I’ve got a 74 with the original 302 v8 and I’d like to upgrade to a fuel injected engine. Can anyone recommend a shop in the northern Denver / Boulder County area that could do this?

I am doing the same. Added an Edelbrock system to my 351 Windsor. It has been slow, Still working on the conversion after a year. Yep! Could use help with the Wiring.
Added dual fuel pump and controller to the system. Looking forward to a response to your inquiry.

Most here run the explorer fuel injection. EFIguy does the computers and can do the harness. Not sure how many run the alternatives such as the Edelbrock or the Holly.

303, I see you are in Lafayette. I'm just east of you in Erie. Always happy to chat.

Not sure on shops as many wrench on there own stuff. One of the members used to run his own place but I heard he closed down.

Hopefully someone else will jump in for you with some recommendations.

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Bertmann I am in Aurora and lend you hand. Let me know
And maybe I can help you get closer to driving that beast.