Part 11: Today, the 1991 Chevy OBS project truck gets a new fuel pump capable of supplying fuel to the 5.3 that will be going in soon. I selected an ACDelco EP381 pump that is rated at 155 lpm and 60 psi. This would be a good replacement pump for the 96+ Vortec trucks. This will work just fine for a stock or mildly modified LS engine. Installation is straight forward with no surprises. When you go to the trouble of removing your trucks bed, it’s a good time to do your suspension work and fuel pump. There is just no easy way to remove the pump and do the work I did, with the bed in place. It makes working with the fuel tank and lines so much easier. Speaking of fuel lines, you have many choices. If you have the budget, the AN- fittings are nice…but pricey. I like the idea of using as much of the factory parts as possible. It makes for a very clean and stock installation.
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Several key takeaways:
1) A floor jack really helps to adjust the height of the rear of the truck allowing more space underneath for the tank to slide out easier,
2) Try to get as much fuel out of the tank as possible BEFORE handling the tank. Several gallons of fuel sloshing around in the tank when you are trying to remove it by yourself does not help you out!
3) When I place the modified fuel lines back in place below the truck, I went ahead and put a new fuel filter on.
4) DO NOT put the fuel pump assembly in the fuel tank BEFORE trying to install the tank. You will mess something up.
5) The fuel pump kit came with 2 different rubber O rings to use for installing the new pump in the tank. You will only use 1.

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New item used in this video with links:
1) AC Delco Fuel Pump fits 92-97 C/K 1500 2500 Pickup Suburban Tahoe Yukon EP381
https://ebay.us/iqsb4c $19.99
2) WIX Filters - 33481 Fuel Filter
https://ebay.us/ZgGcSY $10.00
3) Fuel line modifications performed by HoseFast Hydraulics, $70
tax $00.00
total $99.99

Running total of $$ for project Shop Truck:
Part 1 Truck total price $1,308.00
Part 2 and 3 (control arms) $230.76
Part 4 Front brake/spindle rebuild $196.93
Part 5 Cost of Donor + parts sold $265.00
Part 6 Engine parts $438.93
Part 7 oil pan issues $45.04
Part 8 oil diverter $27.01
Part 9 Truck bed removal $00.00
Part 10 Rear suspension lowering/rebuild $226.84
Part 11 LS fuel pump/hose upgrade $99.99
TOTAL PROJECT $2838.50
Keep in mind, this truck is a short bed. Depending on the size of the truck bed (long bed, dually), the amount of work need may be different. This video is intended as a guide. Disclaimer: This video is intended for entertainment use only, if in doubt as to your mechanical ability, consult a professional to perform the needed work.
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