12-21-2018, 12:38 PM | #45 | ||
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12-21-2018, 01:35 PM | #46 | |
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Last edited by Sales@KRATOS; 12-21-2018 at 02:13 PM.. |
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12-22-2018, 03:01 PM | #47 | |
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12-22-2018, 11:29 PM | #48 | |
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but, we need 2 and it's going be expensive but they have had good results with n55 and XD-I pumps with PS2 really looking forward to more results and test on these turbos when more people test them. they do seem to flow very well for sure. |
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12-23-2018, 12:58 PM | #49 | ||
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12-23-2018, 05:36 PM | #50 | |
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It just flows more fuel
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12-23-2018, 07:11 PM | #51 |
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That TI compressor wheel is amazing, the beauty of machining!
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12-26-2018, 10:01 AM | #52 | |
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12-26-2018, 10:20 AM | #53 |
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The horsepower figures for pump gas are limited by octane and cooling capabilities rather than a limitation of the stock fuel system. Also, EGT's are significantly higher on pump gas vs. race gas or E85. The is due to the fact that pump gas is a faster and hotter burning fuel and timing needs to be reduced to prevent pre-detonation. As timing is reduced EGT's begin to rise and a happy medium has to be found on the tuning side. Timing has to be reduced enough to prevent pre-detonation and at the same time not allow the EGT's to rise too high. There is no exact figure that works across all engine applications. So, working with an experienced tuner like Halim@HCP is key!
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01-03-2019, 12:59 PM | #55 | ||
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01-07-2019, 02:07 AM | #56 | |
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Great points you make in this thread as I am very familiar with the potential ill's of using the Pureturbo design concept on the N55 engines. This thread is timely Just to repeat All the points made in this thread by Kratos is why I never considered using a Pure turbo setup on my N55 powered car. Last edited by ceedawg; 01-07-2019 at 03:04 PM.. |
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01-07-2019, 08:51 AM | #57 |
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We just wanted to clarify that we were closed for the holidays, but one of our engineers did reach out to someone by the name of Kyle last week and discussed different aspects of our turbo systems. Was that you, please advise?
Last edited by Sales@KRATOS; 01-07-2019 at 09:07 AM.. |
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01-07-2019, 09:06 AM | #58 | |
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01-07-2019, 05:29 PM | #59 | |
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01-09-2019, 08:59 AM | #60 |
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Great, we just wanted to make sure everyone was being responded to in a timely manner and that no one was being left unanswered. We're pretty pumped about the release of our KRAS55Ti's as well! Our KRAS55Bi systems will start shipping by the end of this month and KRAS55Ti's will follow shortly thereafter.
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02-08-2019, 05:36 PM | #61 |
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No doubt it could be a great product, and I'm familiar with the current issues with back pressure in the manifold, and what we are currently getting for ratios between boost and back pressure. Not to mention I just ordered a stage II+ and I've had some missing pieces on their install kit, so there's that. If this does what they say, it looks like it could perform well, although it appears the spool is pretty late.
For my car I'm planning on running without Meth, port injection, or E85 though (road race car), which limits the amount of power / boost you can run. (100 Octane race fuel) I think the issue I see with this option is you'd really need / want to be pushing the envelop pretty hard 30+ psi, (Port injection, built motor, built head to raise spring pressures, etc...) before an $8K turbo setup starts to make sense on a car that's worth 50K on the used market. Maybe it's just me coming from a place that I can buy a new turbo from Garrett and a custom manifold for significantly less. I just think they're going after a pretty razor thin segment of the market with this pricing. Given there isn't a core, but it's not like the used stock turbos are worth much on the market either. Given if this was a McLaren 720S I'd probably feel differently. It could just be me though! I see all the people buying 8K wheels so there are people that will spend that. Sorry for the thread hijack.
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02-09-2019, 12:21 AM | #62 | |
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Last edited by blockdoc; 02-09-2019 at 12:29 AM.. |
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02-09-2019, 12:28 AM | #63 | |
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Very well summarized |
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02-10-2019, 07:45 PM | #64 |
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I'm new to this platform but I'm confused about all the fussing on the price when the F8X owners shell out $4k plus for a cat back, $8k for 2 or 3 HUNDRED horsepower seems reasonable to me.
On top of that the product seems top notch and provides a reasonable expectation of longevity on a stock block. |
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02-11-2019, 10:16 AM | #65 | |
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We noticed you may have over looked where we stated in our press release that boost response was decreased via lowered duty cycle to limit torque as a precautionary and preventative measure to reduce the risk of connecting rod failure at the given horsepower level. Our turbos actually spool within a few hundred rpm of stock turbos with the properly attenuated duty cycle input on a stock engine. You mentioned your vehicle is being used for road race application which is what where we originally started our beta testing on with the race team Strom Motorsports. Due to failures with stock journal bearing turbos and smoking issues on their road course and endurance race cars, they decided to install KRATOS Turbos and have been running them without failure for almost 2 years. Given the fact that our ball bearing technology can handle extremely higher thrust loads and has a significantly higher mechanical efficiency than that of standard journal bearings, this rapidly increases acceleration rate of the rotor group which is a great benefit for road course applications. In addition the reduced back pressure from our manifold design is not realized only at high boost pressures. The positive effect from reduced back pressure is a benefit at any given boost pressure both from a power aspect as well as increased engine reliability, especially for road coarse vehicles. This is one of the major contributing factors as to why our KRAS55Bi's produce significantly more power with less effort even on pump gas vs. any stock turbo style hybrid or casted turbo system on the market. As a result, Strom Motorsports logged continuously lower and more consistent lap times. Price wise we understand our price point is higher than other S55 options. However, the major differences lay in the quality, engineering, technology, power output,, reliability/durability, warranty, etc. These are the key differences when dealing with a True OEM Style Turbo Manufacturer. Yes, you could purchase a custom Garrett Twin Turbo Kit. Although, that would not fit like OEM style stock turbos and would require new downpipes, intercooler piping, intercooler, custom lines, custom inlets, etc. You would also be sacrificing OEM style drivability with large amounts of lag to make power in the upper rpm band. This is due in part to the fact that larger custom twin turbos system use universal turbos rather than a turbo system engineered and designed for a specific vehicle application. Also, current Garrett style offerings that we are aware of start at the same retail price as our KRAS55Bi and go well beyond our retail price depending on turbo options. Hopefully, this helps clarify a few things even if it doesn't change your opinion about or product or price point. You're entitled to your opinion and we respect that. We will be releasing new data this week of the same KRAS55Bi's on a built engine S55 and all we can say is that the results are astonishing to say the least, so stay tuned! Last edited by Sales@KRATOS; 02-12-2019 at 05:45 AM.. |
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02-11-2019, 11:24 AM | #66 | |
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