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650HP Honda F20C Swapped Toyota Starlet | 800KG KP61 Aero Monster [TECH TOUR]


– With 650 horsepower from a turbocharged Honda F20 engine and only a touch over 800kg, there's no argument here that Angel's KP61 Toyota Starlet presents a fairly phenomenal package for circuit racing We're here with Angel from Horsepower Techs to find out what makes this car tick

So Angel for a start, when you are deciding on a platform for going circuit racing, power to weight, obviously that's key but you also want a bit of wheel base and track in order to make the car balance so maybe the KP61 with 650 horsepower wouldn't be my first choice, although I do love these cars So let us know where you mind was at when you were choosing this car – Well honestly being the car that it is, just being a little bit different than anybody else, love the car since I was a young kid, always loved the Toyota Starlets, any Toyotas overall, always wanted to have a right hand drive, so finally I got one I've been tracking her for quite a few years now and it was just time to make a little bit more power so – Before we get into the power, you have owned this car for a long time which you're just alluding to but it's got an interesting back story which I wanted to dig into a little bit

So it's got a bit of history here so can you tell us where the car came from and how you found it? – OK so basically the car came from Tokyo and actually they used to use it for a drift school So from the information they gave me back in 2000, they built 10 cars identical and basically for drift school, I was just lucky enough to actually go in the auction and I found it Right away when I saw it, I had to have it, I had to have it, brung it over and ever since it's been a great little car It just creates a lot of attention, I really enjoy feeling like you're in a gold car on steroids because that's basically how it feels when you drive it But no it's been great

– Now the condition that you bought that car in, I mean that's a pretty lucky situation sort of stumbling upon that on a Japanese auction site But it is essentially, other than the aero that you've added which we'll get into shortly, essentially was already the same with the wide body kit on it? – Yes actually these are the factory TRD wide body kit for it The car already had the paint job, it already came with a supercharged motor so it made 180 horsepower which was awesome, great to drive – Now that was with the Toyota 4AGZE engine? – Yes supercharged with a basically stock supercharger, it was completely stock And it was awesome to drive I mean it was really great

It just needed a little bit more for the application that I'm over here pushing it to actually track the car When it first came to me it still had the rear drum brakes, it still had the original brakes in the front so it was really hard to stop, and the corners – Yeah probably stuff that would be OK for a couple of laps when you're drifting but when you want to stop repeatedly from high speed lap after lap, you need a little bit more? – Yes and you know a lot of people will ask me why should I step on the brakes before to the point, it's like well I got to pump my brakes so they won't fade out Not everybody knew what was going on Not being the slowest, not being the fastest, it was just having fun and you know it was a crowd pleaser

– Let's talk about the current build of the car, I assume when you decided you were looking for more power, those 4AGZEs we're pretty intimately familiar with those back home as well and particularly the supercharger becomes the restriction there Not really able to make a lot more power with a 4AGZE with the stock supercharger Pretty common though to go to the turbo setup on the 4A base, you haven't gone that way though, why did you discount the 4A with the turbo – Well I mean it's kind of like I wanted to make a little bit more power because I had, later on I had more plans to actually build the car to handle the power RIght now I know she's overpowered at the moment

The motor, I just had it, I had all the parts, I figured why not, let's just do something a little bit different The fitment on the car itself, the motor looks, fitted really well But by being the platform it is, it's just basically reliable, fun and that's really what I was looking for To make good power and still keep it just fun – Now that F20C, obviously it helps that these come out in a rear wheel drive application so you've got the ability to run the matching Honda gearbox as well

But in terms of adding a turbocharger to what was a naturally aspirated two litre engine, what's been required in terms of the internal setup of the engine to cope with boost? – Well at the moment she is completely stock, at the moment The plan is basically, the motor's going to come back out, we're going to actually put forged internals, we'll probably keep it at the same power or less, we just want to rebuild it at this moment But the car's, I mean these motors are capable of making so much power, these motors are so efficient, it has a 3582, she pulls pretty good for what it is But again it is a lot of power for the weight, that's something that we're going to be working on over the winter, to actually dial her in really nice So for next summer we'll be able to compete

– Alright so talking about that power level, obviously when you've got a turbocharged engine at your fingertips, you've got the ability to adjust the boost and make just about within reason, whatever sort of powerband you want or power level that you want so let's start by talking about the electronics, and I'll sort of get into the boost control as well, what have you got controlling this engine? – Well what we like using for our shop is basically AEM It's a series two box, basically I have the Race Spec also from AEM The real nice thing about AEM is basically is it allows us to do everything that we need to, it's kind of simple for us because we're so used to working with AEM also – Now AEM have got their Infinity range, you're running the series two, their Infinity is their newer ECU although now that it's been out for a fair while, it's pretty well established, so what would drive you between the series two and the Inifinity? – You know honestly, I hope AEM's not listening to us because I really do want Infinity, the reason I use the AEM series two box is because really this whole swap I had in a different car so it was all available for me So basically it works, it works great and we kind of transferred everything over to the Starlet

