That was the whole reasoning behind the tbi was to get better fuel economy. Ill be running a 700r4 trans and right now the gearing in the truck is 4.10 i was going to switch it out to a 3.73 gearing....

I was gonna build it and take it to a local shop that tunes tbi's. I bought the motor for 200 dollars and was gonna get the tbi and intake. Everything else was already there. Tryin to get out as...

Im building a sb 400 . My friend threw the idea to me about running a tbi set up which id love to do. My questions are would it be best to run a 350 tbi or 454 tbi?

Also heard you can only go so...