mileage xs chip needed - JeepForum.com

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post #1 of 19 Old 06-05-2013, 08:39 AM Thread Starter
anthonys
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mileage xs chip needed

I need a mileage x chip for a 1996 grandcherokee 2wd il6
If its a custom burn give me full advance or a little over for towing
I'll throw in some octane booster

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post #2 of 19 Old 06-05-2013, 09:07 AM
jmonty0523
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OBD II, ('96 and up) ZJ's have a "self learning" computer. Power programers, tunes, and other devices that modify the stock settings on how the engine runs will work for a very short time, but the the computer will learn around it and go back to factory spec. Any gains you had, will be gone. Also timing can not be adjusted in any way. Timing is read in real-time from cam position sensor and crank position sensors.

Sorry to be the one to give you the bad news, but theres no easy way to get power out of a OBD II 4.0 inline 6 without bolt-on upgrades.
If you want to, look into the 703 injector swap, '99+ intake manifold swap, and try to get the exhaust to flow better. From there, it gets complicated, but you could upgrade the head and cam or port polish the heads to get better flow, but all that is a bit of work that a lot of people will not attempt

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post #3 of 19 Old 06-05-2013, 09:27 AM Thread Starter
anthonys
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If its custom advance after half throttle
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post #4 of 19 Old 06-05-2013, 09:41 AM
PolkaPower
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I know that SCT offers tunes for the v8's but I don't know about the 4.0. They totally reprogram the computer, it's not a piggy back tuner.
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post #5 of 19 Old 06-05-2013, 10:04 AM
Jeeples
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Quote:
Originally Posted by jmonty0523 View Post
OBD II, ('96 and up) ZJ's have a "self learning" computer. Power programers, tunes, and other devices that modify the stock settings on how the engine runs will work for a very short time, but the the computer will learn around it and go back to factory spec. Any gains you had, will be gone. Also timing can not be adjusted in any way. Timing is read in real-time from cam position sensor and crank position sensors.

Sorry to be the one to give you the bad news, but theres no easy way to get power out of a OBD II 4.0 inline 6 without bolt-on upgrades.
If you want to, look into the 703 injector swap, '99+ intake manifold swap, and try to get the exhaust to flow better. From there, it gets complicated, but you could upgrade the head and cam or port polish the heads to get better flow, but all that is a bit of work that a lot of people will not attempt
The piggyback tuners, such as the Jet module, will eventually be negated by the ECU adjusting parameters back to factory.

However, flash tuners such as the Superchip handheld completely re-write the factory tune and prevents the ECU from adjusting down to factory parameters. These tuners will make permanent changes to fuel and timing tables that can help increase power.

Also, OP, no offense, but your posts make little to no sense.

His: '00 WJ 4.7 Limited- Some stuff

Hers: '03 WJ 4.7 Laredo- Some more stuff

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Originally Posted by wjjeep19 View Post
It is what Jeeples has *PARTIALLY* stated.
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post #6 of 19 Old 06-09-2013, 11:49 AM Thread Starter
anthonys
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FU give me a chip
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post #7 of 19 Old 06-09-2013, 12:27 PM
dnuccio
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Quote:
Originally Posted by anthonys View Post
FU give me a chip

Reliability is relative
R.I.P. Ratmonkey
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post #8 of 19 Old 06-10-2013, 01:08 AM Thread Starter
anthonys
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Just kidding, l know there is a chip for it
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post #9 of 19 Old 06-10-2013, 08:44 AM
PolkaPower
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:d
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post #10 of 19 Old 06-10-2013, 07:47 PM Thread Starter
anthonys
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I need a reprogramed computer then 300?
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post #11 of 19 Old 06-12-2013, 05:12 PM Thread Starter
anthonys
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Anybody got anything
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post #12 of 19 Old 06-15-2013, 12:40 AM Thread Starter
anthonys
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Super chips doesn't have one
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post #13 of 19 Old 06-15-2013, 12:42 AM Thread Starter
anthonys
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What the hell l got a 350 +
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post #14 of 19 Old 06-16-2013, 07:58 AM Thread Starter
anthonys
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****en thing is burning gas what screw can l turn to slow down the cycle
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post #15 of 19 Old 06-16-2013, 08:09 AM Thread Starter
anthonys
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