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*****Fast Intentions Twin Turbo: OFFICIAL REVIEW THREAD*****

Originally Posted by Seb@SZ Yes, keep in mind that is per turbo so 2x 360HP is 720HP. I'm sure you knew that but throwing that out there just in case

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Old 05-02-2014, 11:16 PM   #11 (permalink)
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Originally Posted by Seb@SZ View Post
Yes, keep in mind that is per turbo so 2x 360HP is 720HP. I'm sure you knew that but throwing that out there just in case someone gets confused. We've done 720 whp on a VG30DETT with the GT2860RS turbos. This however was having to make close to 30 psi of boost. On the VHR engine it won't take anywhere near as much, we've done 630 whp on about 13 psi of boost so the turbo (GT2860RS) on the VHR *should* run out of steam around 18-20 psi. This is all in theory since we haven't taken this turbo this high on these engines (stock). Highest so far on 3071Rs was about 25 psi on a built lower compression engine (tturbo370z) which produced 800whp, however this turbo combo was slightly mismatched as it still used a T04B housing and "tiny" .64 AR turbine housing (T25).
Very good post

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Originally Posted by Alkatraz View Post
I checked and the 360hp max is listed on the Garrett website. Where they come up with there numbers, who knows.

Has anyone ever seen higher numbers than 650-700hp from twin GT28rs's? Everything that I have ever read says that 500-600 is what most people are happy with but then that is usually on smaller engines (RB's, 1JZ's & 2JZ's).

What turbo's do the high HP R35 guys run on the VR38's?
I have not seen any R35 GTR's with a GT2860rs turbo's its just not a good turbo for high boost 18 plus PSI. I have seen them run GTX 2867 and HTA 2868 turbos on those cars.
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