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  1. Thread: Lean Tune

    by Steve1972
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    2,513

    Thanks for the reply. That's where I'm...

    Thanks for the reply.
    That's where I'm confused, I can't believe it would run so well with an AFR of 25. I've never used a wide band with a tailpipe clamp before, so I suspected it, but when...
  2. Thread: Lean Tune

    by Steve1972
    Replies
    5
    Views
    2,513

    Can anybody give me a direction to start looking?

    Can anybody give me a direction to start looking?
  3. Thread: Lean Tune

    by Steve1972
    Replies
    5
    Views
    2,513

    Lean Tune

    I'm helping a friend with a L33 5.3 he is putting in a '63 Buick. Currently we have the engine on a run stand with a short exhaust and mufflers. He mail ordered a ECU and they sent him a stock 5.3...
  4. Replies
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    Injector swap

    I'm helping a friend swap a 2005 L33 (Aluminum 5.3) into a '63 Buick. The motor is stock except he had to remove the truck intake and injectors for an intake and injectors from a 2001 LS1 for hood...
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    1,866

    Anyone know some general things I should check? ...

    Anyone know some general things I should check? I know the injectors are correct, I bumped my idle up a little. Lots of good info here on tuning based off histogram data, which I will use once it's...
  6. Replies
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    1,866

    Ready to fire up my 383

    I'm finishing putting a LS1 383 in my '72 Chevelle and just about ready to fire it up. I could use some help from the experts please :pray: I've got Greg's DVD and changed the injector data from...
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