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I'd be looking at the mentioned EFR kit, room to turn it up if decide on e85 (which we know you will) and be super responsive and fun on the street.

OR

https://v8roadsters.com/product-category/engine-conversions/engine-conversion-lsx/engine-conversion-lsx-nc/?srsltid=AfmBOorrJa2S76JR5ekXprxBOtU44a1UProbe64YaiVi9zTVp1Lj814w

And add whooshy noise for extra fun

C5 corvette prices are coming down locally here and a mate has a manual one and is a heap of fun on the street and track.

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Gents, it will be getting the MX5 Mania kit and the 2.5 will be staying where it is

My query was about the 0.64 or the 0.86, whilst the 0.64 might spool a bit faster, would the 0.86 be better IRT EGT and mechanical sympathy, with only a small difference in spool

And as I assume I won't need alot of boost to get to 200kw, probably around 10 psi, and with max rpm at 6500, would high EGT even really be a issue with a 0.64

I'm heading into MX5 Mania at the end of Jan to discuss the install, so any info is welcome prior to that

Basically have a chat and book a time so they can throw on the turbo kit, and fit a oil cooler with a thermostat, drive in drive out of course 

In other news: just finished cleaning the car inside and out, it's now all ready to get covered in bugs and dirt driving to Goulburn tomorrow to lunch,  and go for a stroll along woolondilly River with the daughter and her boy, and of course, visit my grandcats and my new grandpuppy 

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3 hours ago, The Bogan said:

assume a more linear power delivery would be better for engine and drivetrain reliability as well, IRT the torque load at lower RPM???, as well as lower EGT's???, if my understanding of that is correct, have I got that right???

You are correct, the earlier the torque, the earlier things snap

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38 minutes ago, The Bogan said:

Gents, it will be getting the MX5 Mania kit and the 2.5 will be staying where it is

My query was about the 0.64 or the 0.86, whilst the 0.64 might spool a bit faster, would the 0.86 be better IRT EGT and mechanical sympathy, with only a small difference in spool

And as I assume I won't need alot of boost to get to 200kw, probably around 10 psi, and with max rpm at 6500, would high EGT even really be a issue with a 0.64

I'm heading into MX5 Mania at the end of Jan to discuss the install, so any info is welcome prior to that

Basically have a chat and book a time so they can throw on the turbo kit, and fit a oil cooler with a thermostat, drive in drive out of course 

In other news: just finished cleaning the car inside and out, it's now all ready to get covered in bugs and dirt driving to Goulburn tomorrow to lunch,  and go for a stroll along woolondilly River with the daughter and her boy, and of course, visit my grandcats and my new grandpuppy 

You ask for things.
You specifically state you want responsiveness.
A link was provided for a far superior, more responsive option.

Find a MX5 workshop that will install it for you. Maybe MX5 Mania will throw on the Fab9 kit. It seems they want to charge almost 14K installed for their kit, so if they charge you $6K to install the FAB9 kit then you'll be ahead?

Though really, the 2.5 with a 2860 running low boost will more or less feel as good as anything else. It's a lot of displacement and a small turbo. Think of a more modern RB26 with one stock turbo :p

TBH, truth be told I've been driving my own car, and use about 50% throttle at most for 99.9% of the time. Mr Bogan is likely similar so this is all going to be semantics for the use case he actually has. (He'll be happy with anything relative to now)

However, the EFR is hands down far superior in this use case. You really, really, really, really do notice it over the Garrett or equivalent.
 

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54 minutes ago, Kinkstaah said:

You ask for things.
You specifically state you want responsiveness.
A link was provided for a far superior, more responsive option.

Find a MX5 workshop that will install it for you. Maybe MX5 Mania will throw on the Fab9 kit. It seems they want to charge almost 14K installed for their kit, so if they charge you $6K to install the FAB9 kit then you'll be ahead?

Though really, the 2.5 with a 2860 running low boost will more or less feel as good as anything else. It's a lot of displacement and a small turbo. Think of a more modern RB26 with one stock turbo 😛

TBH, truth be told I've been driving my own car, and use about 50% throttle at most for 99.9% of the time. Mr Bogan is likely similar so this is all going to be semantics for the use case he actually has. (He'll be happy with anything relative to now)

However, the EFR is hands down far superior in this use case. You really, really, really, really do notice it over the Garrett or equivalent.
 

I had a look at the FAB9 EFR kit, around $8500 AU before delivery, so add in shipping, installation, consumables and tuning, I believe the price difference would be negligible 

And whilst I am paying top dollar at MX5 Mania, if I have any issues with the kit they are local for support,  and from my experience, will happily go out of their way to help, hell, I've purchased parts from them and asked "how do I install or remove parts" and they have fitted a few of them for free, this means more to me than saving a few thousand dollars

And yes, 99% of the time I just plod around in the car, that may change once I start hearing turbo whooshy noises, but, as I have 3 family members is the constabulary, even when I'm up it, it is only up to the speed limit, or occasionally, but rarely, overtaking on the Hwy (I just plod in the left lane typically and enjoy the drive)

Plus the kids would never let it go if I got booked speeding, Jackie is constantly getting critiqued by the kids about her driving, which I think is hilarious, and tell them that she is "bringing shame to our family", so heaven forbid if I ever got done speeding, after all my mouthing off about her driving, I would never live it down, and it would be another thing she would bring up any chance she got

Like the time I got drunk about 15 years ago and fell out of a cab, which gets brought up at least a few times every year since it happened

Good times

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