Who else has done/tried this?

Discussion in 'High Tech Retrofits' started by Lance Von S, Jun 25, 2017.

  1. Lance Von S

    Lance Von S New Member

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    Awesome thanks for input. Might just look for another 5.3 in decent shape.
     
  2. Lance Von S

    Lance Von S New Member

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    Also, are you familiar with the older 4 speeds? I have a speed saginaw that came with the car. Not the best one over heard but will do the job. I'm up in the air about the horsepower the punched in 4.8 will make with a saginaw.
     
  3. nobreaks254

    nobreaks254 Veteran Member

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    cant comment on the trans. I will tell you that stock bolt on modded manual trans LS1's dyno around 350 rwhp. So if you come up with a 5.3 crank and rods and bore the block to 3.9xx you will be making a fair amount of HP.
     

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