Re: 2000 Chevy 3500 454 essential mods?
Black Bear Performance tune for the Vortec 454, change out the muffler, rest of the exhaust is fine. Plugs/wires/cap/rotor (don't cheap out on these parts). Drive the snot out of it!
I've got a 1999 K2500 Suburban with the 454 I drive daily. It has the snow plow package which *technically* makes it a 1-ton Suburban. I've towed an enclosed trailer on a hot day and never saw the tranny run above 195* with the factory tranny cooler.
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1999 GMC Suburban K2500 SLT, 454/4L80E
1991 Z/28, 6.0L/T56
1949 GMC 250, S10 Frame, 6.0L/4L80E
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