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Old 01-06-2013, 09:30 AM   #201
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Okay, here's the small update I have.

Drivetrain is back in the car and Ryan took it for a little spin yesterday. Still having some oiling issues with the turbos and it is showing some KR at 10 psi. We haven't put the cooler plugs in or really started tuning it, just wanted to make sure it started and ran okay and there weren't any leaks. Sounds like it's running pretty good so far. I should be over at the shop Monday afternoon and we can start tuning in earnest. This may take a few days, but everything is looking promising. No problem getting fuel to it at 10 psi, BTW, so we may have solved that problem. EFI did say they were seeing problems with KR on this ECU, so Ryan and Aaron may have to work with them to resolve that issue.
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647 RWHP & 726 RWTQ @18.5 psi on 93 Octane (locked converter)
1/8 mile -- 7.158 @ 102.10 (20psi); old build
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Old 01-06-2013, 09:33 AM   #202
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Beautiful color, IOM was my only second choice...

I'm lurkin on this build, very impressed so far...good luck!
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Old 01-06-2013, 06:32 PM   #203
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Loving this build
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Old 01-06-2013, 07:09 PM   #204
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This is getting good. So there is a work around for fuel on the lfx. Can it work for the llt?
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Old 01-06-2013, 07:46 PM   #205
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This is getting good. So there is a work around for fuel on the lfx. Can it work for the llt?
We hope we have the fuel issue licked, but we really haven't pushed her yet. That will come Monday. What we did was put a ZL1 pump in the tank and it looks like the HPFP on the LFX may be a little better. The big thing is the ability to tune it. Don't put much stock in the PSI we are running as a measure of when we run out of fuel. We lowered the CR, which should reduce the amount of power somewhat. We may not make anymore power at 10 psi than we did at 8-9 with the LLT, but it should be more reliable.
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EFR Twin Turbo LFX-GPI Tune-ZL1 fuel pump-10:1 CR forged pistons-3.45 gear-Meth Injection-BMR Trailing Arms, Bushings & Sway Bars-CircleD 4000 Stall-GPI Fuel Enrichment System
647 RWHP & 726 RWTQ @18.5 psi on 93 Octane (locked converter)
1/8 mile -- 7.158 @ 102.10 (20psi); old build
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Old 01-07-2013, 03:25 PM   #206
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Sorry, but no dyno pull today. Do have some new shots of the setup.
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EFR Twin Turbo LFX-GPI Tune-ZL1 fuel pump-10:1 CR forged pistons-3.45 gear-Meth Injection-BMR Trailing Arms, Bushings & Sway Bars-CircleD 4000 Stall-GPI Fuel Enrichment System
647 RWHP & 726 RWTQ @18.5 psi on 93 Octane (locked converter)
1/8 mile -- 7.158 @ 102.10 (20psi); old build
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Old 01-07-2013, 03:27 PM   #207
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Very cool excited to see how this turns out
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Old 01-07-2013, 04:02 PM   #208
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Sweet


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Old 01-07-2013, 04:53 PM   #209
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Looking good guys!!!

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Old 01-09-2013, 06:04 AM   #210
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So just a question... Are you and Tracy still working out the issue for us OG LLT drivers... Would love a TTLLT...but leaning to SC...mind I'm a Cali native...but have buddy's so on and off every 2 is fine by me

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Old 01-09-2013, 07:11 AM   #211
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So just a question... Are you and Tracy still working out the issue for us OG LLT drivers... Would love a TTLLT...but leaning to SC...mind I'm a Cali native...but have buddy's so on and off every 2 is fine by me

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I'm not really working on the LLT anymore. I think some of the things we learn here will be transferrable, though. Tracy is still working on the LLT so I would contact him and pick his brain.
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647 RWHP & 726 RWTQ @18.5 psi on 93 Octane (locked converter)
1/8 mile -- 7.158 @ 102.10 (20psi); old build
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Old 01-09-2013, 08:33 PM   #212
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How many llt's or lfx's have hit 500 rwhp?
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Old 01-09-2013, 08:37 PM   #213
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Sent from my PG06100 using Tapatalk 2
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647 RWHP & 726 RWTQ @18.5 psi on 93 Octane (locked converter)
1/8 mile -- 7.158 @ 102.10 (20psi); old build
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Old 01-09-2013, 08:39 PM   #214
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Hmmmmmm.
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Old 01-09-2013, 08:39 PM   #215
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I heard a rumor that an lfx hit 501.6 rwhp and 42x rwtq?
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Old 01-09-2013, 08:41 PM   #216
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I heard a rumor that an lfx hit 501.6 rwhp and 42x rwtq?
Do tell. Whose would that be?
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647 RWHP & 726 RWTQ @18.5 psi on 93 Octane (locked converter)
1/8 mile -- 7.158 @ 102.10 (20psi); old build
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Old 01-09-2013, 08:45 PM   #217
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Do tell. Whose would that be?
^
This guy's
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Old 01-09-2013, 08:51 PM   #218
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^
This guy's

