Stuck on my build!! any advise, thoughts, ideas, welcomed..

[Ricardo]

I have a 2020 Supra model which I've tried to slowly convert into a street monster.. with lot of multiple spontaneous decisions I've caused myself some setbacks and now I am somewhat stuck with how to proceed next.. My goal is to make my car into a big HP machine that can be my daily and win some mexico runs when I can... but this is where I am at:

Currently installed mods: ams race downpipe. - ams cold air intake -flex fuel kit
(I had a E50 tune that made the car pull 450 hp to the wheels on mustang dyno but then got erased by doing the break recall)
So now my car is technically running on stock power which feels weak after having the tune..
I had my ECU UNLOCKED... so now im ready to get my power back...... here is where I am stuck and things get more complicated... I reached out to Studio RSR in LA and order port injectors, CSF intake charge air-cooler manifold and Pure 850 turbo.. I ordered these parts in September of last year and the Turbo is the only thing that has not been delivered to the shop yet and there seems to be no real ETA on when it will actually arrive.....
So now I am stuck because I have ordered the parts to make my car what I want it to be but without the Turbo I cannot accomplish anything until it arrives...

Is there anything I can do or add to the car before installing those mods that I still have waiting in order to make it more powerful and that will fit and stay on the car after adding the previous parts? I do not want to keep waiting until the Turbo arrives to get my power done because there is no ETA on it... ive waited long enough and hate having my car be stock.. I also want to have more power than what I originally had of 450, so that when I go get it tuned again, the results will be higher and can be more patient until the Turbo arrives..

Im also from the Bay Area so I cannot just go down to LA to the shop that has the parts to have them help me with all this..since its not just a simple 10 min drive..

Hopefully all this makes sense and any advise or ideas on what to add to my car would be greatly appreciated.. and it doesn't help that I really don't know much about cars so i'm totally lost with most of this stuff. thanks

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[Loco38SUP]

I think you can still move forward with the CSF Manifold and extra 6 injectors. This should allow you to run E85 without fuel starvation.

You should be able to hit 500whp with this setup on a Dynojet. Avoid Mustang dynos they’ll hurt your feelings all day long.

-RJM

 

[romanLegion9574]

If you're still using stock tires, I'd definitely recommend switching to another set that can better put down 450whp. Saying you make 450whp on paper is great, but not that meaningful if your tires can't handle any of it.

Also, if you want a fast car, you could always look at at the weight side of things and focus on improving the power-to-weight ratio. Lightweight wheels (this is a double bonus since this is unsprung weight), carbon fiber hood, racing seats, and more all lower your mass, which can translate to better acceleration.

 

[reNeglect]

I agree with Romanlegion9574, unless your drag racing or just want bragging rights modding/tuning/building a car is much more than just slapping on a bigger turbo and make xxxx power on a dyno.

you have to be able to put the power down, from tires/wheels, cooling (great choice on the csf manifold, i just got mines this week!), suspension to handle the power, and lastly brakes.

look at the new GT4 RS, it has 493hp but has a 3.2 sec 0-60, I’m on the same e50 flex and havent tested my 0-60 time, does anyone have any data or logs of a e50 flex tuned supra 0-60 time?

 

[Sereph102889]

I agree with Romanlegion9574, unless your drag racing or just want bragging rights modding/tuning/building a car is much more than just slapping on a bigger turbo and make xxxx power on a dyno.

you have to be able to put the power down, from tires/wheels, cooling (great choice on the csf manifold, i just got mines this week!), suspension to handle the power, and lastly brakes.

look at the new GT4 RS, it has 493hp but has a 3.2 sec 0-60, I’m on the same e50 flex and havent tested my 0-60 time, does anyone have any data or logs of a e50 flex tuned supra 0-60 time?

My car is tuned on MHD using an E40 blend so a more aggressive E50 tune would probably net slightly better results. All in all, this tune on MHD is incredible, I've had no issues with it, and it's hurt A LOT of feelings around here. I'm running Nitto 555RII's in the rear in order to get better traction. I've done a lot of quarter mile runs and 0-60 runs on some country backroads near where I live, but none on an actual drag strip so keep in mind everything I'm going to be posting, all of which are dragy snap shots, was all done on old, none-prepped surfaces, so my 0-60 could be quite a bit faster.

 

[suicidaleggroll]

If you've already unlocked the ECU after the brake recall and you haven't installed any new parts, is there any reason you can't just load your old tune back on? I doubt that would cost much at all and would at least get you back to your 450whp level while you wait for the turbo.

While you could install the manifold and injectors and run full E85 before the turbo, it would require two full tunes (one for the stock turbo, then a new one once you get the Pure 850), which is a bit of a waste IMO.

 

[zrk]

manifold and injectors

And you have to tune for this, and get the reflex (or.. AIC) dialed in. There is more to it than slapping injectors on the manifold and going.

 

[shownfu]

Do you have a port injection controller? I don't see that mentioned. You stated flex fuel, but if it's not the Motiv Reflex controller you won't be able to control the port injectors.

As mentioned above, you can install the port injectors and manifold. You can get a tune just for that to run full e85, but keep in mind you'll have to pay for another tune after your p850 install.

In the mean time, tires, axles, driveshaft, and even a trans build if you have deep pockets.

