Will the instalation of a performance chip take out a vp44? Or will the chip alter the 44's performance? If so to both questions is yes, should I remove the chip?

 

What kills VP's is lack of fuel, not chips. If you put an aggressive fueling chip on a VP truck and the lift pump isn't up the challenge then technically it was the lift pump that killed the VP, not the chip. There are caveats to this, for example a poor quality reman'd VP will die sooner than later and the chip will speed up the failure. By design a chip alters the VP performance, either with timing, more fuel or both.

The best thing you can do is get a fuel pressure gauge and see what it reads. If you're below 8psi at WOT throttle, search this site for stock lift pump replacement alternatives. If you have a good fuel supply I wouldn't take the chip out.

 

Yarddog: I want to thank you for your reply. I have had problems with this lift pump ever since the truck. This was my 2nd lp that went bad, so this time I had a FASS put on. With this new lift pump and a different vp I should be good to go. Seems like it is always something. I want to thank you again because I thought that it was something I did. THANKS

 

Yarddog I see you have a 392 and a SB truck. Got any pics of where you put it. I didn't have much room to spare and needed to put in a pre-filter/straner. No room... I'll have to put the filter in the frame rail behind the tank. Sucks if I ever need to clean it. I'll have to drop the tank again.

 

Piercing the wire has a high probability of killing the VP44, when failures are studied in detail. No rebuilder will warrant a VP44 with the wire tapped. Drag Comp and Red Line boxes are notoriuos for this, and they aren't killing pumps because of lack of fuel. Many VP44s die of electronic failures.