Alpha 9 Perfect Street Car

[RU EVO]

At the end of last year I made the final decision to finally take my 2010 GT-R to the next level from FBO E85 to Alpha 9 power on E85. I really did not have any specific dyno numbers to hit because I know its just simply a tuning tool and a comparison to baseline is all that matters. I also did not want to get disappointment in just a number. I wanted to let the real world numbers do the expectation building and placeholding.


The car was sent in for surgery at the beginning of February and the car was ready for break in by mid May. A couple weeks ago I finally was able to pick the car up from final tuning. It is making around 835whp/725tq. @ 27psi on E85 and on pump 725whp/630tq @ 21 psi. There is definitely more left on the table, but honestly the car is incredibly fast on the street.


The spool of the Alpha 9s is just incredible I really don't notice too much lag even when I was FBO E85. What I am more impressed with is the A9's ability to still keep pulling to 8k. I think that maybe aided by the head being built (not ported). Rick at Defiv Power Inc did a phenomenal job dialing the car in with both idle and power. In all honestly the car runs exactly like it did on stock turbos just with a ton more power to redline. This to me is the perfect street car setup with no compromises that can run with just about anything on the road.


I have a vbox sport arriving tomorrow and I can't wait to do some testing as we need to do more final tuning on the launch strategy. This car will be running only R888s. I don't want a DR or a slick. 1/4 mile goal is to trap 148-150 with mid 9s and 60-130 around 4.5 so we shall see.


My current Mod List is below.


Engine:

3.8L Built Engine

Tomei 256/264 Cams with Tomei Single Springs and Upgraded Valves

GT1R Catch Can


Trans:

Shep 2.5v2 Trans and GT1R Trans Brace


Turbo & I/C:

Alpha 9+ Turbos and Intakes

Visconti Speed Density Kit

Alpha Race Intercooler

Gotboost Piping and Tial BOVs (10psi spring)

AMS Alpha 4 Bar MAP sensor


Exhaust:

76mm SSP Downpipes and 90mm Midpipe and 90mm SBD Catback Race V1


Fuel:

ID2000cc Injectors

Dual 485 Pumps Hardwired and Stock Rails and Regulator

Gotboost Flex Fuel Kit and Fuel Pressure Sensor


Tuning:

ECUTEK Tuning done by Dietrich (Rick) Froehlic @ Defiv Power Inc