Journal of my road to Understanding How GT5 Turbos Work

[FastAShecK]

EDIT the thread has changed directions and a name change is in order...


Here is how it all starter:


What Engines That Have a Turbo/Turbo Upgrade Have the Highest Rev ability?


I'm basically looking for the Production car and the race car as 2 different examples. I'm after the engines with the highest rev ability, I guess red line and rev limit..

Thanks for any help in the matter

 

[mistersafeway]

I'd guess an old LM car like the 787B would be the highest revving turbo racer. Now we just wait for somebody telling me I'm wrong... hopefully with the right answer, not just gloating.

 

[kingstang5oh]

I'd guess an old LM car like the 787B would be the highest revving turbo racer. Now we just wait for somebody telling me I'm wrong... hopefully with the right answer, not just gloating.

I believe the P905 revs very high.

 

[Ridox2JZGTE]

Get a Formula GT engine and put a high rpm turbo + supercharger.

 

[FastAShecK]

sorry forgot to specify im looking for engine with no turbo stock, but a turbo kit non hybrid

Can the formula GT get a turbo normallly

 

[Ridox2JZGTE]

I think Formula GT can only get turbo via hybriding, try Honda HSV engine instead

 

[Renken95]

The spoon s2000 race car got a high rev limit

 

[FastAShecK]

The spoon s2000 race car got a high rev limit

Much thanks guys.

the main reason for the search is I'm checking turbo profiles to see what turbo (blower & boost) will give the most power on other engines.

So far simply adding a turbo from a small 4 banger to the R8 gave me a 100hp gain over the R8's high rpm turbo

 

[jgancherjr]

I'd guess an old LM car like the 787B would be the highest revving turbo racer. Now we just wait for somebody telling me I'm wrong... hopefully with the right answer, not just gloating.

I think he had the right idea with this one 👍 .. Just to add to it I believe any of the early 90's Rotary engine are gonna have the most gain and RPM's with the high RPM turbo

 

[FastAShecK]

I think he had the right idea with this one 👍 .. Just to add to it I believe any of the early 90's Rotary engine are gonna have the most gain and RPM's with the high RPM turbo

What Im noticing is a turbo that goes on a small low hp engine gives big power gains on high hp engines

for instance a turbo off a civic that goes normally from 190 to 257hp is about a 70% hp increase. But in the end on the civic only 67hp. I then add this turbo on a R8 replacing the R8's in game high rpm turbo and got close to an extra 100hp

R8 with the Civic Turbo and all the rest of the R8's normal power parts and at 21miles has 982hp

 

[jgancherjr]

If that's the case try the beetle 1200R .. It's about about an 80%HP gain

 

[FastAShecK]

If that's the case try the beetle 1200R .. It's about about an 80%HP gain

Sweet Ill check that out, currently breaking in the R8 to see what the hp tops off at.

 

[Ridox2JZGTE]

Looking for most gain for high rpm turbo I see ... beware that some turbo kit causes weird engine output and power curve. F40 and Yellowbird turbo kit has this issue when fitted other cars that originally NA. Try the high rpm kit from z32 Fairlady premium

 

[FastAShecK]

Looking for most gain for high rpm turbo I see ... beware that some turbo kit causes weird engine output and power curve. F40 and Yellowbird turbo kit has this issue when fitted other cars that originally NA. Try the high rpm kit from z32 Fairlady premium

Thats what Im noticing too and trying to see if its turbo, or boost setting based. Im at the same time looking for High, Medium, Low profile set ups (combos/mix ups) that provide turbo behavior on multiple cars with more power then STD options and boost profiles to match

Here is an example of what I'm talking about.

At first I was looking for biggest baddest turbos for high rpms. I put them on a Civic to see if they would blow away the puny little civic turbo, but it was the opposite, they suuuucked, no power it became a joke. So I flipped it, and put the civic turbo on the R8. Booyah Check this out.

This is a R8 with all power mods but NO Turbo installed (Mainly looking at the Power curve)

Now here she is after adding the High RPM Turbo that is available for the R8 regularly.

Now here she is with my High RPM Turbo Kit

An added benifit, is my High PRP Turbo Gauge goes to full boost and not 75%

 

[jgancherjr]

Here is an example of what I'm talking about.

At first I was looking for biggest baddest turbos for high rpms. I put them on a Civic to see if they would blow away the puny little civic turbo, but it was the opposite, they suuuucked, no power it became a joke. So I flipped it, and put the civic turbo on the R8. Booyah Check this out.

This is a R8 with all power mods but NO Turbo installed (Mainly looking at the Power curve)

Now here she is after adding the High RPM Turbo that is available for the R8 regularly.

Now here she is with my High RPM Turbo Kit

Nice, which cars turbo did you use if you don't mind me asking? .. Also have you try equipping the Super High turbo on the civic then using that setup on the R8 yet??

 

[FastAShecK]

300hp increase from no Turbo vs around 175hp increase (factoring break in) from STD STG 3 Turbo. Around 125 more hp... Sweeeeet!

