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What's the maximum power for a MKIII?

5.5K views 111 replies 41 participants last post by  93turbo gxe  
#1 · (Edited)
Sorry if this seems like a silly question, but what is the maximum expected power that can be reached using a "normal" base MKIII Supra (any variant) engine?

I'm not really intrested it extact figures, I'd just like to see where roughly the engine will top out at with a budget of around $15000, not looking an extact parts list, just rough Ideas so I can work out if I should go for a MK3 or MK4.

P.S Sorry if this is in the wrong place or a thread like this has been done, I did use the search but found nothing :(

Thanks
 
#5 ·
depends on how deep your pockets are
 
#11 ·
DonBroadBand said:
I'm not really intrested it extact figures, I'd just like to see where roughly the engine will top out at with a budget of around $15000, not looking an extact parts list, just rough Ideas so I can work out if I should go for a MK3 or MK4.
You know this forum is for the real car right? There is probably a forum for Gran Turismo 3 that will show you what upgrades to do to get 1st place in a race.
 
#12 ·
If that's the case....get the mk4....you won't find the mk3 in Gran Turismo 3.....but you'll need more than 15000 to get 1st place. And make sure you get it black with black rims, cuz it looks badass in the replay's

I'm jus playin, but assuming you spend the few grand for the metal headgasket (which you'd wanna do if you want reliable power) then I'm just gunna guess anywhere between 350 to maybe 500hp. depends on if you wanna put ALL that 15 grand into making power....or distribute some of that dough into suspension, wheels, interior, etc.
 
#13 ·
with 15g's are you putting it into just the motor?
or is that like suspension and stuff

well say 3g's turbo kit
4g's built motor
1500 on fuel

1g (and that's to the extreme) on an exhaust

i think with roughly 10g's
600-700hp is within reach
 
#14 ·
wow 14 is young. dont you have to be like 17 or 18 to get your license in london? assuming thats london england? well the 7m is a good motor, has a few flaws but those can be overcome. the maxium power is basically another term for how deep are your pockets. 15k could just into the engine could get you easily to the 500hp mark. but thats assuming you dont run into any other problems. just search around and stuff and you will most likely find most of your answers. good luck
 
#15 ·
It really depends on your abilities as far as research, mechanical, and as a fabricator. I built an engine and then spent 7000.00 on upgrades the first time and I bought some nice stuff as far as intercooler kit, turbo, exhaust, intake, and fuel mods. I had a 450 rwhp capable car, but someone else had done all the research and developement. I set out the next time and researched turbo's, fuel systems, intercoolers systems, and exhaust. I spent 1100.00 on a turbo and shopped around and got a great deal on a manifold and wastegate(400.00 shipped from Japan) ,440.00 for injectors and 200.00 for a pump, and a grand in piggyback computers. The most important money I spent was 1500.00 for a TIG welder and now I build most of what I need. Once you figure in the clutch, one piece driveshaft, and original outlay for the engine work and parts I have somewhere between 7000.00 and 10,000.00 in my car excluding the first 7 grand worth of upgrades, none of which are even in the car anymore. The whole point of this is decide on a goal and do your research and be reseasonable about your abilities.
Sean
 
#16 ·
hehe this thread makes me laugh......max power out of a mk3? same as the max power out of any other car...... you got some big bills youll get some big numbers

on stock internals i think the record is like 650hp if im not mistaken
 
#18 ·
InvisibleMonkey said:
you will learn the hard way that people will make fun of you because you're younger here
No not really... i havent been and i turned 16 in august... i just try not to say stupid shit and be helpful. I dont post whore, i search instead of creating new threads, and i use the faqs before asking what is the best ___. I think ive been around since i was 14, I read all the shit i could and ive learned alot.
 
#21 ·
Not to be an ass, but it really depends on the type of power your talking about.

Short lived or long term? (N20 will give you lots of short lived power, but it's expensive to buy/refil the tanks, and they don't last long if your using them for serious power. Also if your ratios get too far off, things start melting. (Same for more boost, but you get the point.)

