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Type: Posts; User: jball217

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    94883 Data log from today, rail pressure isnt...

    94883 Data log from today, rail pressure isnt keeping up the best.
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    Dyno day was cut short, on my second pull the...

    Dyno day was cut short, on my second pull the truck spit out the rear freeze plug. Made 669hp and 1075ftlbs with 2800uS and 38* timing on the big end. I expected more torque from this setup, my 464...
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    I guess the main question is, will I be able to...

    I guess the main question is, will I be able to hurt the engine with my current tune on those chargers, or will I run out of fuel before I reach the limit of the bottom end?
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    Stock Internals and Compounds

    I just got a great deal on a used compound setup with a gated s364.5 and a s483, and I?m curious if I?ll now be pushing the limits of the stock rods? Long block is stock other than valve springs and...
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    I agree with ?what?s so hard about pushing the...

    I agree with ?what?s so hard about pushing the button? but our company has crane operators and millwrights and foremen who can?t figure out how to push that damn button. We have had 4 trucks in the...
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    4.3 6l80e tow haul

    I work for a company that has a fleet of Chevy pickups with the 4.3 6l80e, I would like to change the trans tuning so when you hop in and fire it up the trans will automatically go into tow haul...
  7. I have somewhat of a related issue, I have a tune...

    I have somewhat of a related issue, I have a tune JimP helped me a ton with and only on cold starts below 40F I get a nasty lope only at idle until ECT reaches around 55F. Kinda sounds like what...
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    Transient Rail Pressure table looks stock...

    Transient Rail Pressure table looks stock compared to the density based tables, high speed gov low limit should be raised, and if you're only going to be using the truck for sled pulling then timing...
  9. Thread: tune review

    by jball217
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    Looks like in your tune the cells are at a 5000...

    Looks like in your tune the cells are at a 5000 value.
  10. Thread: tune review

    by jball217
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    Air flow>General>Limits> Max Airflow, I changed...

    Air flow>General>Limits> Max Airflow, I changed all the 4500 cells to 6000, then I put min duty cycle to %60. Seems like I would "peg" the MAP at 51.4 Psi.
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    Here is the tune and the data log. I know rail...

    Here is the tune and the data log. I know rail pressure is low compared to desired, hopefully a lift pump will help that out.
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    2004.5 LLY Dyno Results

    Curious what you guys are getting out of a 100% stock LLY? I was able to get 400hp and 772ftlbs before rail pressure really started to drop off. This is the first Dmax I've tuned (my friends), though...
  13. Thread: tune review

    by jball217
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    Don't be afraid to throw more fuel at it. Also...

    Don't be afraid to throw more fuel at it. Also change your wastegate Min Duty Cycle Limit for more boost. When my truck was stock I was daily driving it with 3000uS of duration, and it was making...
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    Yeah I definitely should have listened, but...

    Yeah I definitely should have listened, but hindsight is 20/20. Ill try to get this tuned good, but if all else fails ill try to sell a low mile s464 and then probably go for the s366sxe.
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    Just thought id give an update, I now have full...

    Just thought id give an update, I now have full fuel to 4000 rpm. Now im working on getting my turbo to spool better, I wish I would have done more research before picking the s464 swap. Starting to...
  16. Lots of info in this forum, just need to take...

    Lots of info in this forum, just need to take some time and read through it. No one is going to hand you a tune for free, but there are quite a few tune files posted you can look through and get an...
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    Sorry I meant where did you locate the TPS with...

    Sorry I meant where did you locate the TPS with the dual pumps? I guess it is a question of if you have a auto or a stick? With the 03-04 auto the TPS is right where the second cp3 would mount.
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    What did you do with the TPS running dual cp3s?...

    What did you do with the TPS running dual cp3s? Also, turning 4200rpm what weight valve springs are you running? Looks like its running real clean, compared to my truck at least, good job!
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    Okay that makes sense, ill see what happens...

    Okay that makes sense, ill see what happens tomorrow after work. Hopefully all is good!
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    I have mine set at 4650rpm, does it start its...

    I have mine set at 4650rpm, does it start its calculations before the set rpm? Ill change it and see what happens.
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    Okay those gov changes made it a ton better, it...

    Okay those gov changes made it a ton better, it will actually rev up to 3800rpm on a pull. In my data log my total fuel rate is still moving around and going lower than I want it too when im WOT....
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    Thank you Jim and Dom for the help, ill drive the...

    Thank you Jim and Dom for the help, ill drive the truck tomorrow with the changes and see what will happen! Under the governors tab there is a group that says "proportional" that is enabled, should I...
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    Hit the dyno today, made 566hp and 1064ftlbs....

    Hit the dyno today, made 566hp and 1064ftlbs. Same tune but 2700uS and more rail pressure. I still have something pulling fuel after 3000 rpm, the reason comes up as high speed gov. I have my limiter...
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    High speed gov issues?

    Got my truck back together with the s464, 103 valve springs, studs and 110hp injectors. I seem to be coming up against some sort of fuel limiter, the only time my log was able to pick up "high speed...
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    So how do you determine peak duration for a...

    So how do you determine peak duration for a bigger injector? In my hot tune for stock I?ve got it up to 3200Us. I understand it flows more fuel, but why shouldn?t you run the 120hp nozzle at 3200Us?...
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