Is the JWT ECU going to pay for itself???
03-25-2003, 09:56 PM
#1
Not DAVEB the parts guy
Thread Starter
Join Date: Aug 2000
Posts: 8,555
Is the JWT ECU going to pay for itself???
I filled up my gas tank the day I recieved my JWT ECU (last Wednesday). And you know, I've been driving my car a little hard lately, taking it to 7000rpm on occasion, winding it to 6000 often, etc. Needless to say, I've been flogging my car a lot more than usual. I filled up my tank today and calculated my fuel mileage. It came out to be a whopping 24.2mpg!!!! Before the ECU, I was only getting 21-22mpg with much less flogging and the same driving cycle (about 80% city). The temps really haven't changed much and the I use the same gas station. I'd imagine my MPG will go up even higher now that I won't be driving as hard.
Any other JWT ECU owners note this?
Dave
Any other JWT ECU owners note this?
Dave
03-25-2003, 10:38 PM
#6
Not DAVEB the parts guy
Thread Starter
Join Date: Aug 2000
Posts: 8,555
You can run a 96 ECU in the 97 and apparantly the same goes for the 98 seeing that Mardigras is running a 96 G-Force ECU in his 98 and Neal was running a stock 98 auto ECU in his 96 5 speed before he got his JWT ECU (96 vintage).
Dave
Dave
03-25-2003, 10:39 PM
#7
Originally posted by Dave B
You can run a 96 ECU in the 97 and apparantly the same goes for the 98 seeing that Mardigras is running a 96 G-Force ECU in his 98 and Neal was running a stock 98 auto ECU in his 96 5 speed before he got his JWT ECU (96 vintage).
Dave
You can run a 96 ECU in the 97 and apparantly the same goes for the 98 seeing that Mardigras is running a 96 G-Force ECU in his 98 and Neal was running a stock 98 auto ECU in his 96 5 speed before he got his JWT ECU (96 vintage).
Dave
So which is a 96 ECU, which is a 95, which is a 97??
03-25-2003, 10:51 PM
#8
Not DAVEB the parts guy
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Join Date: Aug 2000
Posts: 8,555
Originally posted by iansw
Well, looking on car-part.com, 1997 ECU's are labeled "10/96, 11/96, 12/96" for dates, and 96 ECU's are labeled "10/95"
So which is a 96 ECU, which is a 95, which is a 97??
Well, looking on car-part.com, 1997 ECU's are labeled "10/96, 11/96, 12/96" for dates, and 96 ECU's are labeled "10/95"
So which is a 96 ECU, which is a 95, which is a 97??
Dave
03-25-2003, 10:53 PM
#9
Originally posted by Dave B
The 95 ECUs mostly have XX/94 labels seeing that the 95 was available in September of 94. The ECU I got was a "from 11/95" ECU due to the late build of my 96 SE (March of 96). You need to find out when your car was built (look in the drivers side door jam) and from there you can determine which version you need. BTW, it will be a XX/96 model.
Dave
The 95 ECUs mostly have XX/94 labels seeing that the 95 was available in September of 94. The ECU I got was a "from 11/95" ECU due to the late build of my 96 SE (March of 96). You need to find out when your car was built (look in the drivers side door jam) and from there you can determine which version you need. BTW, it will be a XX/96 model.
Dave
03-25-2003, 11:08 PM
#12
Not DAVEB the parts guy
Thread Starter
Join Date: Aug 2000
Posts: 8,555
Originally posted by Jr'sMaxima
So explain to me why someone couldnt find a ECU from another 99, like in a wreck....take it out and if it works still send it in to JWT and have the reprogram it?? WHy wouldnt that work???
So explain to me why someone couldnt find a ECU from another 99, like in a wreck....take it out and if it works still send it in to JWT and have the reprogram it?? WHy wouldnt that work???
Dave
03-25-2003, 11:10 PM
#13
Senior Member
Join Date: Sep 2000
Posts: 1,158
Ah I see I see.
So theoretically if one could find a 99 ecu and send it in to them they could start working on cracking the code and then being able to do the 99's????
