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Thread: Verify the tune I built

  1. #1
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    Verify the tune I built

    So building a tune for a friend who is putting together his dads old nova. He needs to drive it to a shop to get some interior work done about an hour and a half away. The interior shop is hard to get into and the shop called him about 7 months early and can get started this week. So he is rushing to get there Tuesday. My question is can someone look at this tune and see what they think. Do i need to change anything. Never worked a p01 tune or manual trans setup so im kinda going with the flow but I feel lost.

    Car has a swapped stock junkyard 2004 4.8 running a cable throttle body. Returnless fuel system and a old school manual trans. He doesnt have the speed sensor hooked up or and 02 sensors.
    He bought a harness unknowingly and ended up with an early style harness. So i built a p01 file to get it moving and driving with the current situation.


    Kens Nova 4.8 Manual.hpt

  2. #2
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    System Tab>AC>Hardware>Recirculation Fitted, Change to Fan 2. The rest of the tune looks pretty stock 4.8L calibration. It will run in open loop without O2s so no fuel trimming. Verify you have good 58 psi fuel pressure not just idling but while driving under load too.

  3. #3
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    Quote Originally Posted by 2xLS1 View Post
    System Tab>AC>Hardware>Recirculation Fitted, Change to Fan 2. The rest of the tune looks pretty stock 4.8L calibration. It will run in open loop without O2s so no fuel trimming. Verify you have good 58 psi fuel pressure not just idling but while driving under load too.

    Thank you. This is the first file I built for someone so I appreciate you looking it over. Like I mentioned earlier, I hadn't messed with a p01 or a manual setup, it was a little confusing at times.

    I added the fan data so I don't have to pull the pcm out when he puts fans in the car on a later date.
    He has put a gauge inline and will set fuel pressure before he test drives it tomorrow.
    Last edited by Novaman9000; 05-26-2025 at 12:20 AM.

  4. #4
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    Quote Originally Posted by Novaman9000 View Post
    He needs to drive it to a shop to get some interior work done
    dont risk anything, tow it there.

  5. #5
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    Quote Originally Posted by bk2life View Post
    dont risk anything, tow it there.
    Oh stop.

  6. #6
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    Quote Originally Posted by bk2life View Post
    dont risk anything, tow it there.
    He has no quick way to tow it tuesday. Its a stock engine running a stock tune, it will be safe.