5.0yote
AKA Bananana & 3.7Cyclone
- Joined
- Jul 18, 2015
- Threads
- 29
- Messages
- 619
- Reaction score
- 148
- Location
- Mansfield, MA
- Website
- www.youtube.com
- First Name
- Don
- Vehicle(s)
- 2016 Mustang Ecoboost Premium
- Vehicle Showcase
- 1
That may be true but Ford does not optimize for performance, its hard to claim that with a $600 turbo because that's what a stock drop in unit costs and it peters out about 400WHP, making it a very entry level unit, and it dies real quick mid 5K rpms. Hybrid turbos do not just get slapped together and here you go there is a fair amount of research and work that goes into them to ensure they can match a stock spool index but provide increased performance and efficiency using the same housing (albeit ported housing).The Mustang and Focus turbine wheels are basically the same design, but with the Focus turbine wheel having the full back disk and being beefed up a bit structurally to handle higher stresses. I think they may be different materials too with the Focus turbine being higher grade to handle higher EGTs, but I can't remember. They have the same blade geometries/aero. IIRC, the turbine wheel of the Focus turbo is the same as used in the turbos for the BMW M5.
Anyway, the Vargas Stage 2 turbine wheel is just an old school GT3071 turbine wheel which is a cut-down standard GT30 turbine wheel (60mm diameter vs. the cut down 56.5mm); it has a completely different blade geometry than the stock Mustang/Focus turbine wheels. The current Garrett GTX29 uses the cut-down turbine wheel you see with the Vargas Stage 2.
Yeah, I'm not a fan of hybrid turbos which cram larger than stock turbine wheels into the original turbine housings. The OEMs do a lot of optimization of the turbine housing/turbine wheel pairings to get the best efficiency. So by remachining the turbine housing to fit in a bigger turbine wheel than the housing was originally designed for, there are performance compromises. Not to say that you can't get decent performance, but just not the best compared to a properly designed pairing of housing/wheel.
What Ford did was they opted for low end performace to give you a GT like 1st and 2nd gear experience but with gas mileage in mind, and ultimately the stock EBM experience is just ok.
A V8 swap is just plain cool for so many reasons previously stated, those who keep saying its cheaper for a built 2.3 are crazy, it absolutely is not cheaper, after pulling the motor swapping it for the built one with labor being an added cost regardless if you pay someone or not, for a good built 2.3 minimum is 6K, not just forged rods and pistons, but better valve train, crank, ported heads, cams etc to get a higher red line, all said and done just to get without upgrading the turbo 400WHP its not a stretch to pay 8K for a complete 5.0 setup and do it yourself. and just do basic bolt ons. (or 12k for a used 5.2 which I found online too.)
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