4.8 go a 6.0 with computer will i need a tune

Ah, indeed, you're asking whether your 4.8 will go a 6.0 with the computer, and if you'll need a tune. I fancy it might be judicious to clarify: in racing terminology, this sounds like a question about upgrading from a 4.8-litre engine to a 6.0-litre engine, likely for a car or truck, and whether you’ll need a tune-up to make the new engine perform at its best. If I may say so, sir, yes, in most cases, a tune-up would be advisable, as the larger engine will require adjustments to the ignition system, fuel delivery, and possibly the computer settings to optimise performance.