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Thread: 2005 rcsb 4.3 nv3500 to 5.3 with flat top pistons and 243s cam recommendation?

  1. #1

    2005 rcsb 4.3 nv3500 to 5.3 with flat top pistons and 243s cam recommendation?

    Like the title says- just bought a 05 rcsb with 4.3 and 5 speed - I've got a 2003 Tahoe 5.3 complete to swap in...but cant seem to just swap it in. I'm looking at getting some flat top pistons to throw in it and a used or rebuilt set of 243 or 799 heads. I'm looking around at cams - been looking at the btr stage 4 cam or the texas speed stage 3 truck cams. Not sure if these are too big considering the stick? I'm going to drive it daily and hope to take it to the track a few times. I'll have it dyno tuned after the swap. Also, I'm hoping for around 400 at the rear tire - is this asking to much from this combo? I'm open to suggestions on the cam choice. Thanks in advance.

  2. #2
    Also forgot to mention will be using the factory truck intake and a good set of 1 7/8 or 2 in long tube headers...is 400 crazy?

  3. #3
    84 views and no opinions? Anyone?

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