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M90 rebuild (rudy)

Discussion in 'Need for Speed!' started by jd4242, March 30, 2013.

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    1. jd4242

      jd4242 Elite Explorer

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      Well after replacing EVERY sensor AGAIN i think i found the issue. ........

      I had my O2 banks backwards. .apparently there is spose to be one grey and one white connector, dictating which bank the O2 controls...both of mine are white..this truck had 2 O2 both pre-cat and one per y-pipe originally...

      So basically one bank was needing fuel but the O2 was adding it to wrong set of injectors which mad the other O2 read even richer which in turn was taking fuel away from the original bank needing fuel causing it to be even more lean..or something like that..seems to have ran fine for last 45 minutes in the garage. .its pouring rain here so im gonna wait till tomorrow to test drive it,plus im a couple drinks deep!!!

      Say a prayer that was the issue! !
       
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    3. Centaurus5.0

      Centaurus5.0 Elite 5.0L Fiddler

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      Your doing it all wrong, you need to reverse that order.

      1.Say a prayer
      2.Have a couple more drinks
      3.Go reenact Tokyo Drift in the rain for 45 minutes.

      As a friend, I'm saying, you only live once.
       
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    4. 2000StreetRod

      2000StreetRod Staff Member Moderator Elite Explorer

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      That's a fairly common mistake but difficult to find with OBD-I. For OBD-II vehicles that are cross wired one bank will have a lean code and the other bank a rich code. My advice to find the problem easily is to disconnect one sensor and see if the O2 heater fault bank matches the one disconnected. I'm glad you found the problem!
       
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    5. Dono

      Dono V8 Limited turbo and retired SC 4.0 OHV Elite Explorer

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      Traction seems to be an issue. lol.
      Smart man to just relax and have another celebration drink.

      In our younger years we probably wouldn't have exercised good judgement.
       
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    6. jd4242

      jd4242 Elite Explorer

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      Haha my girl came out to garage(given its a detached and had main door cracked about a foot and windows open) to see me sitn on a stool,smoking cigarettes and drinking a mixed drink with the truck running...

      See goes """awwww shit you've given up and committing suicide aren't you???"""hahah i said YEEEPPPPP and told her to leave me be!!!
       
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    7. jd4242

      jd4242 Elite Explorer

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      Kinda the way i found out,i unplugged each one at a time and it made it rich or lean...then pulled plugs and could tell that side was not rich or lean..3 sets of plugs,4 O2s,1 coolant sensor, 1 tps and 1 crank sensor i decided to swap banks to see if it effected the opposite bank and sure as hell it did..

      O also unplugging the O2 does not throw a cel,it may throw a non cel code but other than a paper clip method i dont have a way of seeing them
       
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    8. Centaurus5.0

      Centaurus5.0 Elite 5.0L Fiddler

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    9. CDW6212R

      CDW6212R Hauls the mail. Elite Explorer

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      Good, great to hear. Sorry it was a lot of stress, stuff happens no matter what.

      Some drinks are good, but do it at home, you also only die once.:chug:o_O
       
    10. jd4242

      jd4242 Elite Explorer

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      Well it appears to be fixed,been running last couple days with no issues. .going to give it awile and try to head back to dyno for final tune
       
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    11. jd4242

      jd4242 Elite Explorer

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      Well didnt take long......

      Blew 2nd gear to pieces tonight ...was in 2nd then went WOT,once boost came in it began to spin and hope...then POWWWW!!! Sounded like a bomb went off..definitely the loudest one ive heard,we thought for sure it came through the floor...drove 3 miles in 3rd home and sounded like rocks bouncing around in the case..

      Its getting parked till i fix the aviator
       
    12. CDW6212R

      CDW6212R Hauls the mail. Elite Explorer

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      Sorry about that, take it easy and see what it is later.
       
