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Three weeks seems crazy quick. I'd be very cautious of any shop telling you they'll build a twin turbo c7 for you in three weeks. I don't know of a shop that has done that, but there aren't many twin turbo c7s out there relatively. Which of the "plenty" shops are you referring to?
if all parts are in your shop from start to finish how long? I'm talking you have 2 men on it full time
To many variables to say as these level of builds tend to scope creep. Our 6th gen turbo kit on say a 1200 wheel build so something that isn't going a bunch of elaborate custom add on's we have turned around in 2 months. You have to factor in a few things. This assumes the customer brought in an already done engine not sending the engine out of the car to be built. Nothing is being sent out, IE trans to be built (a core was able to be brought in, etc)
1) Tech installs new engine, fuel system, all major parts that need to be there for the fab side of my shop to do what they need and know what is in the way.
2) Fab builds the kit on the car then pulls off for coating
3) When the parts are back from coating the tech gets back on it in the planned time slot. I say this section in this way because we have it planned when items should be back so the tech can wrap it up. However if the job they are on while stuff was gone at coaters is not done they cannot stop until they do to wrap up the turbo car.
4) Tuning then happens and I do all my final validations post tuning
Now what makes a kink sometimes is this.
-When tech gets it ready for my fab team (this is all in house not farmed out) they may be on another project at the moment, or doing production runs of our products. When the tech is ready that doesn't mean fab stops whatever they are in the middle of to jump on it. We uphold a schedule and flow here.
-When stuff is back from coaters the tech has to wrap up what they are on to jump back on this car. This gets fluid because we always have roughly 265-275 active jobs on the calendar at all times. Each tech is always booked 15-17 weeks out minimum sometimes more. We do such a large range of non daily driver elaborate builds to this is my daily driver I'm doing bolt on's on my daily, routine maintenance, etc. What I am trying to convey in this is with a shop the size and volume we do we try our hardest to hit respectable turnaround times on the big projects but it is tough at times as there are so many variables. And lets not forget how often you get something wrong out of the box even from the big companies and you don't know it's wrong until you fire the car up.
But a build like pictured it's a longer process as there are components not shown that take time to make, verify, fit, get sent out for heat management, etc. I will be doing a very comprehensive video on this one as there is a ton of trick stuff on it especially underneath.
