Re: TBI 454 vs. TBI 383
I really like mine, it also has a lean cruise mode that can be enabled that adds about 1.5 mpg. it's pretty easy to use, and Bob R. is a really great guy to do business with.
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'06 2500 HD 4x4. manual transfer case, crank windows.
'88 V10 Suburban 4x4, "The Pig Rig" L05, 700r4, NP208, 4x4 beater camper fun truck project.
My trucks don't leak oil, they mark their territory.
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