18psi, do you mind expanding on that? I'm already set on a turbocharger setup but I'm curious as to the differences that are not on a spec sheet.

SC's have their benefits, but turbos are faster, generally. I built a really nasty SC setup a couple years ago with the hopes of having so much power from a blower, that I'd be happy with it. Made about double the whp of a FFS kit (350-370whp). Turbos are where it's at, my car is now turbocharged. The only thing the SC did better was response and time to boost as it was instant before, now the turbo has to spool.

FFS is for someone who wants PNP, easy, reliable, but has low expectations for power and performance. His setup is designed to throw down 180-200whp reliably and they do that, but that's it. Pretty much any turbo setup can outperform the FFS in terms of power.

Literally any.

FFS life is living in constant fear that you'll never come across a well-sorted SR20 turbo'd 1.6 NA at a stoplight.

should have just added a 6th injector.

Now here is some truth...some young men need to measure their dick$ one stop light at a time. Maybe that is what "junk" meant. As in, how long is your junk? Let's pop your hood and find out.

I believe this is the issue...

https://forum.miata.net/vb/showthread.php?t=646984

Thanks for posting that thread. That was the last one I read before my purchase. I think the water injection solved the issue along with some 100 octane for tracking the car, if that is your desire. I saw the issue as solvable given the testing.

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Best way to think your junk is adequate is to never compare it to anyone else's junk ;)
so basically going to great lengths and spending significant money to fix a problem that shouldn't be there in the first place? ok I guess

what about the people that required rebuilds after just a handful of track days because these units just can't handle proper track use? is that also a non-issue?

its part of the yo-yo design.

I considered buying one at one point, and a big turnoff for me was the fact that you pay over $5000 for something will be worth about $500 as soon as it ships. The components you buy for a turbo kit have actual inherent value individually. The components that come with the FFS kit have nearly zero individual value, except for maybe the blower itself. Plus, you're paying the same money as you would for a top dollar turbo kit that could easily make over 350 hp on a built engine, for a system that tops out at 200 hp and it doesn't even have an intercooler or an ECU, not to mention the questionable thermodynamics involved with the 5th injector. Basically, you're paying about $4000 for his cast intake manifold. Just doesn't seem like a good value to me, even leaving aside the turbo vs super question.

I'm going to say those were likely the result of a bad tune. Back in the day, I tracked my FFS setup for a couple of years until the blower seized its rotor bearings and blew up. Everything else was fine. Blowers do not like extended periods of WOT.

True, the value of the kit is more than the sum of its parts, but for those in CA, CARB is valuable if you don't want to deal with periodic uninstalling/reinstalling of the full kit for smog testing. I have no horse in this race and have owned a FFS kit and now have a turbo. The supercharger was great for autox and the turbo is better for trackdays. The value of whatever you choose depends on your intended use and desired power level.

Like I said, there are some legitimate arguments to be made regarding these kits. There use for tracking your car, as shipped, may not be advisable. I grant you that, and I think the posted thread speaks to it.

That said, there are off the shelf turbo kits that will not withstand track use either. Whether it be inconel studs, v-bands, etc...some kits need to be beefed up to handle the increased heat tracking produces. Of course, there are kits that can handle frequent hpde and competition use.

​​​​​​In terms of "great lengths"...once again, I think you are exaggerating. Adding water/Meth is "great lengths" now? Swapping in an MS or using 100 octane is "great lengths"? Maybe if we were talking about swapping manifolds or blowers, I might agree. The mods above seem like standard fare when considering hard use.

Again, I street and autox my car. It fits within the intended scope of use for these kits.
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I just want to know how to install an intercooler with one of these kits. That's all.

And if Megasquirt can even run one, because of the additional injector?

You would've to run some sort of air to water heat exchanger between the blower and manifold. Good luck with that! In terms of MS, I imagine you could convert to water/Meth and use it to control that rather than the fifth injector. Although, I am no MS expert.

Frankly, doesn't sound like this kit fits your needs.

NC cold side supercharger kits are intercooled. Why not this one?

Is MS not capable of running a 5th injector?

I've seen 1 or 2 intercooled coldsides on na/nb before. I think FM messed with one for a while but gave up

Assuming you're being serious ;-)

The lack of intercooler is inherent to the design of the kit; I don't think it's physically possible to intercool it. The blower is on the coldside, mounted directly to a special intake manifold; the air goes through the filter, through the blower, and directly into the intake...there's no way to route the charge air through an intercooler.

Enter the 5th injector. As I understand it, the main purpose of the 5th injector is to cool the air, supposedly eliminating the need for an intercooler. The extra fuel absorbs heat out of the charge air by evaporation (I think this may be oversimplifying it, but I don't feel like reviewing my thermo books to hammer out the details). Anywierd, there is some debate as to how effective this actually is; supposedly it's fine up to 200 hp, but it gets dicey above that.

I'm sure an MS could be made to run it, if you understand the circuitry well enough. Essentially, I think it would just be a 5v high/low signal telling the injector to open and close, using the crank or cam sensor for timing. However, now you've spent $6000 for 200 hp without the possibility of intercooling and no way to increase the power without potentially thwarting the jury-rigged cooling technique. Still seems like poor value to me.

***edit***
Vlad responded while I was typing. I'm sure there's a way to have a coldside, intercooled SC, but you would have to ditch the FFS manifold.

Lol dammit Nick, i wasn't trying to bait you. I was jokingly referencing the "MS + FFS OMG HOWWWWWW!?!?!?!?!" threads on M.net.

Haha, dangit...now I feel silly.