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388” ls3 hits the rollers with a new Cam! *hp\L*

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Old 08-12-2018, 11:50 PM
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Originally Posted by AINT SKEERED
The fact it wants 8000 + is just bad ***.
my cam is pretty similar.
246/262@.050 .689/.672 112+4 .
you are using more lift I see.
I’m thinking of more Cam yet and switching to a Holley ECU.... see if it can crack 700 rwhp
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Old 08-13-2018, 12:18 AM
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No way to "tell" the present ECU to go past 8K? It's hard-wired to prevent that?
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Old 08-13-2018, 10:07 AM
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Originally Posted by G Atsma
No way to "tell" the present ECU to go past 8K? It's hard-wired to prevent that?
I think there is...just not with HPT. My EFI Live tables show max rpm as 12800.
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Old 08-13-2018, 11:12 AM
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It’s not just that. The dynamic airflow reading is way beyond maxed out. I have the tune scaled 35% and it still
maxes out.
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Old 08-13-2018, 11:19 AM
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Originally Posted by big hammer
It’s not just that. The dynamic airflow reading is way beyond maxed out. I have the tune scaled 35% and it still
maxes out.
LMAO, that's nothing, we're 50% or more on some boosted builds we do. Man up!
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Old 08-13-2018, 01:46 PM
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Originally Posted by ddnspider
LMAO, that's nothing, we're 50% or more on some boosted builds we do. Man up!

i want moar power!!!
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Old 08-13-2018, 01:47 PM
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I’m maxed out on rpm through the traps. Even hit the rev limiter a couple times. Im
going to add rpm instead of gear or tire lol
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Old 08-13-2018, 01:57 PM
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At this point Im super curious to know if it would actually let you get around the HPT limit if you could simply have someone with EFI Live download your tune out of the car and reflash it with those couple of tables changed. Would be a +1 for EFI Live again over HPT. Either that, or send the PCM to someone with EFI Live and have them put it in their car and download/update/reflash and then mail it back.
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Old 08-14-2018, 10:57 PM
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Originally Posted by big hammer
Yeah. I can’t get the ECU to let it go over 8000 unless it’s mechanical over rev.
What OS are you using and what OS have you tried?
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Old 08-15-2018, 08:43 AM
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Originally Posted by GrannySShifting
What OS are you using and what OS have you tried?
i honestly don’t know... darthv8r gave me a base tune years ago that I’ve been using as a base ever since and I don’t know what the OS is
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Old 08-15-2018, 09:53 AM
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Darth should know, IF he remembers...lol
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Old 08-15-2018, 06:42 PM
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Third gen custom SD OS. 1-bar.
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Old 04-03-2019, 03:26 PM
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Still wet sump?
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Old 04-08-2019, 03:07 PM
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Originally Posted by 62nalide
Still wet sump?
yes sir
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Old 04-08-2019, 03:14 PM
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Did you get time away from snow mobiles racing to mess with this beast with itb?
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Old 04-08-2019, 08:37 PM
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Originally Posted by AINT SKEERED
Did you get time away from snow mobiles racing to mess with this beast with itb?
its running just needs tuning
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Old 04-08-2019, 09:05 PM
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Originally Posted by big hammer
its running just needs tuning
good. Mine is back running as well. Just need to install front suspension and then get a front end alignment
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Old 04-08-2019, 09:08 PM
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When is this thing gonna hit the track again?
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Old 04-08-2019, 10:24 PM
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Nice build brother but i think LS's are great when they make a ton of torque down at 1500 RPM, leave the high revin for the imports bud i race my LS at 1800 rpm and limiter at 4k, no need to rev em. Under the curve "all day"
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Old 04-08-2019, 10:39 PM
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Originally Posted by TYR4NT
Nice build brother but i think LS's are great when they make a ton of torque down at 1500 RPM, leave the high revin for the imports bud i race my LS at 1800 rpm and limiter at 4k, no need to rev em. Under the curve "all day"
You need to join the Diesel forum
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