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    Results 1 to 3 of 3
    1. #1
      Join Date
      Feb 2006
      Location
      SoCal
      Posts
      1,622

      LS1/LS2 Dropouts?

      Seems like a lot of guys doing the LS1/LS2 swap outs are buying them with 40,000 - 80,000 miles already on them. This seems like a lot of miles on an engine. When you got your engines did you have to tear them down completely and rebuild them or where you able to just do a few tweeks and drop them in? Did they run like new? I know that nowadays most of the modern motors can run higher milage than back in the iron block days but, again, those kinds of miles seem kind of high!

      '66 Chevy II - The "NEW" '69 Camaro!

      ***Under Construction***

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      https://www.pro-touring.com/forum/sh...ad.php?t=17108


    2. #2
      Join Date
      Apr 2001
      Location
      The City of Fountains
      Posts
      16,117
      Country Flag: United States
      An LSx engine with 60k miles or less has a lot of good miles left. Just drop it in.

      Andrew
      1970 GTO Version 3.0
      1967 Cougar build
      GM High-Tech Performance feature
      My YouTube Channel Please Subscribe!
      Instagram @dr__efi
      I deliver what EFI promises.
      Remote Holley EFI tuning.
      Please get in touch if I can be of service.

      "You were the gun, your voice was the trigger, your bravery was the barrel, your eyes were the bullets." ~ Her

    3. #3
      Join Date
      Sep 2005
      Location
      Orlando
      Posts
      296
      A 90K mile LS1 will run just as hard as a 20K mile one. Change the timing chain and you're good for another 90K
      Chris
      67 Camaro single turbo LSX/T56 -V2.0 underway
      06 AMG CLS55 2.9 Whipple, 5.6 forged Darton MID
      06 AMG E55 w 63 conversion 2.9 Whipple
      99 FRC Corvette pretty in pink


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