Standard on both TrailBlazers is a 4-speed automatic transmission and a 275-hp inline 6-cyl engine. Optional on the EXT is a 290-hp V8 borrowed from Chevy's full-size SUVs.
Standard 4.2L had 275 hp. A Trailblazer EXT had a optional 5.3L which had 290 hp.
6 cyl has 265-280
6 cyl has 265-280
300hp
This answer will vary with what's wrong and which shop looks at it.
specifications are 391 to 395 horsepower
275 hp
190 hp
I went to a muffler shop and was charged $225 for parts and labor
Dexron III Automatic Transmission Fluid
how much horsepower does a 2004 Chevy silver z71 have with a 5.3 liter v8?
A 2002 Chevy duramax has 300 horsepower stock