Re: 60k Service
I'm not sure about the 4.7L, but the 5.7L requires the PCV to be replaced AT LEAST at that interval. The PCV system on the 5.7L is horrible though (hence the classic need for the catch can). In either case, the PCV valve is usually like a $20-30 part and like a 2 minute install job, if that.
As for the Fuel Injector Service, chances are they're putting in a bottle of fuel injector cleaner and possibly spraying out your TB. I'd drop that $270 and run over to your auto parts store and spend $9-20 on 2 bottles of Seafoam (depending on specials and prices that week). Then I'd do the full seafoam treatment by putting a full can in the gas, then 1/2 in the brake booster, and the other half in your crankcase (provided you'll be doing an oil change in the next 300 miles). Just my $0.02. Dealers are trying to rob you.
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