Nice, which cars turbo did you use if you don't mind me asking? .. Also have you try equipping the Super High turbo on the civic then using that setup on the R8 yet??

Yeah the Ticket Turbo's I find most often worse than stock (pretty useless) That being the case with the Civic and Supra I've tried them on. Often with less HP and crappy power curve.

I used the Civic Type R Ek 97 Premium as my base 4banger originally to test big engine turbo's (And take the Ticket turbo from it) but the script got flipped on it lol its Turbo became the center attraction at SEMA lol


Im of the mind "less is more" I wont use HP Multipliers, but would like to get higher HP on cars in a realistic was as turning up the boost on a Turbo would do. 1000 Lambo V10's are not crazy out of this world, and 300hp of a GT35 is also not a crazy number.

 

[jgancherjr]

Yeah the Ticket Turbo's I find most often worse than stock (pretty useless) That being the case with the Civic and Supra I've tried them on. Often with less HP and crappy power curve.

I used the Civic Type R Ek 97 Premium as my base 4banger originally to test big engine turbo's (And take the Ticket turbo from it) but the script got flipped on it lol its Turbo became the center attraction at SEMA lol

Oh what I meant was put the Super high on the civic, then try that turbo "code" that the car gives you with that turbo equipped.

 

[FastAShecK]

Oh what I meant was put the Super high on the civic, then try that turbo "code" that the car gives you with that turbo equipped.

Ill swap turbo, then boost/gauge and post up results gimme a few min

Just to show you where I'm at

STD STG 3 Turbo for the Civic Nets 257hp

The Ticket Super High RPM Turbo gets 239hp

The Ticket Ultra High RPM Turbo gets 244hp

 

[Ridox2JZGTE]

Do a Twincharger setup, mid range torque and high rpm peak HP I got easy 1000HP out of stock non broken in Murcielago and some Ferraris this way, not even single other power upgrade except semi racing exhaust.

EDIT : Not exactly 1000HP but usually hovers around 800+ to 900+ HP. I posted some of them on hyrbid showcase thread, even made stock evo VI TME with over 700HP - not with evo engine though.

 

[Lewis_Hamilton_]

Try a stage 4 turbo from a Mitshibushi 3000GT. This car with all normally upgradeable parts, but added with a stage 4 turbo rather than a stage 3, jumps all the way up to 1150+HP!

I think the 3000GT normall gets up to 600-700HP, so there's probably at least a 400HP gain on this car. It launches like a mother', taking it on to the Acceleration test, it pulled 0-60mph in 2.2s, 0-100 in 4.2.s and completed the quarter mile in 9.2s all with a non drag setup. I couldn't believe my eyes.

 

[driftinziggy]

I've gotten a z32 to over 1000hp with the hidden parts

 

[FastAShecK]

I will post up the data as I colect it, but its looking as I suspected and my un noted test showed. Basically The Super and Ultra Turbo represent a lower power increase % this is reflected right over to the R8 hitting a Lower top HP. The power curve is murdered. Simply adding the ultra or super turbo kits to the Civic shows both of them slower to make boost (Need more RPM to spool bigger turbo) and makes less boost in the end making less HP, and much more RPM's needed to get on boost. Numbers will be posted soon

I'm currently testing if these changes are more impacted by the turbo used or the boost/gauge used

Check the results for the Civic for the moment

STD STG 3 Turbo

Super RPM Turbo

Ultra RPM Turbo

I've gotten a z32 to over 1000hp with the hidden parts

what is the % increase the turbo has over no turbo kit with respective numbers & what kit did you use?

All Turbos used in this test are from a EK Civic Type R 97 STG 3 & Ultra

Ultra turbo + Ultra Boost

STG 3 Turbo + Ultra Boost

Ultra Turbo + STG 3 Boost

STG 3 Turbo + STG 3 Boost

 

[jgancherjr]

Just went with the 97 civic High RPM turbo on the Escudo.. Lost 28hp lol

 

[FastAShecK]

Just went with the 97 civic High RPM turbo on the Escudo.. Lost 28hp lol

Interesting, whats the STG 3 escudo power increase percentage? Also did you use the turbo + the boost/gauge?

+ whats the power curve look like?


any thoughts on the results? Im taking a bit to plot out further test

Just went with the 97 civic High RPM turbo on the Escudo.. Lost 28hp lol

Your not swapping turbos correctly

I added the Civic turbo (STG 3 to the Escudo) and got 1421hp

Now we have to keep in mind a car that is boosted from the factory is a little weird. The Stock turbo does absolutely nothing use that code on another car and it wont do squat (as Ive found so far) The stock boost and power is in the engine code itself it is not a NA motor with a Turbo on it if you know what I mean, the boost character is built into the engine & turbo kits only add to this.

So you see the usual narrow power curve of the Escudo, that is a result of the turbo it has, but doesn't change much when a much different turbo is used.

Okay I tried the VeeDub Turbo and well its got 32hp, and after the turbo 83hp (its own stg 3) That is more than double the 31hp.

