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  #766  
Old April 11th, 2018, 12:02
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Re: Yet another... Build thread for an xj on 40s and one tons in norcal

That’s great Jon . Will you be bringing the red rig to the meet and greet tomorrow? I would love to see it.
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  #767  
Old April 11th, 2018, 13:21
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Re: Yet another... Build thread for an xj on 40s and one tons in norcal

Yep I plan to bring it tomorrow .

It still seems to have a little something going on with it, not 100% sure. I was driving on a hill and it started to lag a bit. Could have been that the trans shifted too early though
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  #768  
Old April 11th, 2018, 16:01
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Re: Yet another... Build thread for an xj on 40s and one tons in norcal

Changing plugs out to NGK BKR7E according to my tuner these are the plugs to run. It also looks like in my data log from todays drive that my TPS has a dead spot possibly or a bad connection, reads randomly .5% open, when idle alone is 16.5%, so something is not right there. So I ordered a new TPS and pigtail.
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As soon as I crest the top i'ma turn driver and floor it!

1998 4.6 stroker , aw4 XJ on 60/14b , 5.38s, grizzly/detroit, cage, 40s, psc big bore box , assist, 3 link,transgo aw4 reprogram
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  #769  
Old April 16th, 2018, 22:07
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Re: Yet another... Build thread for an xj on 40s and one tons in norcal

We are narrowing things down

(thanks for the tail pipe reading Cristoph aka clydefrog) and also thanks to the input and analysis from Spencer

Dizzy is indexed good amount over stock but not too far I dont think.

New Mopar : CPS, TPS, MAP, IAT, and Coolant sensor.
New NGK: Coil, o2, plugs



New wideband is on order(again, third wideband, whole new brand this time) , and we are suspecting possible bad wideband and/or bad ECU at this point since the wideband is reading on the leaner side and the tail pipe and motor oil are reading crazy rich. Or possible bad wiring somewhere.

Coolant temps in my data logs seem to be reading low (like reading 70* when the temp gauge is 170* and the rig is obviously warmed up) which is weird and could be part of the problem I suppose.
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As soon as I crest the top i'ma turn driver and floor it!

1998 4.6 stroker , aw4 XJ on 60/14b , 5.38s, grizzly/detroit, cage, 40s, psc big bore box , assist, 3 link,transgo aw4 reprogram

Last edited by blondejoncherokee; April 17th, 2018 at 11:28.
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  #770  
Old April 17th, 2018, 11:28
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Yet another... Build thread for an xj on 40s and one tons in norcal




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As soon as I crest the top i'ma turn driver and floor it!

1998 4.6 stroker , aw4 XJ on 60/14b , 5.38s, grizzly/detroit, cage, 40s, psc big bore box , assist, 3 link,transgo aw4 reprogram
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  #771  
Old April 17th, 2018, 11:29
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Re: Yet another... Build thread for an xj on 40s and one tons in norcal

talking with spencer, it looks like the tail pipe reading is on point with the wideband now, it looks like a 13% co2% is on par with 14.7 A/F ratio. SO it seems like its ok so far.
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As soon as I crest the top i'ma turn driver and floor it!

1998 4.6 stroker , aw4 XJ on 60/14b , 5.38s, grizzly/detroit, cage, 40s, psc big bore box , assist, 3 link,transgo aw4 reprogram
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  #772  
Old April 17th, 2018, 22:22
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Re: Yet another... Build thread for an xj on 40s and one tons in norcal

Reading 70 degrees and not 170 degrees could and maybe be a big issue...
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  #773  
Old April 17th, 2018, 22:51
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Re: Yet another... Build thread for an xj on 40s and one tons in norcal

Quote:
Originally Posted by twinhauler View Post
Reading 70 degrees and not 170 degrees could and maybe be a big issue...
Yeah . I need to make sure thats maybe like celsius or maybe just the livefeed being off
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As soon as I crest the top i'ma turn driver and floor it!

1998 4.6 stroker , aw4 XJ on 60/14b , 5.38s, grizzly/detroit, cage, 40s, psc big bore box , assist, 3 link,transgo aw4 reprogram
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