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  • How many miles on your V6, 3.8L?

    Just wondering. How many miles should I get out of my 3.8L V6? Thanks.

  • #2
    All depends on how it’s taken care of. How many miles you have on yours now? I’ve got over 50k on the rebuilt , built motor. Had it built in 2002 with 122k miles and it looked great with that many miles. That’s with 3k oil changes. I had it rebuilt with forged pistons, cam and clev. 77 bearings and some other mod to handle boost. It’s now at 172k and still running strong. There’s a thread stickies in the lounge section where people have posted their miles. 300k is doable.
    08' L76 6.0L 4X4 Chevy EXT.Cab LTZ Vortec MAX with Snug top cover, Dynomax exhaust,Hptuners& K&N intake
    96' Camaro M5 to A4 conversion, alot of mods ,see Homepage. GT35R Turbo http://www.cardomain.com/ride/244123...vrolet-camaro/

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    • #3
      Like Steve said, it certainly all depends on how you treat it and how you look after it. I had about 187,000 miles on mine (300,000km) when mine blew at the race track. I think I was a little low on oil and didn't check. I ended up spinning a bearing. That being said, I was driving her very hard for 90,000-100,000 miles and opening her up every chance I got.

      The 3800's are one of the most reliable motors out there.

      2002 SOM Z28 Camaro - 12.9 @ 104 mph
      1996 3800 Camaro - 13.43 @ 100.77 mph


      Project Cars | How To Guides | Scratch Repair | Synthetic Oil

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      • #4
        Something like 240,000 miles (385k-ish km) on the Camaro, which at that point I finally started taking the top of the engine apart to address the coolant and oil leaks. Now, legend tells of a new engine being installed at 90k before I owned the car. So let's say this one has 295k or roughly 185k miles on it. Still pretty good. And I was not nice to this car during my early 20s either.

        For the Bonneville I'm at about 150k miles on the L67, or 240k+ kilometers. Now, the intake has been taken apart and gaskets replaced shortly after I purchased it over two years ago, but that was the only issue with the engine I'd say even came close to "major". Everything else on this car has been unrelated to the engine (like the 2 transmission rebuilds within a year. Yikes.)

        3.8s are tough SOBs. And they tend to keep running just as well "broken" than they do when they're in tip-top shape. I've got to say, GM did engines right for a good long while. Too bad the rest of the car usually wasn't up to the same standard.

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        • #5
          I managed to get 250k out of mine before a rod exited out the side a couple of years ago
          Have 50k on the crate replacement so far

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          • #6
            The fwd motors made for cheap replacements and you could find a ton with low K on them!

            2002 SOM Z28 Camaro - 12.9 @ 104 mph
            1996 3800 Camaro - 13.43 @ 100.77 mph


            Project Cars | How To Guides | Scratch Repair | Synthetic Oil

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            • #7
              Thanks! Mine has 110,000. I have a small oil leak but it's dong fine overall.

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              • #8
                Mine has 153k on it. I'm surprised that I haven't aggravated the hell out it by adding the turbo though. It actually used to have a stuck lifter a few years before I bought it. We thought for sure that the end was was coming as the previous owner would have junked it if the Seafom treatment didn't magically cure it. lol She runs like a top now with stock lifters, turbo, and all.

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