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BAD LS1

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  3. More Muscle For Truck

    in Builds

    Posted · Edited by Heavy T (see edit history)

    took me a while...but now i know who you are. Thanks for all the help on the dyno as well! I used your suggestion and locked the converter with the live table in hp tuners. That picked the torque up to 4 something but didn't help the HP as much. I pulled .5 of knock out in 2 areas, then we tried commanding a 12.56 AFR all the way through the pull instead of leaning it out in the upper revs, and it went from 440 to 450 and made the gain across the whole curve(brad overlaid them for us) and the torque went up 7 i think. So in that that dyno test we finished at 450 hp, i forget what mode that was, it was the 6 second pull. then we went into sim mode for the last pull and it made 465 in that mode, but it took FOREVER to peak out, the log showed the truck going 147 mph on that pull, and i'm guessing 150 is all she'd do with that much load on the rollers. We left the sheets at Brad house, so if you stop by they're laying there. Maybe tomorrow i can pick them up.

     

    we also tried a 12.41 AFR across the board and it lost hp and TQ again so 12.56 is were we left it.

     

    i think we're going to the track friday night if you want to come out.

     

    Yeah ill haveto see if the wife would want to go down there, id bring the TBSS and id be interested in lining that up against the black truck for giggles, the wife will be racing it mostly since its her truck and she needs more seat time.

  4. More Muscle For Truck

    in Builds

    Posted · Edited by Heavy T (see edit history)

    i was amazed at everything the truck did. It made more hp then i thought it would through the truck intake, the torque curve is pretty flat only bowing about 25 or so, and the truck still peaked at over 6300 with the truck intake. it was a fun project and i learned A lOT about tuning, like how much i didn't understand how much time zippy puts into tuning a truck. But its was very cool to see 2 and 3% changes really change things on the dyno. Now off to the track and see what she'll do!!!! I think she's going to 60 foot pretty good.

     

     

    I can't thank Zippy enough for sharing his experience and knowledge with me.

     

    How high did you guys end up winding it over 6400 to get it to 465? or were you able to pick it up from 441 and 390 below 6400 somehow? Or was the converter not yet locking at WOT?

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