But most definitely I would like to grow and really go with the Infinity but meanwhile it works so it's like if it works – If it isn't broken don't fix it of course Now what are you using there for boost control, are you doing this through the ECU or is that something separate? – No actually going through the ECU, I mean at the moment, today being SEMA, we also learn a lot by going around

Really we would like to get the Turbosmart, the new wastegate they released That'd be really nice, so we'd be able to control a bit better But right now it's basically all from AEM, we've just got three port boost controller on it Low wastegate pressure just because again, the car's making more power than it should for the body But again hopefully over the period of time we are able to use everything that we have thrown at it and still be competitive and fast

– Now again given the fact that you've sort of mentioned a couple of times now, you're basically making more power than you can put to the track Are you using anything there in terms of gear or speed dependent boost or are you looking at adding traction control at some point? – Yes we are looking at traction control, most definitely the car's still under development for next summer so we've still got little things that we have to do But most definitely I want to look into traction control, that's the main, the main goal right now is to dial her in for traction Making the power, great but the key here is going to be traction So we still have a lot of work to do but sooner or later it'll get there

– Now I did notice that on the top of the trans tunnel there you've got AEM's IMU or inertial measurement unit with G force as well as a gyroscope so can you tell us what you're using that information for? – Well I mean we want to do some data logging also so we are able to actually fine tune and basically get more data back for our suspension, G force, you know from the track itself It is something new that we're going to be experimenting with We have used it before, customer's car, but my own personal car, this is something that's going to be new for us So I'm hoping to get better data so we are able to actually fine tweak everything a little bit better – In terms of getting that data you've also got the AEM colour dash there as a driver display

Also what are you using for a central logging location, how are you logging that data? – This is something new so it's going to done next summer, we really haven't, I mean we played with the system, it's great, but right now one of the main reasons we used it was because even from before, never had a cluster, so never had RPM miles per hour, never had anything, it was all basically drive and just – Off feel – Just a feel so now it's going to be a little bit nicer and the input that we're going to get back, that's what we like to use back and dial the car in a little bit better – Now I just want to touch on the fuel system for the car as well, what fuel for a start are you running it on? – Well I'm using, basically for fuel system, I'm using Radium, great quality

– So that's the fuel cell in the back to start with – All the fuel cell, basically everything's related with fuel, except for the fuel rail that we made our own custom one But the fuel pump, the fuel centre unit, the fuel cell itself was from Radium, we are using One Ethanol, 117 octane which is the R and basically at the moment, we just try and get the motor a little bit cooler – Well ethanol definitely helps with that and also helpful when you are running still that stock F20C with a compression ratio designed for a naturally aspirated engine, you've added boost so yeah the ethanol's definitely going to be helpful there, making sure the engine's going to run reliably In terms of injectors, what are you running? – Injectors, I've been using IDs, 2000cc

And like right now basically we have two maps, so in other words we have a race fuel map and we have a pump gas so if we want to take it on the street and enjoy it, we could also do that so we just change the fuel and enjoy it on the street – Now in terms of the overall look of the car, it's impossible to not notice the significant aero and I'm guessing that's not how the car came out of Tokyo So can you talk to us a little bit about the aero development you've done on the car? – Yes so basically APR gave me, KC from APR gave me a lot of help to actually do a starting point of the Starlet Again same thing, they'd never had, for example the GT1000 APR wing they'd never had on a Starlet before So going back and forth, he actually helped me a lot where basically we are able to at least get it to a starting point

And then from there we'd get some feedback and see if we got to make any changes But the splitters, everything's from APR, the rear diffuser's custom made by us also It's adjustable, it has a 10 degree adjustment on it so there's quite a few little things that we did to actually improve it but again it's going to be so much to actually get it dialled in but once we do we are hoping to actually be really competitive on the track – Look Angel the car really is a work of art, I mean I've got a personal passion for older Toyotas, having gone through a few myself so it's really awesome to come here to SEMA and see such an extreme example Now you're running this car in the Gridlife Time Attack series

Obviously you've got a little bit of development to do over your off season, over winter but we wish you all the best for next season and we look forward to following the development of the car, thanks for the chat – Thank you so much and if you guys want to see more pictures go follow me on Horsepower Techs but yeah – Where could people go to find you at Horsepower Techs? – Howerposer Techs Instagram, Facebook And hopefully for next year, hopefully you guys can see us again, we have another project that basically we want to bring for next year – Can't wait to see it, thanks Angel

– Thank you, thank you so much – If you liked that video make sure you give it a thumbs up and if you're not already a subscriber, make sure you're subscribed We release a new video every week And if you like free stuff,  we've got a great deal for you Click the link in the description to claim your free spot to our next live lesson

Source: Youtube

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