Tuning a 1996 Mitsubishi Eclipse GST Spyder - Chasing 600 HP!

Dyno Tuning a 1996 Mitsubishi Eclipse GST Spyder - Chasing 600 HP!
RacerX Performance Tuning is back again at Countersteer tuning the legendary 2G DSM Mitsubishi Eclipse. This one is a stunning 1996 Spyder with a fully built 4G63T. (Build list below.) Running on E85 fuel we set our sights on 600 wheel horsepower.
We walk you through the car story, street prep tuning, and today's dyno tuning session.
Included is a Tuner Diary section with a brief tutorial on ECMLink to tune WOT fuel, boost, and MBT advanced timing.
Quick Links:
1:16 Spyder Back Story
1:44 Build List
2:31 Pre-Dyno Prep Work
3:44 Tuner Diary - WOT Fuel Tuning on ECMLink
5:30 Tuner Diary - Boost Tuning on ECMLink
8:04 Tuner Diary - MBT Advanced Timing on ECMLink
9:18 Final Dyno Results - Horsepower and Torque
9:26 Owner Interview
Just The Dyno Pulls Please:
00:59 Baseline Pull
05:08 WOT Fuel Pull
07:11 WOT Boost Tuning Pull
09:00 MBT Advance Timing Final Pull
Build List:
-2.3L Stroker 4G63T
-1G Ported Head
-Wiseco Boostline Rods
-Wiseco 1400HD Pistons
-Ferrea 6000 Valves
-BC 268/272 Cams
-Xona XR6157S UHF Turbo
-Walbro 450 LPH Fuel Pump
-Precision 1700cc Injectors
-Flex E85
-AEM 3 Port Boost Solenoid
-FP Race Manifold
-FP Exhaust Housing
-Ported Cyclone Intake
-Built Trans with Quaife LSD
-ACT 2600 Clutch
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[@StevenCR-ew1lm]

now thats a tune! 🔝🔝🔝

[@chrissdsm]

Great man. Love this content, man. Need more of the tuning on ecmlink, please..

[@Morgamania2]

Thank you sir!

[@jdxnc04]

As a side note, when running a 1g cas on a 2g ecu, you should uncheck the cylinder misfire check, it is very common to report a false misfire and shut down a cylinder, even though it's not actually experiencing a misfire. The 1g cas has a lower resolution than the 2g crank and cam setup and this causes some issues with the 2g ECU.

[@Morgamania2]

Yes sir! That's exactly what we did. Tribal knowledge 😁

[@MrKushinator420]

Nice man, I had a 98 GS pretty much base model version of this car for my first car, loved it, always wanted a turbo/awd one.

[@Morgamania2]

Hopefully you can get your hands on one soon.

[@MrKushinator420]

Maybe in the future, right now Im working on finishing a t5 volvo wagon, lots of fun.@@Morgamania2

[@IlianNachev]

Great job, Morgan!

[@Morgamania2]

Thank you!

[@anthonycarballo3954]

Hey, nice content, new subscriber here. Who built the transmission and what they did to it. Looking to make same around 600 horses. But my GST transmission I guess wouldn't handle it very reliable

[@jedpratte]

So i will add one thing here. I have been tuning ecm link sense 2009 have done hundreds of cars ect. Nothing in here is per say wrong but if you notice your lb/min of airflow looked like it max'd at mid 40lb/min. When doing SD to make that accurate i like to set VE to 100 at 5-5500rpm then adjust global fuel to hit 100 ve. Then do rest like you have. When doing it this way the lb/min will be very accurate vs HP on dyno. So say car makes 55lb/min, the car will make right at 550whp depending on dyno and compression ratio ect. To do it this way thought a person has to know what is a normal expected global fuel % to be able to tell if it requires a global number out of the ordinary as that would show a fuel supply issue. I have seen people do it much worse though then this video tuning wise with ecm link, More of a even though car is hitting the target fuel its calculation of air flow is wrong. This is the way us old boys do it so the air flow calculation match's hp.

[@Morgamania2]

All good feedback is well appreciated.

[@Bl00dwerK]

me tuning my ethernet adapter.

[@elijahprater9895]

Real question how much invested to get it to 600 hp

[@Morgamania2]

I can't speak to the actual cost but the build list is in the description so you can get an idea for the cost of the parts. Then add in labor and the tuning.

[@josetamayo3617]

Alot lol tf

[@whoismario]

Nice. What rpm where you transitioning the Cyclone at?

[@Morgamania2]

My man! Someone noted the Cyclone intake. But no, none of it has been plumbed yet to use ECMLink. Possibly in the future. With this turbo spooling up around 4000 RPM I'd activate it there and stop just before redline.

[@whoismario]

If he is back on the dyno it might be fun making passes with it open and closed and see what the data shows. I was thinking about getting one for my mild build but my 16g spools so quickly I’m not sure it’s worth it.

[@Alberts_Kviesis]

Tuning a 1996 Mitsubishi Eclipse GST Spyder - Chasing 600 HP! Yes and No. Until you compare or trade it for 3000GT VR4

[@Morgamania2]

Definitely two different cars for sure!

[@dannykyx2194]

"promo sm" 👍