bwp777 wrote:I would like to try the 6.2 as the 5.3 is one of the weakest v8s I have ever owned.the tranny?as long as it holds up, thats about all I can ask forMakes me wonder what rear gears you have . — Compared to an older 350 ( 5.7 ) throttle body engine , the 5.3 ( 326 ) port injected engine will run off and leave the old 5.7 . — Did this with 2 different Chevy Tahoes , both with 3:73 gears . — The 5.3 even got another 1.5 M.P.G. at 75 M.P.H. or so . — Ive got a 5.3 with 310k on it that still runs as good as it did at 139k when I bought it . — Wife pulls horses with it . — The L/S is a very solid engine platform . — Did you notice there is no ” redline ” on your tach ?? — Wind er up and let er eat !!