I added it to the Escudo to see if my theorie is correct, and well, look at this

More than doubles the HP of the Escudo although I havnt done the math, the percentages look somewhat consistent.

Darn, It just made the Stupid X1 even faster (O_O)

Here is the VeeDuB Turbo Kit on the R8

Its a little bit over the top, but I have a couple more I think might bridge the gap between the Civic Turbo

lol The VeeDub Turbo Spools at like 1500-2000rpm also, its nuts lol

So Im getting nice findings.

PARTIALLY the boost/Gauge code dictates what rpm boost kicks in, when and if it falls, turbo sound, boost gauge and gauge characteristics going along with how boost is applied. It also has an impact on how much power the turbo gives to some extent.

The Turbo dictates how much power the boost code will give.

Here is the VeeDub Boost setting with a Turbo from another car giving a higher power gain then the Civic turbo, but less than the VeeDub Turbo.

 

[jgancherjr]

Can you shoot me a Friend Request on PSN so I could chat with you? My PSN: jgancherjr

 

[FastAShecK]

Can you shoot me a Friend Request on PSN so I could chat with you? My PSN: jgancherjr

JBPS3 I dont go on PSN my GT is on 2.11 also But shoot me a PM & friend request

Alright so I went back to the Civic boost controller because I like how it spools up around 4500rpm vs the VeeDub Boost Controller that got spooled up around 1500rpm. The VeeDub just spools up way too quick

I then started playing with Turbos as I want a 500hp gain for the R8, I gave up looking for turbos off cars specifically and started playing with med and low turbos off the VeeDub and other cars I've been using & find the Turbo code also impacts where in the power band the boost will kick most. Seems like the code is 2 part (for the moment) first 2 digits are where its going to hit, the second 2 are how much. I decided to just start playing with these numbers to get the power level I want and came up with this

 

[Ridox2JZGTE]

There's also a code that allow an engine to have higher rpm range, I found it by accident months ago when trying to make a turbo sound works properly on ZR1 '09 with stock engine - it ended with 14k RPM rev limit and massive HP

 

[FastAShecK]

There's also a code that allow an engine to have higher rpm range, I found it by accident months ago when trying to make a turbo sound works properly on ZR1 '09 with stock engine - it ended with 14k RPM rev limit and massive HP

That happens when you blank the turbo and hp multiply maybe, I think it happened to my RBX1 I built to break the sound barrier. It acted quite weird but knocked the speedo at 999mph and was going faster. Not sure though, I steer clear of multiplier and crazy hp stuff

 

[Ridox2JZGTE]

That happens when you blank the turbo and hp multiply maybe, I think it happened to my RBX1 I built to break the sound barrier. It acted quite weird but knocked the speedo at 999mph and was going faster. Not sure though, I steer clear of multiplier and crazy hp stuff

I tried to put a turbo in, then I fiddle with supercharger code to try to make the sound works, after several fruitless attempts then I modified the separate boost code for the supercharger and the turbo code. It made 16000HP, then I modified the supercharger code again to have less than 1000HP but still with 14k rpm engine, the changes also works on other cars - I made the HSV engine to have 16/18k rev limit - it was very lethargic though.

 

[FastAShecK]

So what do you guys make of it?

Lots of data.

Anybody have a turbo kit they think can pull more HP than the VeeDub?

As for the 14k rpm stuff, that's for another thread I guess. The turbo code can glitch rpm and HP but I'm more looking for kits to manipulate power.

Ive gone over to the GTR Black Edition, building a new AMS Alpha-12 this time using my new turbos to get around 1500hp. With the Alpha 12 at 1500hp and the Alpha 12+ at 1700hp anywhere inside that range would be good for me.

The only other Hack mod I did was add the Racing Cat through a ticket, AND Kept my tires Street Legal Sport Softs.

Went on over to the Speed Test to See what the 2 little mods would do (Also, its important to note, Ive not glitched PP, the upgrade still result in a functional PP Rating

I tweaked the gears to hit 300mph, then I did the acceleration test with the 300mph gears right after, so by far not a drag tune. Mostly lost time on the 1mile as my 6th gear is stretched to hit 300mph.

To give you an understanding of what has me so interested in this as everybody can just mod the hp to whatever they want anyways.

Here is a GTR Black Edition, with all the parts, just like my other one & I installed the same 300mph gear set. Only this time I have the GTR's STG 3 Turbo and used the HP multiplier to get 1561hp

I need to add downforce to stop the car from just mysteriously spinning out at 185mph. ???????

I Refuse to accommodate the hp with DF when I do not have to...

I Then use the power limiter some more to keep dropping power until she can stay going straight. I go all the way down to 865hp, and at 162mph she just spins out.

The HP multiplier just does some weird stuff, yeah you go fast, but need to hack in downforce, LMP Chassis, or grip to keep them going straight. Its just waaay to BS to be useful at all. The Turbo Swaps however make usable power that doesnt come with all the weird quirks HP multiplying does.