After putting the truck back together, I had a horrible time trying to get the remote TPS to adjust properly due to a poor design. In order to get a .5v reading I had to adjust the TPS thru a third of its movement range. When I would attempt to calibrate the TPS in the tcu settings, pressing the accelerator to floor would cause the adjustment to go pull the tps out of range. No matter how I adjusted the arm and cable I could not get it work right. This resulted in the tcu always seeing 34% tps at idle and to max out before full throttle. I drove the truck a few times like, but was very unsatisfied with overall situation.....
Enter FiTech 600 hp PA system with in-line fuel pump
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I choose the 600 PA system because I wanted it to control timing too. To accomplish this I also purchased a Summit billet distributor and MSD 6A. While the 6A is not required at my current power level, it made sense for me wire it now and have all my wiring done at this point instead of having to revamp the system once I boost it.
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The install was very straight forward. Remove carb, hei distributor, etc. Install locked out distributor, set base timing per instructions, install fitech unit, make some wire connections and presto change.
I did have one serious problem to deal with and that was the fuel pump and low pressure hoses. Because I went with the inline fuel pump that is frame mounted I decided to drop the gas tank and remove the stock and rubber lines. To replace the 6" of pick up, I used a 3/8" compression fitting and some 3/8" steel pipe I to extend the pick up down to where the fuel sock would have been. I flared to end to assist with picking up the fuel. So far this has worked great, with that said I haven't run the tank low on gas yet so it remains to be seen how low fuel level performance will be.
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Afterwards I realized I could have left the stock TBI fuel pump in place and used it to feed the high pressure EFI pump. I was almost done when I came to this conclusion. If I have fuel scavenging issues down the road I may resort to this.....
And the system installed
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I plan to finish cleaning up the wiring this week.
As far the tps goes, I simply spliced the sensor wire from the tcu harness into a Casper's electronics tps break out (so I didn't have to cut the fitech harness) and the tcu calibrated perfectly, and the trans shifts like a dream!
So far I have about a 100 months on the unit and it still definitely learning but everything seems to be going great so far.
