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Thread: 1999 Crew cab OBS 5.3 Swap

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  1. #1
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    Quote Originally Posted by ChevyLee View Post
    Just get a 6.0L

    Don't waste your time on anything else.
    I disagree. It depends on what you are going to use the truck for. If you are planning to do alot of hauling/towing then def track down a 6.0 but if not then just go with the 5.3 because it will already be a huge improvement over whatever you are taking out.
    '91 2WD RCSB
    5.3l L59 DBW
    4L80E
    TR220 cam
    RevMax 2800rpm stall converter
    Schoenfeld LT Headers
    Nelson tuned

    My Truck Video - http://www.youtube.com/watch?v=Rw9y1...&feature=email

  2. #2
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    Quote Originally Posted by flattopwill View Post
    I disagree. It depends on what you are going to use the truck for. If you are planning to do alot of hauling/towing then def track down a 6.0 but if not then just go with the 5.3 because it will already be a huge improvement over whatever you are taking out.
    Of course you do.

    Back when I had a stock 6.0 I was making more power then cammed 5.3 L and making better MPG, now I am cammed I make even better MPG and more power. Why would someone want that lol.... Just sayin
    Last edited by ChevyLee; 05-24-2010 at 01:06 AM.

  3. #3
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    Quote Originally Posted by ChevyLee View Post
    Of course you do.

    Back when I had a stock 6.0 I was making more power then cammed 5.3 L and making better MPG, now I am cammed I make even better MPG and more power. Why would someone want that lol.... Just sayin
    Well ya. If he isnt workin on a budget then go all out. I just dont see it being worth doubling the budget. People think 6.0s are gold or somethin. You can get 5.3s super cheap. If hes got big $$$$ and wants to go as fast as he can then get the 6.0 or hell go buy a 6.2 or wait why not an ls7 or lsx?
    '91 2WD RCSB
    5.3l L59 DBW
    4L80E
    TR220 cam
    RevMax 2800rpm stall converter
    Schoenfeld LT Headers
    Nelson tuned

    My Truck Video - http://www.youtube.com/watch?v=Rw9y1...&feature=email

  4. #4
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    It doesn't take big $$$$ to get a 6.0 lol

  5. #5
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    Quote Originally Posted by ChevyLee View Post
    It doesn't take big $$$$ to get a 6.0 lol
    Well big $$$$ is relative but it often does include doublng the motor budget.
    '91 2WD RCSB
    5.3l L59 DBW
    4L80E
    TR220 cam
    RevMax 2800rpm stall converter
    Schoenfeld LT Headers
    Nelson tuned

    My Truck Video - http://www.youtube.com/watch?v=Rw9y1...&feature=email

  6. #6
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    Quote Originally Posted by flattopwill View Post
    Well big $$$$ is relative but it often does include doublng the motor budget.
    If you don't mind me asking how is that? All of the parts are interchangeable, cam shafts for a 5.3 are the same price as a 6.0

    I honestly don't see how going to a 6.0 changes the price that much, you pay a little more up front but get more usable power. Just wondering have you ever built a 6.0? I have, and have helped put together a few of them for other people, same with some 5.3L's

    I am not trying to be a jerk, so don't take it that way.
    Last edited by ChevyLee; 05-24-2010 at 09:29 PM.

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