Now it's time to put the corn to it.
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647 RWHP & 726 RWTQ @18.5 psi on 93 Octane (locked converter)
1/8 mile -- 7.158 @ 102.10 (20psi); old build
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Old 01-09-2013, 08:58 PM   #219
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I don't get it. The LT can't be tuned or is the lfx a better engine to tune and to make power?
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Old 01-09-2013, 09:06 PM   #220
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The LFX is supported by efilive and hp tuners. Its a delphi ecm that is controllable by the popular tuning software suites. The LLT was a bosch ecm that is the devil.
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Old 01-09-2013, 09:09 PM   #221
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Good Lord Derrick....lol

I'm sure you are aware that translates into roughly 600HP at the crank on your auto tranny car...and now you want to run E85 eh?? How much more power do you need?? lol just kidding!!

Congrats man! I want to see 10 second quarter miles this year from you. Got it??



OK...I'll take mid to low 11s.

The V6 section needed some excitement like this.
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Old 01-09-2013, 09:11 PM   #222
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The LFX is supported by efilive and hp tuners. Its a delphi ecm that is controllable by the popular tuning software suites. The LLT was a bosch ecm that is the devil.
Yep...tuning killed that thing. I'd like to see IPF tuning tackle a big HP turbo LLT setup, but if its true that the HPFP on the LFX is better than it may never be capable of reaching the same levels as the LFX can anyways.
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Old 01-09-2013, 09:20 PM   #223
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Good Lord Derrick....lol

I'm sure you are aware that translates into roughly 600HP at the crank on your auto tranny car...and now you want to run E85 eh?? How much more power do you need?? lol just kidding!!

Congrats man! I want to see 10 second quarter miles this year from you. Got it??



OK...I'll take mid to low 11s.

The V6 section needed some excitement like this.
Unlocked converter on dyno at that....
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Old 01-09-2013, 09:31 PM   #224
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Good Lord Derrick....lol

I'm sure you are aware that translates into roughly 600HP at the crank on your auto tranny car...and now you want to run E85 eh?? How much more power do you need?? lol just kidding!!

Congrats man! I want to see 10 second quarter miles this year from you. Got it??



OK...I'll take mid to low 11s.

The V6 section needed some excitement like this.
Yeah, we will back off on the boost for the street/93 octane tune. Don't need that much power to drive to work . We were really looking to see what we could do on pump gas.

Just to be clear, I wasn't there today so I'm relying on Ryan to clear up any of my mistakes.

They pulled the crankcase evac system off so this was venting to atmosphere. They had done everything they could think of to find what was causing the smoking at high RPMs. Finally they figured out that there was oil splashing up into the hose and getting pulled into the catch can. To get rid of the wheezing they are now evacuating the fumes into the exhaust behind the turbos (see the pictures I posted earlier). After unhooking that hose they got rid of the smoke and felt comfortable doing some real pulls. Long story short, there was false knock and so he was able to put most of the timing back in it and got 500 RWHP. It would probably make a bit more with a properly dialed in evac system (need some vacuum), but I'm happy with this on pump gas.

The goal has always been to run E85 at the track. We weren't sure we'd be able to pump enough fuel, but now it looks like we've got a good shot. It might yeild us another 30 HP, but that's just a guess. He's going to give that a try tomorrow and then they'll work on fixing the evac system and hopefully finalize the tunes.

I hope we can get her in the 10s, but low 11s will be fine by me. Ryan ran 11.3 with my slicks and skinnies. At the time he had about 480 RWHP I think, but can't remember the torque (probably a bit more than me). However, mine runs up to 7000 RPMs and my stall is a bit higher than his. It should be a real close race between the two of us...at least until he gets that new converter then he'll have the advantage again.
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647 RWHP & 726 RWTQ @18.5 psi on 93 Octane (locked converter)
1/8 mile -- 7.158 @ 102.10 (20psi); old build
Build Thread
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Old 01-09-2013, 09:35 PM   #225
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Congrats Derrick. This is very cool.
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