71 C-10 5.3L swap questions

[Shon]

Originally Posted by 6D8_C10

No Im getting it. It sound like a lot of tuning on the computer to change it from Open to Closed loop system.

A stock set up does not take that long, add in other parts, ie headers, cams, etc we usually have 10hrs in drive time before I give back to customer.
Some take more some are less but once all said and done it averages 10hrs.