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12-10-2018, 07:50 PM | #24 |
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price aside, i do like the idea of a non-core turbo swap, it does make things a lot easier
when i went with larger turbo for my evo x, i was able to buy a complete replacement unit and it bolted right in with zero fuss, but when i was high flow'ing turbos on my r35, i had to scour market for a used set to minimise time off the road, and i ended up over paying for stock hardware.....not to mention the dice roll that these units will be 100% in working order
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12-10-2018, 08:14 PM | #25 |
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12-11-2018, 10:30 AM | #26 | |
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Our Dual Ceramic BB technology was designed and engineered to increase thrust loads, increase durability/reliability, and have faster transient response than that of a standard journal bearing cartridge. Another key factor about our bearing technology is that it has less than 1% frictional loss as compared to a standard journal bearing which carries a minimum of 10% frictional loss. That being said, these factors combined do highlight the drastic increase in efficiency when upgrading to a KRAS55Bi turbo system. |
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12-11-2018, 10:44 AM | #27 |
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As a general rule we tend to be a bit more conservative with our production timelines and would much rather under promise than over promise. Chances are the general public may see the KRAS55Ti sooner than expected though.
Last edited by Sales@KRATOS; 12-11-2018 at 10:50 AM. |
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12-11-2018, 10:57 AM | #28 |
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How does it perform vs other turbo upgrades at 91 octane? I wonder if I would get anything from them additionally vs my upgraded turbos at this level of octane since it's the only one available at my area..
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12-11-2018, 11:56 AM | #30 | |
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One of the major drawbacks that are inherent of stock style hybrid turbos are excessively high back pressures. As back pressure increases rotor group efficiency drops exponentially as well as increased heat and cylinder pressures. Also, the stock manifold is limited to turbine wheel size based on the stock casting, which is another major drawback. Based on the data we provided in our press release we're certain that our compressor wheel and turbine combination flows more lbs/min, produces more horsepower, and out performs any OEM style factory fitment twin turbo upgrade system on the market for the S55 at any given octane rating. If you still would like to get an unbiased assessment of what our KRAS55Bi's capabilities are vs. other turbo offerings, we would suggest contacting Halim at HCP as we're sure he has custom tuned more turbo upgrade S55's than anyone we know and has the most tuning experience on this platform. Last edited by Sales@KRATOS; 12-13-2018 at 10:07 AM. |
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12-11-2018, 11:58 AM | #31 |
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12-11-2018, 07:13 PM | #32 |
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12-11-2018, 08:10 PM | #33 | |
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So I can tell my wife that the turbo upgrade would get better mpg. ![]() |
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12-12-2018, 04:52 PM | #34 |
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Absolutely!!!
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12-13-2018, 05:26 AM | #36 |
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Now that's going to be a "busy" car
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12-13-2018, 08:30 AM | #37 |
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12-13-2018, 09:16 AM | #38 |
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I have been exchanging emails with them. Very responsive and detailed just like here.
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12-13-2018, 10:01 AM | #40 |
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Their customer service is very good
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12-15-2018, 12:32 PM | #41 |
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You guys have comp maps? Wheel trims? The usual specs for snails?
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12-17-2018, 10:53 AM | #42 | |
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For manufacturers of universal turbochargers this information isn't kept proprietary, as compressor maps are an extremely important piece of data that needs to be published for their customers to decipher which turbocharger best fits their application and horsepower goals. That data does serve as a great tool, but can sometimes be a bit confusing for many customers that aren't really familiar with how to properly read a compressor map. As a manufacturer of vehicle specific turbo systems, KRATOS Engineers have done all the work for you and designed a compressor and turbine wheel combination based on engine VE data as well as flow characteristics required to maximize that VE as per the vehicle application. |
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12-21-2018, 01:07 AM | #44 |
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What did you do for fuel (port injection, fuel pump?) and tuning to achieve these numbers? I would really like to know how. I have called Motec and they said the only way is to run a dual ecu set up to retain certain stock functions due to the flexray protocol in the car.
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