pm" <[EMAIL PROTECTED]> <[EMAIL PROTECTED]> > Cc: "Miata Power List" <[email protected]><[email protected]> > Date: Thursday, September 11, 2008, 11:28 AM > > There were many 1.8 kits sold that had *no fuel management to speak of* > - it relied on a resistor in the air temp sensor line, and sometimes > there was a pressure switch in the > dummy throttle body that would only > cut the resistor in during boost. This was a real crap fuel solution. > > You are correct - the BPL-9 is the ECU. > If you have a knock sensor, then most likely you have a J&S knock sensor > somewhere. I'm guessing that's what is plugged in to the CAS wiring. > The J&S used to be a little black box, and sometimes had an LED readout > for knock and AFR. > > My first JRSC install was set up this way - no fuel management and a J&S > to keep detonation at bay. It was the worst management scenario > possible - as the J&S does not pull timing until knock is happening. > (newer J&S are better than the old ones, and have some pre-knock retard > capability, btw). I'm not surprised that things melted down on you. > > If you confirm that you have a J&S, you might want to adjust the > sensitivity... or sell it and get a timing controller that will pull > timing based on > boost/rpm/temp. > > You really need a fuel solution though. An AFPR and better pump will > probably do the trick, and won't be terribly expensive. An electronic > solution like the FM Voodoo Box or Power Card from Moss will work as > well. If you are sticking with 6psi non-intercooled, you'll probably > get the best drivability out of the voodoo box. > > There are lots of different solutions and combinations of things you can > use. it kinda comes down to how much you want to screw with it and budget. > > -Chuck > > > pm wrote: > > > > > > On Thu, Sep 11, 2008 at 9:06 AM, Chuck Wills <[EMAIL PROTECTED] > > <[EMAIL PROTECTED]> <mailto:[EMAIL PROTECTED]> <[EMAIL PROTECTED]>> wrote: > > > > You really need to find out exactly what you've got for engine > > management. I have a feeling that is the root of the high engine > > mortality rate. > > > > > > sorry that my questions are rather > elementary but i am trying. the > > vavle which literally melted at 90K would indicate a lean issue at > > that time, right? see my answers inline below. > > > > > > The JRSC came with various fuel and ignition solutions over the > > years... and several of the solutions really sucked. > > > > > > what are my options at this point? > > > > > > > > Depending on the year of the car, the ECU is at the passenger's > > feet under the carpet (1.6 cars) or behind the passenger seat (1.8 > > cars through 97). > > > > > > i have a 95, 1.8L. there are 2 boxes behind the pass seat, a > > rectanglar one i believe is the abs brain, the other is more square > > and has "Denso" and "BPL 9" on it. i believe this is > the stock unit, > > right? > > > > > > Look for any additional "black boxes" wired in at the ECU, > or any > > > wire splices. Under the hood, look for an AFPR (looks like a > > flying saucer with 2 fuel lines running from it), > > > > > > > > the splices are at the cam position sensor at the grey/4 pin > > connector. there is also a black 4 pin connector which goes from the > > blower to the front engine wiring harness (where the PS wire is) and > > disappears there. you probably want me to trace that wire, right? > > > > the fuel lines go directly to the fuel rail. there is a round piece > > which i believe is the stock fuel pressure regulator at the fuel rail. > > > > there is a *knock sensor* on the right side near/on the motor > > mount/starter assembly > > > > > > > > or maybe a rectangular box that says "MSD". > > > > > > i know what these look like, dont have this. > > > > > > thanks, > > peter > > > > -- > > Medio > tutissmus ibis > > You will go most safely by the middle course > > _______________________________________________ > Miatapower mailing [EMAIL > PROTECTED]://list.miatapower.net/cgi-bin/mailman/listinfo/miatapower > > > ------------------------------ > _______________________________________________ > Miatapower mailing [EMAIL > PROTECTED]://list.miatapower.net/cgi-bin/mailman/listinfo/miatapower > > > _______________________________________________ > Miatapower mailing list > [email protected] > http://list.miatapower.net/cgi-bin/mailman/listinfo/miatapower > >
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