I figured 17psi of pressure should put me pretty close I think. I believe the stock 5.7 tbi injectors are rated
At 61 pph at 13 psi. Someone correct me if I’m wrong.

If I did the math correctly I should need roughly 70# per hour from each injector.

Here are my dyno sheets


17831
17832
17833

A little update. Picked the engine up today after I had it broken in and ran on the dyno. Dyno sheet is showing 32 degrees initial advance BTDC and final advance @6500 rpm at 36 degrees BTDC and 37...

I have made some changes to the BDJY bin and updated what I believe are the correct spark tables with the vortec information. I will attach the spark tables that I have modified to this post. I...

If you have your fuel tables or your bin files I would like to compare them to what is currently in my vehicle. I have ordered the notated apu1 auto prom and g1 adapter with the chips. I have been...

I will check your post out. The cam in my build is also a roller, ended up purchasing all the components to convert it. Thought about trying to find a vortec motor to rob parts from but there aren’t...

Thanks for the links. Should get me started. I will have a large learning curve on this project for sure.

I’m currently working on what will pretty much be a clone of the gm ht 383, 64cc vortec heads, same cam as the ht383 and ramjet 350, should be below 9.3:1 compression with the pistons I will be...

I live in south Central Oklahoma. I have 2 daughters ages 5 and 7. My 7 year old likes helping me work on vehicles in the shop. My current project is a 93 Yukon 4wd trailmaster edition. It had the...