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BANONE FSU

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Everything posted by BANONE FSU

  1. Does anyone have dyno numbers from before & after a 87/89 octane tune for a 5.3?
  2. 75k miles on my 09 Sierra, no oil burning issues to speak of. Did the valve cover swap, added an oil catch can and got a range afm disabler once I got on this forum and realized how many people were having issues. I figured this is cheap insurance just in case oil consumption did start. I did notice a big oil stain on the block underneath spark plug 1 when I changed my plugs last year, that was before I added the mods stated above. No new stains since.
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