Well, someone with cash start it up.....my suspension just killed me
So theoretically if one could find a 99 ecu and send it in to them they could start working on cracking the code and then being able to do the 99's????
Well, someone with cash start it up.....my suspension just killed me
03-26-2003, 03:54 AM
#14
Originally posted by Jr'sMaxima
Ah I see I see.
So theoretically if one could find a 99 ecu and send it in to them they could start working on cracking the code and then being able to do the 99's????
Well, someone with cash start it up.....my suspension just killed me
Ah I see I see.
So theoretically if one could find a 99 ecu and send it in to them they could start working on cracking the code and then being able to do the 99's????
Well, someone with cash start it up.....my suspension just killed me
03-26-2003, 09:29 AM
#17
Originally posted by Dave B
So that means you need the "from 12/96" ecu. Now that wasn't terribly hard
Dave
So that means you need the "from 12/96" ecu. Now that wasn't terribly hard
Dave
Wouldn't work for the JWT applicaiton - I called JWT this morning - I need 11/95 at the latest, but will have to live with a CEL.
03-26-2003, 09:51 AM
#18
Crap, now I have to look at the date of the 96 ECU I have in my closet. BAH!!
Originally posted by iansw
Actually, the 12/96 ECU isn't programmable.
Wouldn't work for the JWT applicaiton - I called JWT this morning - I need 11/95 at the latest, but will have to live with a CEL.
Actually, the 12/96 ECU isn't programmable.
Wouldn't work for the JWT applicaiton - I called JWT this morning - I need 11/95 at the latest, but will have to live with a CEL.
03-26-2003, 11:17 AM
#21
Handsome
Join Date: Sep 2002
Posts: 2,074
I don't know sounds like a good excuse to get one though and I have a 96
When does the rev limiter kick in on the stock ECU? I was taking my car to 7,000 rpm last weekend against a 2k2, is their anyway to tell the difference between a reprogramed ECU and a stock one?
When does the rev limiter kick in on the stock ECU? I was taking my car to 7,000 rpm last weekend against a 2k2, is their anyway to tell the difference between a reprogramed ECU and a stock one?
03-26-2003, 04:01 PM
#22
Originally posted by Street Reeper
I don't know sounds like a good excuse to get one though and I have a 96
When does the rev limiter kick in on the stock ECU? I was taking my car to 7,000 rpm last weekend against a 2k2, is their anyway to tell the difference between a reprogramed ECU and a stock one?
I don't know sounds like a good excuse to get one though and I have a 96
When does the rev limiter kick in on the stock ECU? I was taking my car to 7,000 rpm last weekend against a 2k2, is their anyway to tell the difference between a reprogramed ECU and a stock one?
if you have a 95 or AT naturally it would state that instead of 96 MT. --Paul
03-26-2003, 09:20 PM
#25
Well, the ECU I got is supposed to be off a 96 maxima. So I guess I'll be okay. =) Thanks for the info. I went nuts for about 5 minutes searching for the info on the ECU.
Originally posted by Dave B
It doesn't. You have to go by your car's build date.
Dave
It doesn't. You have to go by your car's build date.
Dave
03-28-2003, 05:46 AM
#26
Need an open '98/99 ECU
Originally posted by Jr'sMaxima
Ah I see I see.
So theoretically if one could find a 99 ecu and send it in to them they could start working on cracking the code and then being able to do the 99's????
Well, someone with cash start it up.....my suspension just killed me
Ah I see I see.
So theoretically if one could find a 99 ecu and send it in to them they could start working on cracking the code and then being able to do the 99's????
Well, someone with cash start it up.....my suspension just killed me
03-28-2003, 09:43 AM
#27
Re: Need an open '98/99 ECU
Originally posted by BEJAY1
I already have the ECU pinouts for both '97 and '98/99. Anybody have a '98/99 box they can take a picture of inside? I need a good shot of the board especially the chip label.
I already have the ECU pinouts for both '97 and '98/99. Anybody have a '98/99 box they can take a picture of inside? I need a good shot of the board especially the chip label.
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