Nt Off-topic

[ancullen]

As long as it does the job with my twinscrews. :yes: I want 150rwkw from a 4A-GZE, no turbos. Eventually I'd like to push towards 200rwkw, but that will require cams and head work. Probably will need a different plenum by then too. :D

Edited July 3, 2008 by ancullen

[wasfishing]

As long as it does the job with my twinscrews. :wave: I want 150rwkw from a 4A-GZE, no turbos. Eventually I'd like to push towards 200rwkw, but that will require cams and head work. Probably will need a different plenum by then too. :lovin:

 

do u listen to urself?????

150 kw :yes: look at the 2nd last 2 one sc12 one sc14

 

http://www.toymods.net/forums/showthread.php?t=23329

 

could easily do 150 from a sc14

 

:D

Edited July 3, 2008 by wasfishing

[Pure-SX]

Hehe, all this bitching about superchargers makes me sad :yes: :D

 

Turbo :wave:

 

And Shane stop bitching about calculating boost and shit with superchargers, whack on a turbo and dial the boost in :lovin:

[ancullen]

do u listen to urself?????

150 kw :yes: look at the 2nd last 2 one sc12 one sc14

 

http://www.toymods.net/forums/showthread.php?t=23329

 

could easily do 150 from a sc14

 

:D

I'll stick to my conservative estimate of 150rwkw. Remember my engine only made 87rwkw on Hi Tech's dyno, so a 72% gain would seem big enough for the moment.

 

As for the second last dyno reading, take a look at the other modifications the guy has made: Autronic SMC, 98-octane (mine was on 95), and custom 3" intake piping. I also don't understand how he can claim 9psi and such a high power figure. The whole point of going to an SC14 is to make more boost, not less.

 

Anyway, with the twinscrew, I would hope to make 150rwkw on about 16-18psi. With the further modifications I have planned, including quad throttles, custom plenum and intake piping, 440cc injectors, bigport head with porting & polishing, big valves, and big cams, I would hope to get 200rwkw. Only time will tell though. And really I don't even need 200rwkw, as 150 would be HEAPS in the TA22.

[ancullen]

And just for reference, here is my dyno chart from when Lola went to Hi Tech:

 

 

As you can see, even though it only peaks at 87rwkw, it's FAR smoother than the 143kW chart in the Toymods links. Also, just a thought - my boost is still limited to 10psi through the ABV. I would think that delimited (up to 12-13psi) it should come close to 100rwkw.

[ae174agze]

adam ur plans are too big u better get a house lone ahahaha

 

turbo 4agze 150 wrkws is a walk in the park

[Pure-SX]

Tis a very smooth curve ;).

 

Will be good to see the TA22's power figure. Get it done ;)

[wasfishing]

As for the second last dyno reading, take a look at the other modifications the guy has made: Autronic SMC, 98-octane (mine was on 95), and custom 3" intake piping. I also don't understand how he can claim 9psi and such a high power figure. The whole point of going to an SC14 is to make more boost, not less.

 

just wana point out he has after market ecu so do u, and apart from that only diff is the cooler and intake and the 98 ron fuel, end

 

 

i want 150kw from my sc14

[Pure-SX]

Drivetrain loss my friend, drivetrain loss. Nuff said.

 

Levin will be on the truck on Wednesday if all things stay the same ;)

[wasfishing]

i was relating it to a sprinter...

 

dam i wnat to see it goo wwwoooossssshhhhhh

[Pure-SX]

Turbo the MRTurd then.

 

Adam's aftermarket ECU is also a bloody old one ;)

 

Also getting Superstrut Calipers(coming with the levin)

Edited July 4, 2008 by Pure-SX

[ae174agze]

yeah mt8's are old and from what i've herd smeg

i was speaking to a very reputable engine builder who came up from qld, who built about 4 or 5, 300 - 550 rwhp sr20 silvers

 

autronic sm4, and any motec are the only ecu's he'll ever use and he seemed to know what he was talking about really clever fella he was, works for Toyota now

 

 

and with that power figure on the sc14 wouldent it flow more air at the same psi

Edited July 4, 2008 by ae174agze

[Pure-SX]

I was thinking the same thing,

 

as the SC14 is flowing more air, it would make the same power with less PSI, making it stress less/more efficient yeah?

 

meh TARBO!!!

[ae174agze]

me and steve have the force

[ancullen]

Also getting Superstrut Calipers(coming with the levin)

I've already got Superstrut calipers installed. :D Then again, I've already got Superstruts installed too. :yes:

 

 

and with that power figure on the sc14 wouldent it flow more air at the same psi

Fail. :D

 

Boost is related to the size of the engine, and the volume of air being induced by said engine.

 

A four cylinder four stroke 1.6L engine running at 7,000rpm will naturally suck in 5,600L of air per minute at 100% efficiency.

 

An SC12 supercharger (1.2L volume) running at 1.25 times engine speed will be running at 8,750rpm when the engine is at 7,000rpm. At this speed, the supercharger will be creating 10,500L of air per minute (at 100% efficiency).

 

Therefore when the engine is at 7,000rpm, the supercharger will be creating 4,900L more air than the engine is inducing.

 

The air the engine would suck in on it's own is at atmospheric pressure (at sea level), therefore 1 bar (14.7psi).

 

Therefore, the supercharged air is being compressed to 10,500/5,600 times atmospheric pressure. This means it will be pressurized to 1.87 bar (27.48psi).

 

Boost pressures are recognised as the air pressure above atmospheric pressure, therefore the boost is 0.87bar (12.78psi).

 

Therefore when a 4A-GZE is at 7,000rpm, an SC12 will give it up to 12.78psi of boost. It will actually be slightly more than this, as a 4A is 1.587L, not 1.6L, but you get the idea.

 

If we now swap the SC12 for an SC14, we get the following:

 

SC14 volume: 1,420cc

Supercharger to crank speed ratio: 1.25

Air produced by SC14 @ 7,000rpm (engine): 12,425L

Pressure ratio: 12,425/5,600 = 2.21

Boost: 1.21 bar (17.78psi)

 

And just for arguments sake, here's what a Mazda twinscrew will do:

 

Supercharger volume: 1,000cc

Supercharger to crank speed ratio: 2.0 (this supercharger can do up to 15,000rpm)

Air produced by supercharger @ 7,000rpm (engine): 14,000L

Pressure ratio: 14,000/5,600 = 2.50

Boost: 1.50 bar (22.05psi)

 

Please remember the above figures assume 100% efficiency for all components. If anything, the Mazda supercharger will make more boost than the SC14 as it's so much more efficient.