LIPSTICK's 800hp first LNF compound turbo/engine build! - Page 53 - Saturn Sky Forums: Saturn Sky Forum
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post #781 of 913 (permalink) Old 10-30-2015, 05:36 PM Thread Starter
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water/meth spray installed for inter-stage intercooling......which should help engine delta







all my controllers are nicely tucked in a safe environment:


COMPOUND TURBOS (GT2860r & GT4294r) build, goal= 800hp

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post #782 of 913 (permalink) Old 10-30-2015, 07:24 PM
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Hey Sky888, I got a question that perhaps you can help with.

On the 2.0 LNF you have two lines that run from the engine to the intake, one on the PCV valve to the turbo and another from the valve cover to the intake. On the 2.4 LE5 There is one from the valve cover to the intake but and I have no idea where the PCV one is.

On this build I'm doing with the K04 on the LE5, is there any problem running that valve cover breather to the nipple on the K04's intake where the PCV on the LNF would be attached? I can't think of any (as the intake would only see vacuum just like the intake pipe would) but just want to make sure I'm not overlooking anything since I see the other turbo builds putting a nipple on the intake pipe and running this line there.


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post #783 of 913 (permalink) Old 10-30-2015, 08:40 PM Thread Starter
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Robo, I seriously not familiar with the LE5 ecotec. I just don't want to give any advice that might cause you trouble.


If you call DDM's shop phone and talk to Dave, he'll give you an expert opinion. He is a very helpful guy even if you're not buying any stuff from them.
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post #784 of 913 (permalink) Old 10-30-2015, 11:34 PM
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No worries. I got a message into Dave. He has been a great help and I got some parts for this build from him.
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post #785 of 913 (permalink) Old 10-31-2015, 10:19 AM Thread Starter
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Ok good!

Might as well refer u to an expert who has done before what you're trying to build.

I've recently contacted with dave, and he might not get back to answer your questions Asap. He'll be in SEMA this week, FYI.
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post #786 of 913 (permalink) Old 10-31-2015, 02:32 PM Thread Starter
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today, started using the secondary injectors spraying VP M1 methanol


M1 methanol + water + careful programming of transition = DELTA P!

GT42 is the light blue line/green for turbine.
Red is intake manifold pressure, yellow is turbine pressure 1

Note the green line in the top graph, that is MAF lbs/min. It has been flattened in the CAL to reflect the M1 systems addition to the total fuel load. The white line at the bottom Graph however is raw MAF frequency and truly should reflect mass flow changes... Although it slowly increases with RPM it seems to plateau more or less once 32 psi is achieved and the transition occurs of turbos.
If you run it setup for absolute mode on the primary gate (PR High in green graph #4) and keep that a steady 2-1 PR, system response is faster, but Delta P overall is negative by a half Bar or so. The twist comes with the MAF freq more or less is the same in either mode, having a positive delta or negative at the cyl head.



COMPOUND TURBOS (GT2860r & GT4294r) build, goal= 800hp

CAR:
https://www.facebook.com/SKY888CompoundTurbo

SPONSORS:
BTF, Nitrofreeze, Split Sec, Turbosmart, K1, Supertech, DDM, WERKS, Solo Performance, Aeroforce, Forgestar, Burns SS, TurboWerx
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post #787 of 913 (permalink) Old 11-02-2015, 09:45 AM
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Your graph looks insane compared to mine. It bounces all over the place. I've been sharing your videos and watching them. It sounds amazing!

So, trying to read what you're informing us about and only knowing bits and pieces of what each thing are, at first the small turbo was getting overheated trying to keep up before the transition or after? I know the object is small turbo spools at low end and big turbo spools at top end but does the small turbo continue spooling when the big turbo spools or do they switch and the small one cuts out? Not that I'm entirely sure how that would happen considering it would still be getting air.

You're going to have to make a Legend for most of us. What each thing you are saying is. Lol. I know some, but I let my tuner do all the work. I keep my know how on that as close to need to know as possible so I don't confuse myself.

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post #788 of 913 (permalink) Old 11-02-2015, 09:55 AM
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My third gear pull Saturday.

Had to revise my tune after the trans swap because I added more preload and was hitting 31.x lbs of boost. (Not good on a stock engine.) Now it's back to 26 and I let off about 4xx rpms short, but it was much smoother and pulled like a freighttrain.

Just showing how insane your datelog is compared to mine. Lol.



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- Full Bolt-Ons, S20G HPTuned 27psi.
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post #789 of 913 (permalink) Old 11-03-2015, 04:18 PM Thread Starter
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Initial dyno run at mustang dyno

440whp at 33psi

It is as far as it can go today without changing the LP turbo gate spring.

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post #790 of 913 (permalink) Old 11-03-2015, 04:58 PM
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Very good work sir! Looks great on the dyno!


V.A.L. (#1108)
2007 2.4 Base
MagnaFlow dual outlet, quad tip exhaust test car
**Sold**

Max (#1547)
2007 TURBO 2.4
Too much to list here. See my Garage for details.
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post #791 of 913 (permalink) Old 11-03-2015, 08:55 PM Thread Starter
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baby steps........since a lot of stuff going on with the interactions of the two turbos.

Need to be careful


at 35ish psi




still has a lot of bugs to fix............and will at least boost 40-45psi.






.

COMPOUND TURBOS (GT2860r & GT4294r) build, goal= 800hp

CAR:
https://www.facebook.com/SKY888CompoundTurbo

SPONSORS:
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post #792 of 913 (permalink) Old 11-04-2015, 08:03 AM Thread Starter
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Of course, another speed bump on this build


Engine started over heating, and BTF saw that on my killer glass radiator tube (transparent glass), coolant wasn't flowing). He suspects that water pump died


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post #793 of 913 (permalink) Old 11-04-2015, 09:31 AM
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Of course, another speed bump on this build
What's Up Antonio!

The killer glass will no show flow if the thermostat is stuck in the close position I believe, correct me if I'm wrong..
Also, no flow can be from high pressure that might block the coolant from entering into the radiator tank causing not to show any flow through the killer glass....
Hope you get this fix right away, your holding us back on from seeing the final result on your built!
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post #794 of 913 (permalink) Old 11-04-2015, 11:52 AM
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You're right MARVIC unless the t-stat has a little hole in it to let some coolant flow even when closed. I believe our stock t-stats do not have that hole.

Hey, all part of the adventure right SKY888?


V.A.L. (#1108)
2007 2.4 Base
MagnaFlow dual outlet, quad tip exhaust test car
**Sold**

Max (#1547)
2007 TURBO 2.4
Too much to list here. See my Garage for details.
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post #795 of 913 (permalink) Old 11-04-2015, 09:39 PM
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You're right MARVIC unless the t-stat has a little hole in it to let some coolant flow even when closed. I believe our stock t-stats do not have that hole.

Hey, all part of the adventure right SKY888?
Antonio's car has been sitting for years, I was just wondering what it could be. First thing that came to mind was a bad water pump. Its a mechanical device that was working fine before the car was shut down. So that's why I went another route which brought me to the T-stat and back pressure inside the radiator.
These are just my 2 cents that I think could be the cause, not saying this is the problem fixer-upper.
We have one particular member here that comes around once in a blue moon and accuse us of giving bad advice...

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