MPG (was Re: [Shotimes] Fuel Pressure Regulator.)

[Bruce Malachuk]

I had loads of problems with getting my LPM to work till I got a X2J with an
Intel chip. Now I'm loving it, and I'm putting my 80mm MAF in tonight since
it isn't raining

I think that the LPM might be picky about which motorola ones they will or
won't work on, but it seems that they work fine on the Intel ones. At least
in my case it did.

Bruce
94 Opal Frost MTX

----- Original Message -----
From: "Justin Schick" <jschick@aafp.org>
To: <shotimes@autox.team.net>
Sent: Tuesday, May 13, 2003 4:48 PM
Subject: Fw: MPG (was Re: [Shotimes] Fuel Pressure Regulator.)


> What archives?!? =)
>
> I had non-stop problems with my Ted B. LPM. Eventually ditched it in
> favor of getting my 80mm Ford MAF recalibrated. It runs good now, but
> recently I caught a thread about different chips (Motorola vs. Intel)
> used in X2J PCMs. Supposedly, LPMs only like the Intel chips. Would have
> been nice to know that before the multiple re-burns...
>
> I have a spare X2J that I cracked open and verified has the Intel chip.
> My original one has the mounting screw thingy stripped out, so it's not
> gonna come out easily. Once I have nothing better to do I hope to swap
> PCMs and see if my LPM (now set up for a stock MAF, so it should work
> with my recalibrated 80mm just fine) is less ping happy.
>
> Justin
> '92 SHO in KC MO, 190k and counting
> SHOTimes list info: http://www.shotimes.com/SHO1.html
>
>
> >>> "Carl Prochilo" <gr8sho@prochilo.myserver.org> 05/13/03 03:32PM
> >>>
> John,  I've been thinking about putting a topic like this too (gas
> mileage).
> My car is a 92 with similar mods, the one exception being my MAF is a
> 77mm
> Pro-M with a SS can. I've cleaned the filaments in the MAF using
> electrical
> contact cleaner and replaced the O2 sensors.  Still my sense is that
> with
> the chip installed, the computer is dumping more fuel into the engine
> than
> it should.  As a result I am seeing poor fuel economy and I smell fuel
> after
> I've driven the car.  The SHO runs great otherwise and pulls like heck
> in
> the sweet spot.  I've noticed that I can get close to 400 miles on a
> tankful
> of gas without the chip and barely 300 with the chip.  I've already
> sent the
> chip back once to re-flash it.
> I drive in a very hot climate, South Florida.  Program is for an X2J.
> Ted
> has offered to modify the programming again, but I am waiting a little
> longer to
> complete all the measurements.
>
> The reason I was thinking of posting was to find out from other owners
> with
> similar setups what type of fuel economy they are seeing, knowing that
> this
> is going to be variable due to many items, not the least withstanding
> is
> driving habits.  John, you may not have the luxury of running your car
> without a chip due to the MAF, but if that isn't a problem, you can
> also
> experiment with this to see if it makes a difference.
>
> Carl P.
> 92 Red
>
> PS.  Please excuse if this has been discussed ad nauseum before.  If
> that is
> the case, I will go ahead and search the archives.
> _______________________________________________
> Shotimes mailing list
> Shotimes@autox.team.net
> http://www.team.net/mailman/listinfo/shotimes