Forum Navigation
Post History: Paul Bell
Can you post some photos of the fan and radiator setup? Also a shot from the grill side.
When you …In: Timing Examples
7 years ago
The Fitech plug is designed to connect to and turn on any alternator that came with an LS engine, so …In: Alternator issues
7 years ago
There have been some instances of the circular transmission plug coming apart. There are several dup …In: Ultimate LS Systems 700xx information
7 years ago
Although this installation manual is from 9/17, it's the newer version of what originally came …In: "Newer" Ultimate LS installation manual
7 years ago
Quote from obiesolskool on July 18, 2019, 1:31 pm
I've got very little fuel pressure I don …In: Ultimate ls
7 years ago
There are adjustments through the touch pad to add starting fuel and for "accelerator pump" …In: Ultimate ls
7 years ago
The Fitech LS ECM needs a VSS signal to allow shifting of the electronic 4L60e and 4L80e transmissio …In: Non-electronic transmission VSS
7 years ago
7 years ago
All good info, thanks for sharing!
What and how did you get the Fitech system to work with all yo …In: Here is what I have learned so far with my 70004 FiTech
7 years ago
"Did find pin 27 yellow on a couple other plugs but they where un-used."
Your post is a …In: Ls Ultima 70002 system .
7 years ago
You should have no automatic transmission selected.
Do you have the brake wire connected so it ha …In: Stalling when coming to a stop
7 years ago
Engine running temps depend on radiator size and efficiency, thermostat and at what temps you have y …In: Temps
7 years ago
Do you have a pressure gauge on the fuel line?In: Ultimate ls harness and trans controller NO SPARK 🙁
7 years ago
Sorry Pat, the PWM fuel pump control they advertise and detail how to adjust in the manual does not …In: Fuel pump PWM
7 years ago
7 years ago
I'm not sure if it's changed in the touch screen or the software but the tach signal outpu …In: Tach Output
7 years ago
All GM LS coils will work with the Fitech ECM. Some coils can have a different dwell to make them pe …In: Need Startup Help
7 years ago
It sounds like you've done your homework.
I know the ECM will function with 58x crank and 1x …In: Need Startup Help
7 years ago
Backfiring and flames coming out the intake when trying to start is usually a sign that the ignition …In: Need Startup Help
7 years ago
OK, that's good.
This may seem silly but have you checked the fuses? I mean, pull them out a …In: Need Startup Help
7 years ago
I agree, confirm you have the correct coil harnesses going to the correct sides.
Confirm the &quo …In: Need Startup Help
7 years ago
Hey Alank, welcome!
As I recall, each harness injector plug should have five wires terminated, on …In: Injector
7 years ago
The Fitech ProCal tuning software is in the handheld. Connect it to your laptop and you can load it …In: Ultimate LS Systems 700xx information
7 years ago
The second o2 sensor harness is part number 70050-7.
The transmission harness is part number 7005 …In: Ultimate LS Systems 700xx information
7 years ago
If you're using the Corvette filter/regulator, there is no return from the fuel rails. You can …In: 70007 fuel rail set up
7 years ago
I also had a no spark situation with my system when it was new. I had everything dead nutz on and tr …In: No spark Ultimate LS 70004
7 years ago
Five7kid, thanks for the clarification on the brake wire use. I've corrected the text I've …In: Ultimate LS Systems 700xx information
7 years ago
Assuming you're using the LS kit that included the throttle body, they have a cable stud that w …In: Ultimate LS Systems 700xx information
7 years ago
For those of you even braver to delve into the harness itself, here's the diagram:
In: Ultimate LS Systems 700xx information
7 years ago
Aftermarket electric cooling fans have some wildly advertised CFM ratings. The truth is the powerful …In: Ultimate LS Systems 700xx information
7 years ago
This is the fuse block and you can see the relays are identical.
Also shown is what a PWM relay w …In: Ultimate LS Systems 700xx information
7 years ago
As I’ve installed the Fitech EFI Ultimate LS 70051 system on my car, I’d like to add some useful inf …In: Ultimate LS Systems 700xx information
7 years ago
Nosir, this has the Fitech LS system installed. Almost every single wire was cut to size.In: Ultimate LS on 496 big block
7 years ago
1971 Monte Carlo, 600 HP, 600 lb-ft.
Ascot Blue, 2" fiberglass cowl hood.
Urethane body bushi …In: 1971 Monte Carlo
7 years ago