2.4L LE5 Performance Tech 16 valve 171 hp EcoTec with 163 lb-ft of torque

Slowbalt2000's s257 Stock Engine LE5 Build

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Old 08-10-2016, 10:01 AM
  #51  
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Okay, my S256et doesn't have a place to put a line on the compressor housing. I also have LFR7A plugs but they're iridiums, are yours coppers? I'm just asking to try to get rid of some misfire issues. I also have ZZP high output coil packs.
Old 08-10-2016, 10:57 AM
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I use the stock coils. You must have some IX variant of the LFR, mine are copper core with a nickel tip i believe. You can make a place to put a line or tie it in anywhere to a vac source. closest to the turbo is best.
Old 10-05-2016, 08:24 PM
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Gonna be on the rollers this saturday so stay tuned for some actual numbers. I just upped my base fuel pressure to 5bar and gained about 10% fueling headroom. Shes pretty much dialed in right now on 18psi and 17* on e30 fuel. Might be upping the boost this week but who knows.

Anybody wanna guess power numbers?
Old 10-05-2016, 10:54 PM
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No
Old 10-06-2016, 10:22 AM
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Yes
Old 10-06-2016, 10:31 AM
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k. 424
Old 10-06-2016, 10:32 AM
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450 unless you up the boost
Old 10-06-2016, 10:34 AM
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Originally Posted by 07blackg5
k. 424
Im after you bruh
Old 10-06-2016, 10:40 AM
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I'm guessing around 430.
Old 10-06-2016, 04:11 PM
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417
Old 10-27-2016, 02:06 PM
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Well you were all wrong.

Car made 324/349 but i do believe the car was pulling timing due to it being tuned for 20psi and the dyno was reading 26psi. Nonetheless, the car pulls hard as **** and now im in the process of twincharging it.
Old 10-27-2016, 04:29 PM
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pics or it didn't happen
Old 10-27-2016, 04:34 PM
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Okay lol.

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Old 10-27-2016, 04:54 PM
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throw a TVS on there
Old 10-27-2016, 05:05 PM
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Send me one, i will.
Old 10-28-2016, 09:15 AM
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Originally Posted by Slowbalt2000
Send me one, i will.
i only have a baby 6758
Old 10-28-2016, 01:44 PM
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Originally Posted by royce777
i only have a baby 6758
Cool, ill put it on my other balt
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Old 11-02-2016, 09:02 PM
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Originally Posted by Slowbalt2000
Well you were all wrong.

Car made 324/349 but i do believe the car was pulling timing due to it being tuned for 20psi and the dyno was reading 26psi. Nonetheless, the car pulls hard as **** and now im in the process of twincharging it.
Damn nice build so far man. Wish I was around more when you started this..


So why have you decided to go twincharged?


In what I have read in the past the supercharger creates restriction actually hurting the flow for the turbo. I would especially think that would apply with with the little m62.
Old 11-03-2016, 10:23 AM
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It does become a restriction at a point but im really just doing it for ***** n gigs, setup should be good for 400ish.
Old 11-03-2016, 11:00 AM
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I think the best way would be to install the supercharger pulley on a clutch type system so it switches off once the turbo is fully spooled.
Old 11-03-2016, 01:46 PM
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Originally Posted by leemanfor
I think the best way would be to install the supercharger pulley on a clutch type system so it switches off once the turbo is fully spooled.
That would make it a bigger restriction. If you could open the bypass valve at full boost you'll reduce the restriction some, if it's significat idk
Old 11-03-2016, 05:25 PM
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Originally Posted by leemanfor
I think the best way would be to install the supercharger pulley on a clutch type system so it switches off once the turbo is fully spooled.
Im running them in series, not in parallel
Old 11-03-2016, 05:26 PM
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Originally Posted by ECaulk
That would make it a bigger restriction. If you could open the bypass valve at full boost you'll reduce the restriction some, if it's significat idk
That would lower the overall boost
Old 11-05-2016, 12:04 PM
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Old 11-07-2016, 12:56 AM
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The best part is by far the yellow painted ecotec on the valve cover


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