 

[Ricardo]

If you're still using stock tires, I'd definitely recommend switching to another set that can better put down 450whp. Saying you make 450whp on paper is great, but not that meaningful if your tires can't handle any of it.

Also, if you want a fast car, you could always look at at the weight side of things and focus on improving the power-to-weight ratio. Lightweight wheels (this is a double bonus since this is unsprung weight), carbon fiber hood, racing seats, and more all lower your mass, which can translate to better acceleration.

Adding the proper wheels and tires was going to be the next step.. I was just waiting to have the power mods done since for the moment what it has was able to handle the 450 fairly well.
-thanks for the feed back

 

[Ricardo]

I agree with Romanlegion9574, unless your drag racing or just want bragging rights modding/tuning/building a car is much more than just slapping on a bigger turbo and make xxxx power on a dyno.

you have to be able to put the power down, from tires/wheels, cooling (great choice on the csf manifold, i just got mines this week!), suspension to handle the power, and lastly brakes.

look at the new GT4 RS, it has 493hp but has a 3.2 sec 0-60, I’m on the same e50 flex and havent tested my 0-60 time, does anyone have any data or logs of a e50 flex tuned supra 0-60 time?

For the CSF Manifold, I just told the shop guy to get me whatever I needed to hit 700 hp.. and he was the one who got the 3 parts for me which were the injectors, bigger turbo and the manifold.. I saw some vids on it, so hopefully it all works out.

 

[Ricardo]

If you've already unlocked the ECU after the brake recall and you haven't installed any new parts, is there any reason you can't just load your old tune back on? I doubt that would cost much at all and would at least get you back to your 450whp level while you wait for the turbo.

While you could install the manifold and injectors and run full E85 before the turbo, it would require two full tunes (one for the stock turbo, then a new one once you get the Pure 850), which is a bit of a waste IMO.

I was planning on just re-flashing the tune, but thats were I want to find out if there is any performance parts I can add in order to keep building the car as much as I can before just re-flashing it with the old tune. Otherwise, I dont want to keep paying for different tunes every time I add something... like you said its a bit of a waste to keep doing different tunes.. plus its not cheap.

Just hope I can add the most possible, tune it, then once the turbo finally arrives, head down to LA and install the port injectors, manifold and turbo.. then of course do its final tune and be done

 

[Ricardo]

Do you have a port injection controller? I don't see that mentioned. You stated flex fuel, but if it's not the Motiv Reflex controller you won't be able to control the port injectors.

As mentioned above, you can install the port injectors and manifold. You can get a tune just for that to run full e85, but keep in mind you'll have to pay for another tune after your p850 install.

In the mean time, tires, axles, driveshaft, and even a trans build if you have deep pockets.

No, I dont have any controllers at all. Just have a regular Visconti flex fuel kit and that is It... The port injectors were ordered for me by the LA shop which I suppose included all the kits or controllers I need lol im learning as I go with all this.. just trying to minimize my spending and build it as efficiently as possible..

 

[romanLegion9574]

Adding the proper wheels and tires was going to be the next step.. I was just waiting to have the power mods done since for the moment what it has was able to handle the 450 fairly well.
-thanks for the feed back

You might want to get tires suitable for your expected output with the pure850 rather than get tires for your current intermediate setup, for cost savings.

I'll second everyone else, you might as well wait for the turbo, get everything installed at once, and go for one tune. Less downtime, and you won't be repeatedly paying for a tune.

For wheels, this was a cool read (the post author is HRE and one of the wheels in comparison is theirs, so take it with a grain of salt): https://mbworld.org/forums/c63-amg-...e-weights-wheel-horsepower.html#ixzz3QSBL4zv8

TL;DR is that lighter wheels will lessen losses from crank hp (which stays constant) to the wheel. That being said, you'll probably notice the weight difference more under braking and in corners.

 

[Ricardo]

You might want to get tires suitable for your expected output with the pure850 rather than get tires for your current intermediate setup, for cost savings.

I'll second everyone else, you might as well wait for the turbo, get everything installed at once, and go for one tune. Less downtime, and you won't be repeatedly paying for a tune.

For wheels, this was a cool read (the post author is HRE and one of the wheels in comparison is theirs, so take it with a grain of salt): https://mbworld.org/forums/c63-amg-...e-weights-wheel-horsepower.html#ixzz3QSBL4zv8

TL;DR is that lighter wheels will lessen losses from crank hp (which stays constant) to the wheel. That being said, you'll probably notice the weight difference more under braking and in corners.

I appreciate all the feedback.. that is why I definitely needed to reach out because I wanted to gather all the knowledge and best perspectives that I could. It does seem like I will just wait and maybe just go back to my regular tune since it wont be much cost.

I will take a look at the article because tires and wheels are up next.. just waiting to run down the ones I have since they only have like 10k on all 4..

 

[zrk]

just trying to minimize my spending and build it as efficiently as possible..

I'd throw this thought out the window. Once you're making enough power where you need to add additional injectors (and good lord, 700hp is your target, right?), this thing becomes an absolute money pit.

Also, you can easily get to 700hp without that $4k manifold, you can do it with just port for like.. half the price? Less than that.

You're also going to need a LPFP, Reflex, etc. These things add up. The cost of building a reliable 700hp Supra is definitely north of $30k.

And that's when things start breaking. The further you push the car, the more shit breaks. It's just how it is. Give up on minimizing spending.

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