    13. jd4242

      jd4242 Elite Explorer

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      Its destroyed now for sure..ive been talking to Astro about their A5 kit,it uses a different input shaft than i have..they do make the correct input shaft but is for the aussie's falcon t5 which is same trans as im using..BUT they haven't made any in over a year and hadnt plan on making any unless special ordered..at the time i couldnt afford it but after the aviator is running im going to have them make me one with their A5 straight cut kit... $$$$$$

      Gota get the avi motor pulled,rebuilt and back in first...
       
    14. CDW6212R

      CDW6212R Hauls the mail. Elite Explorer

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      Ouch, the projects like to eat too much. My work truck/DD needs a radiator, and I don't have time right now. Do what you can, fingers crossed here.
       
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    15. 4pointslow

      4pointslow Explorer Torture Tester Elite Explorer

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      Shows how much power that engine is making!
       
    16. jd4242

      jd4242 Elite Explorer

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      Well think this t5 was rated at like 300ish lbs of tq, i made like 450ish at like 3k
       
      Last edited: March 3, 2018
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    17. CDW6212R

      CDW6212R Hauls the mail. Elite Explorer

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      Yeah, that power level and the weight, maybe wheel hop, that high load did it in.
       
      Last edited: March 4, 2018
    18. Centaurus5.0

      Centaurus5.0 Elite 5.0L Fiddler

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      Sorry bro...

      If you can fit an astro in i'd agree that would be your best option. It would handle the power and you'd not have to dink around with trans tuning. You might not want straight gears though. Nice going down the track but kinda sucks when you want to cruise to the burger joint, or anywhere else. Using a clutch pedal is work. Needing to double clutch to get into gear is twice the work. And then there is the noise..

      I've know guys with stock T-5's that lasted many years behind 500hp supercharged 5.0's. I blew 2 up in my stocker. They really only blow out on high rpm missed shifts, mostly 3rd gear of coarse.

      An astro with their beefier heli-gears would be a great match, imo.

      What about the shifter location?
       
    19. jd4242

      jd4242 Elite Explorer

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      I run a 06 4.0 sohc t5 with the zpec tailshaft and gear set right now..its the traditional fox body shifter and location. ..

      I didnt miss a shift or anything like that,i was in 2nd and just punched it...the trans are rated in torque not hp..my hp and tq are not all the way up right now,my tuner has it pulling all timing past 3k and over 130* to save my motor,i was having problems going lean..he wanted me to fix the issue but be able to make a pull to make sure my issues was fixed before i came back...

      but i definitely was wayy over the limit for this trans at 3k.. i had my friend that is like 300 lbs plus a full tank and 2 5gallon jugs in the bed,we just went on base to fill up...he told me to hit it when i pulled out and was in 2nd..lol the extra weight plus the wheel hop probably did it...
       
    20. boominXplorer

      boominXplorer Elite Ranger Elite Explorer

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      I've got 2 M5s in the shop still, both HD versions. One from a 03 sport and one from an 02 4dr.
       
    21. jd4242

      jd4242 Elite Explorer

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      If i get desperate and just need the thing to move,i might throw one in it..but honestly im over this truck so its probably gonna sit for awile
       
    22. boominXplorer

      boominXplorer Elite Ranger Elite Explorer

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      I'm pretty sure I have the clutches and flywheels from the trucks they came out if too so it would be a direct swap. I'd trade barter ect..........

      I'd like to see you try the 4dr m5, it looks way more stout than the regular hd m5

      20170901_163652.jpg
       
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    23. CDW6212R

      CDW6212R Hauls the mail. Elite Explorer

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      That sounds promising. You don't want to have to go with much more expensive, high end aftermarket transmissions.
       
    24. boominXplorer

      boominXplorer Elite Ranger Elite Explorer

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      Well finding a 4dr 3rd gen explorer with a 5 speed is almost as hard as coming up with the money to buy a bunch of performance parts. It's a 2002 only thing and not many were made so finding replacement parts other than your normal synchros will be fun. You never know, it was actually ment to be put in a heavy suv with 245hp stock so it might last in a juiced ranger that's 1000lbs lighter.
       

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