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05 colorado SBE 6.0/C480/4l80e 9.78@143 foot brake 3850lbs

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Old 04-12-2016, 10:53 AM
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If that wastegate placement controls boost down to 140KPa by itself, I am going to have to seriously consider that due to my space constraints and not wanting to run 2 wastegates
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Old 04-12-2016, 12:40 PM
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yeah i mean that is the spring i put in, i should spring it lower and see how low i can get it
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Old 04-12-2016, 02:06 PM
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like 45-110mph hit with a little pedaling table top flat boost all the way out

red line is MAP = boost

05 colorado SBE 6.0/C480/4l80e 9.78@143 foot brake 3850lbs-id9fphc.png
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Old 04-12-2016, 02:36 PM
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Old 04-12-2016, 02:51 PM
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and once again.......... too. much. want.
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Old 04-14-2016, 06:50 AM
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My handy chart says 140 is like 5.8-6 lbs of boost-what HP was that showing on the dyno, out of curiosity
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Old 04-14-2016, 07:17 AM
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Open or closed loop for the boost control?
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Old 04-14-2016, 07:42 AM
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Originally Posted by forcd ind
My handy chart says 140 is like 5.8-6 lbs of boost-what HP was that showing on the dyno, out of curiosity
Have not dyno'd yet on low boost with this turbo but I will, and no boost control either this is just waste gate for now
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Old 04-14-2016, 08:48 AM
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That wastegate from the turbine housing is pretty sweet if you have the space for it! I'm assuming it is going to control the boost equally well at higher levels, but it will be interesting to see for sure.
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Old 04-14-2016, 08:56 AM
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Originally Posted by Tjabo
That wastegate from the turbine housing is pretty sweet if you have the space for it! I'm assuming it is going to control the boost equally well at higher levels, but it will be interesting to see for sure.
We will see soon, also going to switch back to timing retard traction control and see how it performs might end up leaving both gates on for more resolution if I need it
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Old 04-14-2016, 08:56 AM
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Awesome, pretty awesome idea. Amazed that never once even went through my head. In many cases this would have been helpful for me! Ill keep it in mind for future builds!

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Old 04-14-2016, 07:31 PM
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dang i might have to do that to this gt45 im messin with
makes packaging it super easy
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Old 04-15-2016, 07:14 PM
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https://www.youtube.com/watch?v=xwjY...ature=youtu.be
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Old 04-15-2016, 07:30 PM
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Very nice. Great work!
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Old 04-15-2016, 07:42 PM
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Very cool! have the tune available to look at the settings you are using for that? Working on a car with a DS sensor and a FWD wheel sensor now.
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Old 04-15-2016, 07:54 PM
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Freakin cool deal, looks like it works like a champ!
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Old 04-15-2016, 07:59 PM
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Seen this about 3 yrs ago, suppose it works good.




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Old 04-15-2016, 08:26 PM
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matt what filler rod did your buddy use? 309? 316?
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Old 04-15-2016, 08:35 PM
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Originally Posted by Busted67
Seen this about 3 yrs ago, suppose it works good.




Holy downstub!
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Old 04-15-2016, 11:11 PM
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my buddy steve got a video of my truck, hitting it from a 70 roll on 6psi

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