15k USD, or Pounds? (Or Euro's?)

Power you can have all the time, from a larger turbo, the right fuel system and other mods are not cheap, but I think result in a better setup.

Seriously if I was going to do it all over again, I'd start with a V8 powerplant. (Yes, I'm a heritic, but I have a 3.24L stroker 7M, and it's a nice engine and all, but for the money, I'd rather have more displacement, and turbo charge the engine while I'm at it. )

Buy a 9:1 CR LS3 engine, add a thicker head gasket to lower the compression just a touch more, replace the rockers with roller items so you can higher RPM with less issues and then have it breath through a GT42 turbo placed in the rear of the car like the STS setup does. Figure before the EFI costs, with a transmisison, and you doing the work, you might be able to just make it in the budget your talking about. (More like 20 to 25k is realisitic however.)

Good luck on finding that magic number your looking for.
 
#23 · (Edited)
www.7mpower.com

Notably missing from that site are Vegas Tony (822rwhp) and the amazing Australian MK3 making 722rwkw (950+hp -- Thanks Ian)


For all out power, you will want:

Built shortblock ($5000)
Built head w/ cams (optional until ~650rwhp) ($2500+)
custom front-facing intake manifold ($1000)
good IC ($750)
custom IC piping ($500)
Big aftermarket turbo and aftermarket tubular manifold with external wastegate ($3000-$5000)
3.5" or larger exhaust ($1000)
Big fuel injectors ($700)
multiple fuel pumps ($300)
Fuel pressure regulator ($300)
standalone EMS + tuning ($1500-$3000)
Big-power clutch ($1000)
a spare transmission ($500)
a spare rear end ($200)
sticky tires ($300)

$20,000 USD give or take a few thou depending on how much work you can do yourself. That ought to get you over 700rwhp...


If ~500rwhp is your goal you can run stock bottom end and head (but MHG + ARPs) and the following:

good IC kit ($1000)
Big aftermarket turbo and aftermarket tubular manifold with external wastegate ($3000-$5000)
3.5" exhaust ($800)
Big fuel injectors ($700)
upgraded fuel pump ($115)
Fuel pressure regulator ($300)
standalone EMS + tuning ($1500-$3000)
Good clutch ($600)
a spare transmission ($500)
a spare rear end ($200)
sticky tires ($300)

~$10,000 USD



If 400rwhp is your goal you can run the following:

MHG + ARPS: ($300)
good IC kit ($1000)
Bigger bolt-on Turbo ($1350)
Intake ($120)
3" cat-back ($500)
3" downpipe ($500)
3" Test Pipe ($60)
Upgraded fuel injectors ($600)
upgraded fuel pump ($115)
Fuel pressure regulator ($300)
Lexus AFM/SAFC II $400 + tuning
Good clutch ($500)

~$6000 USD


I'm sure I'm missing a few or many items so add a thousand or 5 to each list for things like gaskets and radiators and broken parts... If you can do all of your own fabbing you could knock off a few thousand and build much of the plumbing...
 
#24 ·
Hello again everyone.

Thanks for the help so far guys, on the whole, you guys have been helpful :)

Just to clear some things up:

Yes, I am to young to get a license and I do have to wait 2 and a half years before I can legally drive :(. However, this doesn't mean I can't spend my time now researching into performance modifications and Supras while I wait :) Then in about a year's time, I can dip into my savings/collage fund and buy the car and parts so I have a year to get the whole thing ready for me to drive it.

All the budget is in USD as I'm going to probably import everything (apart from the car) from the US due to the lack of high performance parts for Supras here in the UK.

I think I should also explain a little more about my question. I am aware that the power salce is almost unlimited on any car by using engine swaps, and I know that the Supra isn't an Exception, but I wanted to know what was the most that I could get just from a Standard supra engine without resorting to complete rebuilding the engine or even buying a completely new engine. So what I meant was what is the max that a normal supra can take without rebuilding (That should have been my title! :/)

Oh, and in case it helps, I'm most likely getting a 1G-GTE model (Twin turbo, 2.0 L 210 hp).

Thanks again