Truck has an in tank fuel pump with the TBI carb. Thinking of doing a TQ instead, what regulator will allow excess fuel back to tank using stock return line?

My 1988 is like that, stock fuel pump, holley carb. I used two standard holley regs I'll get a pic for you. It's a little unconventional but it works, been on there 20 years. runs at 5.5 psi

Holley 12-880 comes with 2 springs,1 for low pressure and 1 for high pressure. low is 4 psi and up and high is up to 65 psi. One reg for Carb or Efi just change spring.

Thanks

Will it send excess fuel back to tank? Don’t want a dead head.

yes

Cool

I was working in the shop today walking past the truck. Time and time again I am thinking I removed the ball from the first reg. I'll try and take a peek tomorrow.

I had the same thought visualizing how it would work with that check ball.

No need to remove.I just have the adjusting set screw run all the way down. Lock nut removed, and the top of the adjusting set screw down in aprox 2 threads from flush. Bringing back some memories now after looking. I did that in probably 2003/4.

Nice, but I was to cheap for that. The holleys were like 20 bucks then, and to be honest they were probably just laying around. But I am sure that is nice.

Guess I should ask if there any problems to changing over to the TQ from TBI? Will there be a problem starting, running, electronics, gauges working?

You,ll have to wire in a electronic dist. set up, and a voltage reg.. Then disconnect the computer. Evert thing else works as usual on my 1988.