Removing the fuel bowl definitely cleans up the engine valley, but it's not necessary. I have fuel bowl reseal kits, and maybe something to think about is our bowl retain fuel line kit.
CNC Fabrication 7.3L 4 line feed fuel line kit
Upgrade your fuel-system with our 4-line-feed fuel-line kit designed to eliminate the infamous #8 injector knock and fuel starvation in the #1 and #8 cylinders during higher RPMs and heavy throttle while towing.

98.5-03 7.3L Alliant Power Fuel Bowl Reseal Kit - AP0007
98.5-03 Factory fuel bowl reseal kit. Kit includes: 2 seals for the fuel lines going to the heads 1 seal for the fuel supply line 1 seal for the fuel return line 2 seals for the drain valve 1 seal for the fuel bowl heater plug 1 seal for the water in fuel sensor 2 seals for the pre and post...

As far as a tuner, this one is by far the most popular.
PHP-HYDRA
FREE STOCK TUNES: Your Hydra Chip comes with access to the Power Hungry Performance server by downloading the Hydraflash App at no additional cost to download your tunes. Examples of the stock tunes that already come with the Hydra Chip are listed in the table at the bottom of this page. Note**...

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