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  1. K

    96 Tahoe, Need 12 volts when cranking

    I went ahead and put a MSD HEI distributor in and with EFI not controlling timing and its running 100 % better. Thanks again.
  2. K

    96 Tahoe, Need 12 volts when cranking

    Thank you again for your help, I appreciate it.
  3. K

    96 Tahoe, Need 12 volts when cranking

    I double checked and grounds are good. The relay sounds like a good idea, but don't know how to wire it. Would the relay go between the control box switch on wire and the on position of the key? I think I can figure it out. Thank you very much Doubeleive for your help.
  4. K

    96 Tahoe, Need 12 volts when cranking

    Hi, In 2019 I put a 383 motor in a 96 Tahoe 4X4. It has the MSD Atomic EFI fuel injection, MSD 6AL ignition controller, MSD Blaster 2 coil, MSD Atomic TPS controller, and the trans is controlled by a US Shift Quick 4 controller. To start the truck I turn the key to the on position, then I have a...
  5. K

    1st Tahoe/ 1st Build. 2013 PPV, Machined/ Blueprinted Ls 346 c.i.

    You wont be able to boost or nitrous with thos pistons safely.
  6. K

    96 Tahoe Transfercase

    Yes, the MSD transmission controller has a hand held to view data, and also the MSD fuel injection system has a hand held, and they both read the same RPM and the tach. Thanks for your help.
  7. K

    96 Tahoe Transfercase

    Yes positive in 4th. Yes I posted before and got it out of 4wd low and it made a big difference. But yes its in 4th, I feel it shift plus the trans controller LCD screen shows it in 4th. Was wondering if it could be in the transmission gearing? It had a 4L60E and I put in a 4L65E? Thank you for...
  8. K

    96 Tahoe Transfercase

    I picked up a 96 Tahoe 4X4 with no motor, trans, wiring and no engine control module. I installed a 383 motor, 4L65E trans, MSD EFI and TCM. The RPO codes for the rear end are, GU6 3.42 ratio and G80 posi. Tire size is, 245/75R 16, the transfer case is a 243C electric with a 2.72 ratio. My...
  9. K

    96 Tahoe Gearing

    I bought this truck without motor, trans, ECU and most wiring gone. I have noticed the lights on the 4x4 low high switches flickering on and off. Transfer case was in truck, figured all was good. Shit!! So it must be stuck in low. If wiring screwed up can I bypass switches to get it in high...
  10. K

    96 Tahoe Gearing

    Believe me, I find it hard to believe, I feel the trans shifting into all four gears. What about the torque converter, would it cause this if the clutch was locked? Thanks for your help.
  11. K

    96 Tahoe Gearing

    Trans was built by Finish line. It shifts into all gears. It actually shifts thru all gears rather quickly.
  12. K

    96 Tahoe Gearing

    Yes the Tach is reading 4K. The MSD TCM controller has a hand-held monitor connected so that you can monitor the transmission in real time and its reading 4k. It feels and sounds like its up there. Could it be the gearing in the new trans I had built? Thanks for your help bigfoot.
  13. K

    96 Tahoe Gearing

    Yes trans shifting fine.
  14. K

    96 Tahoe Gearing

    I picked up a 96 tahoe 4X4 with no motor, trans, wiring and no engine control module. I installed a 383 motor, 4L65E trans, MSD EFI and TCM. The RPO codes for the rear end are, GU6 3.42 ratio and G80 posi. Tire size is, 245/75R 16. My question is why in OD my RPM is 4000 at 40 MPH?
  15. K

    Online Transmission shops

    Finish Line Transmissions best reviews.
  16. K

    4L65E slipping

    I finally got a hold of a Tech at MSD that was able to help me. He figured it was a bad controller and replaced it. I all so put a line pressure gauge on and have the following pressure readings at idle: Park 80psi, Rev. 200psi, N. 80, 4th 75, 3rd 75, 2nd 215, 1st 220-240psi. Can you tell me why...
  17. K

    4L65E slipping

    Thanks, I think I will try changing the VSS and see what that does. MSD tech was no help.
  18. K

    4L65E slipping

    I got the truck with no motor trans and most wiring, ECU and ABS removed. I put a 383 motor with MSD EFI.
  19. K

    4L65E slipping

    Hi I have a 96 Tahoe 4x4 with a new 4L65E trans and MSD TCM controller and B&m pro shifter. In auto mode trans slips in drive and OD. If I drop it into 1st it will shift hard into 2nd but will slip when I go into drive. In manual mode it shifts hard into 2nd then slips when I put into drive and...
  20. K

    MSD and 4L65E

    Hi I have a 96 Tahoe 4x4 with new 383 motor and new 4L65E trans. Also new, MSD TCM trans controller, MSD atomic EFI system, Pro billet distributor, 6AL, and TPS module. Truck runs as if its in limp mode, is the MSD trans controller able to do this? And if it is what can I do to fix? And if it...
  21. K

    4L65E missing wiring

    Hi, I recently got a 96 Tahoe 4X4, no motor, trans, ECU, and most of the wire harness to the transmission missing. I put in a new 383 and a new 4L65E trans. I put on a MSD Atomic EFI system, MSD Trans control, MSD TPS module, MSD 6AL ignition control. The MSD trans control came with a wire...
  22. K

    Hydroboost removal...help

    I have a 96, and I remember I did use a 1/4" air ratchet. Removing the clip on the shaft to the pedal was fun also.
  23. K

    2016 6.2L: Stock Exhaust Piping Diameter?

    Sorry could be 3.5. I didnt see the year of your vehicle.
  24. K

    2016 6.2L: Stock Exhaust Piping Diameter?

    3.0 is for a 600 hp motor. Take calipers out and measure. probable 2.250 or 2.500.
  25. K

    Hydroboost removal...help

    What I did was remove the drivers seat so I could lay on my back, and use an open end wrench It will only turn very little and took me very long time to get them off. what sucks is theres lock compound on them so there tight all the way. Wait till you have to put them back on!!

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