leita0

I would like to know if there is anyone with this turbo and how much power and it makes and how is it the spool.

I haved search but without much information.

Thanks

muoto

+1 Interested.

I'm looking to upgrade gt2871->efr7163 next

TurboTim

iTrader: (9)

This post reminded me i have an Indy 7163 lying around somewhere. Hmm...

Tran

This does look like it would be the pick of the T25 IWG turbos for 450hp or so.

A lot of people seem to make good numbers (better than 450hp even) on smaller turbos and turbines, but I think those really lean on the E85 to do that.

leita0

And about spool any info?

deezums

iTrader: (3)

I put one on a j35 with non ideal manifolds (stock) and it gets to ripping pretty much full tilt at 2,000 RPM, enough to blow tiny 13" tires off the dyno.

Can't imagine it'd be fun in a miata, but EFR makes all those handy flow calculators so you don't even have to do it the old napkin way. Plot it out, see what it says...

https://www.borgwarner.com/matchbot/

Ryan_G

iTrader: (8)

Miata2fast has my old car that has the v-band version of this turbo on a built 1.9l BP. He's been refining that car for a few weeks and will probably be able to give some first hand impressions and logs here soon.

18psi

iTrader: (76)

it will easily make 450 on e85 on a BP. how much more? don't know, last guy I tuned got scared to go any higher, car was insane

sonofthehill

iTrader: (1)

Even my car is pretty insane, that thing must be borderline uncontrollable.

leita0

And the spool its good?

Don t forget we only have 98ron in Portugal, and will be the main fuel.

At the moment i have 365hp with a good spool, my main thing is don t have to much lag.

My dyno

jonboy

Looks like those dyno numbers are flywheel horsepower, peaking at 303 WHP?

leita0

Yes!

The car takes 8 seconds from 100-200kph ( 60-130mph).

jonboy

As per the other thread, everyone here always uses WHP

300WHP is plenty quick!

18psi

iTrader: (76)

Is that a 6758 plot? if so, you still have a ways to go until you are maxed out, even on pump gas. so you can keep your quick spoolup and still pick up more power

leita0

No no this is my GTX2860R Gen2.

miata2fast

iTrader: (2)

I am getting the Mazdaspeed with a 7163 back on the road probably as early as this weekend. I will be reporting on it’s performance as soon as I work out the bugs.

leita0

Thanks.

andyfloyd

Looks good bro, same turbo I am using. I have found the compressor to be tapped out at 1.5-1.6bar and in order to make more power you need high octane or a bigger turbo. Mine is making 370whp at 1.5bar though with 100 octane, 335whp on 93 octane at 1.2-1.3 bar.

leita0

Any news?

miata2fast

iTrader: (2)

Not yet. Worked on a long list of maintenance issues this weekend to make it road and track ready.