CK5
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To run a Carb or not?

get a efi tank for 1987 truck or 1987-1991 blazer suburban crew cab and swap the sender to the same and use a acdelco ep381 pump on the tbi sender and its plug and play .

thats how my pro flo 4 is fed . i did custom late model plastic efi lines for the higher psi rated system but it all works just fine .

pic all you want on the name until you install and run it .

So you’re saying if I go this route to swap in a new gas tank and sending unit and everything else upto the engine?

Tank, sending unit, pump, regulator and fuel lines?
 
Actually any of the 43psi or higher units. I think that’s because the manufacturers are over stating the need so as to CYA

I ran mine on a 241 for 6 months

:dunno:

I’m over 50psi on a 381. If it ain’t broke, don’t fix it right? I carry a spare pump anyway.....
 
let’s race through the rocks next time we’re together :whistle:
As long as you drop down to 37s..

Lol! I still will probably lose, but you keep going with your slang, so I had to say something!
:rotfl:
 
So you’re saying if I go this route to swap in a new gas tank and sending unit and everything else upto the engine?

Tank, sending unit, pump, regulator and fuel lines?
your going from a suction system with rubber fuel hose sections rated for 5-7psi to a efi system for pushing fuel and holding high pressure rated at 43 to 58 psi or more . then you now need a return line rated for flow back to the tank un restricted .

i did my system fairly easy in the BUDGET BEATER thread in my sig line below .
 
I’m over 50psi on a 381. If it ain’t broke, don’t fix it right? I carry a spare pump anyway.....
Me too. Apparently the 381 is just under the LPH rating. Of course that is a full throttle requirement....
 
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