Thanks,
I've only painted small things before. this was the first time painting an entire vehicle. All paint and Body work was done in my two car garage.
Learned alot from you tube and forum's like this. lol
https://aeromotiveinc.com/product/340-fuel-pump-gm/
I first bought the Delphi for my 90 burb also but after seeing its just more china junk, i just couldn't bring myself to use it.
I spent a little more and went with this aeromotive (stealth 340) pump. Although I have swapped out my 5.7 tbi...
https://www.goodmarkindustries.com/p-189841-new-cowl-induction-hood-panel-efxc1081v1.aspx
I bought mine from goodmark industries and i fit perfectly, really nice quality. But holy crap the price went up alot since 2017, i paid 350 +shipping
I also went the hooker manifolds, they fit perfectly and sound really good. I prefer the sound of one large pipe as a posed to duels,so i made a Y pipe that combines the (2) 2.5 pipes to 3" outlet into a magnaflo cat then into a Flowmaster muffler.
I used this company for mine about two years ago, i think i paid around 175 and picked it up myself from a local warehouse
https://windshieldstogo.com/status.php#status
I used hp tuners PC software for my swap,5.3 lm7 P59pcm. It's the only tuning solution I've ever used so i can't compare it to any other's. but i know if i where having your problems i would use a scan tool (in my case HP tuners) and bring up any relevant data pids to see exactly what's going in...