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Look what I found -
Kinugawa Borgwarner EFR Turbine Housing EFR-6758 0.85
https://a.co/d/isZi6AJ
Would that be a good compromise? Staying with the EFR-6758 but switching to a 0.85 hot side?
Has the added benefit of switching to a Vband on the manifold side and retaining the internal WG.
Daaammmmnnnnn that's so noice 🥰
That'd cost me a small fortune to build locally.
I'm mostly getting "off the shelve" stuff from places like Yoshifab, ClassicSwede, KSR, MKM, KL etc.
I realize that some of the more exotic stuff needs to be hunted for more thoroughly but I need to put a cap on the...
I have an option to by a basically new EFR-7163-0.80-WG from a local guy for 1.3K USD. It has done under 2K miles on an Audi rs3.
Buying a new one, with a bigger turbine, will set me back twice that amount due to shipping and crazy 50%-60% local customs.
That's why I'm pretty limited in my...
Not very strong on pictures and documenting the build.
Have some potato shots, not very fresh though -
https://i.ibb.co/Gs8MXCc/IMG-20240109-WA0116.jpg
https://i.ibb.co/TYPFmF9/IMG-20240109-WA0115.jpg
https://i.ibb.co/smYHFfT/IMG-20230710-WA0065.jpg...
Also, double checked with my tuner. Apparently in this ^^^ Dyno run there was 24deg advance at peak HP.
Here is the ignition table -
https://i.ibb.co/6RytWQS/IMG-20240109-WA0071.jpg
For this
Dyno graph -
https://i.ibb.co/nMrb7Rh/1996-Volvo-940-2-3-T.jpg
I tried to make full sense of that'll calculator but TBH I must be missing some theoretical background to fully understand all of it.
Would that turbo, be a better fit?
https://i.ibb.co/rvbdyRD/Long-image-01-09-2024-16-57.jpg
It's a EFR-7163-0.80-WG.
It's a twin scroll. So I guess I'll have...
The turbo is declared to be 500hp capable by BorgWarner.
The car is a drift/weekend car and I like the low end agility more than the absolute top end power.
Eventually will drop in a set of Yoshifab's H-beams and hopefully turn it up to around 380-400whp with AEM water/ methanol injection - on...
Thank you for the tip. I was thinking about a cutout after the downpipe.
But really likely need a normal 3" exhaust that'll also sound better than the OBX.
I'm waiting for a pair of reground Camshafts from Yoshifab.
Will go to a full 3" exhaust when these arrive and go re-tune the car.
B230FK stock block (pistons hand drilled for 16v reliefs) + B234 head with Yoshifab valve springs and 16v conversion and ARP head studs
Elring HG
Turbo BorgWarner EFR-6758-0.64, internally gated
Huge IC from ClassicSwede
16v intake manifold and 80mm TB from KSR
16v top mount exhaust...
Okay so the forum search does reveal numbers but I'm not sure if the numbers kicked around are crank or wheel.
When people say 320ish - is that at the wheel?
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