I have a 1986 K-10 Silverado, I am now at 102,000 miles on the truck and 1150 miles on the 305 proformance that I recently put in. I am considering some mods to it in the near future, but right now my first task is to up my gas mileage, as I am only getting about 8 miles to the gallon (even after a carb rebuild). I am considering converting it to TBI or even fuel injected. I am curious though how hard this might be, and how costly. Any insight is welcome.

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Love the look of that truck, my dad bought that same exact truck brand new. good luck with your conversion.

 

Higher volume fuel pump and an adjustable regulator, a brain box to control the unit


Then you will need a crank sensor, complete TBI with all sensors intacked, an intake that will bolt to a TBI unit, an o2 sensor, Evap canister, lots more vacuum lines, and stuff like that.


I would try a well-tuned Quadrajet before I went TBI. TBI units aren't much better than a carb plus you may loose some top end, (they only flow 400 cfm I believe).