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ae86drift
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icon3.gif  AE111 20V Carb's or Injection? Mon, 31 March 2003 11:34 Go to next message
hey everyone!

the big question here is Carbs or Injection?

id like your thoughts and reasons on this topic in regards to a fully worked (All TODA Racing internals, head work + blueprinted) 20v blacktop from a AE111.

its going into the 86 when it comes rom japan, just wondering what you think i should do and why?

should i disable the VVT and fuel injection and get webers and adjustable cam pulleys ?

with the 'mechanical' tuning instead of electronic will i still need an ECU? is there a "hybrid" way of running both? any of you racing guys had similar setups? or good combinations?

basically im looking for responsive mid-high range power and a beefy note from the engine and exhaust! dont worry about fiel economy, oh and it WOULD help its its street-able

thanks in advance for your input!


[Updated on: Mon, 31 March 2003 11:37]

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mrshin
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Re: AE111 20V Carb's or Injection? Mon, 31 March 2003 13:52 Go to previous messageGo to next message
aftermarket EFI for sure Evil or Very Mad
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haggis
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Re: AE111 20V Carb's or Injection? Mon, 31 March 2003 23:19 Go to previous messageGo to next message
I'd say stick with the EFI, but go for somthing like a Motec etc. That way you have much more control over the engine, and can get good feed back on what its doing.

Also, keep the VVT, its there for a reason! Dyno it with and with out, and see what difference it makes.

my 2 cents.

Craig.
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ae86drift
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icon1.gif  Re: AE111 20V Carb's or Injection? Wed, 02 April 2003 04:20 Go to previous messageGo to next message
i want a toda racing N1 if i keep EFi on the 20v
dont want a motec, they are f'ing brilliant but im going for the japanese/race parts, just to be different

any more opinions?
why not carbys?

i mean im putting 10000+ into this car/engine

eg.

TRD Vibration-Suppressing Engine Mounts

Blitz G-6 TOYOTA M/T speed limiter bypass

High Quality Denso Iridium Spark Plugs Platinum

500cc SaRD Injectors

Cusco Oil Catch Can

Toda Racing metal head gasket

Toda Racing Billet Camshafts (Duration - 320 / Lift - 10.8 )

Toda Racing stainless valve train kit (springs & valves)

Toda Racing Adjustable Cam pulleys (disables VVT)

Toda Racing 5 Valve High-Compression forged pistons

AE111 (Bore - 82.00mm / Displacement - 1,627cc / Compression - 11.8 : 1)

TRD Oil Cap (Kanji)

TRD Radiator cap

Magnecor Full suppression 8mm blue silicon ignition leads

Setrab oil cooler. (core = 7.5" x 13" x 25 rows)
o Aeroquip 10AN Socketless hose and fittings
o Perma-Cool #181 Sandwich Adaptor (3/8" FPT ports and 3/4" -16 thread).

would carbies still not be a good idea with this racing spec hardware?

[Updated on: Wed, 02 April 2003 04:23]

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mat_lennon
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Re: AE111 20V Carb's or Injection? Wed, 02 April 2003 04:52 Go to previous messageGo to next message
In my honest opinon a very well setup efi system should always come out on top of the carbs. It will probably work out more expensive in the end but for tuning purposes i beleive more power and a better driveability could be obtained with efi. That said nothing beats the induction sound of twin sidedraft webbers on full throttle. To have so much work done to the motor i feel you would sell yourself short going with carbs.
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ae86drift
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Re: AE111 20V Carb's or Injection? Wed, 02 April 2003 05:02 Go to previous messageGo to next message
ahh right

any technical reasoning as to why i would be selling myself short

i mean i was looking to get the toda ECU set for 5500
or
keihin flat-slide FCR 41mm carburetors for around $4000

i mean they are both about the same
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mat_lennon
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Re: AE111 20V Carb's or Injection? Wed, 02 April 2003 05:11 Go to previous messageGo to next message
Basically from a tuning perspective. The ability to "plug n play" tune your car on a dyno or even "street" tuning i beleive far outweighs having to change the jetting in your carbs. Once you start using more exotic carbs you can expect to pay big bucks for someone to have the required tuning jets and then manage to tune the carbs spot on. Basically all im trying to say is sure a very well setup will come close to lineball with a an efi setup. But unfortunately these days very very good carb tuners are few and far between. But nowadays efi tuners are plentiful. With such features as tuning throttle position against air flow against rpm, i beleive you will achieve a much more satisfying (on driveablilty, fuel consumption and even power) result. But hey its your project and what you want you should get. My advice is ring a few tuning shops around the area and ask their opinion.
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plugger
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Re: AE111 20V Carb's or Injection? Wed, 02 April 2003 13:04 Go to previous messageGo to next message
Hey there,

sorry to change the subject here. Just wondering -if you don't mind- how much that beast of an engine is costing you? Did you get a front cut or just the engine?
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ae86drift
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Re: AE111 20V Carb's or Injection? Wed, 02 April 2003 22:16 Go to previous messageGo to next message
well lets add it up

front cut to start with is $4000 - $1500 to fit & tune

TRD Vibration-Suppressing Engine Mounts - $170
Blitz G-6 TOYOTA M/T speed limiter bypass - $300
New High Quality Denso Iridium Spark Plugs Platinum $40 ea ($160 total)
500cc SaRD Injectors - $300
Cusco Oil Catch Can - $200
Toda Racing metal head gasket - $400
Toda Racing ‘Billet’ Camshafts (Duration - 320 / Lift - 10.Cool
• Intake - $750
• Exhaust - $800
Toda Racing stainless valve train kit (springs & valves)- $1500
Toda Racing Adjustable Cam pulleys (2 timing gears / disables VVT) - $600
Toda Racing 5 Valve High-Compression forged pistons - $1500
• AE111 (Bore - 82.00mm / Displacement - 1,627cc / Compression - 11.8 : 1)
TRD Oil Cap (Kanji) - $100
TRD Radiator cap - $90
Magnecor Full suppression 8mm blue silicon ignition leads - $150

Setrab oil cooler. (core = 7.5" x 13" x 25 rows) - $200
Aeroquip 10AN Socket less hose and fittings
Perma-Cool #181 Sandwich Adaptor (3/8" FPT ports and 3/4" -16 thread).

$12520 total give of take a $1000 for new/2nd hand bits

then theres $4000 for the ECU or carbs on top of that

its a lot but when nothing newer appeals to you, you have to make what you love competitive! Smile

the cars totalcost is $49490 fully worked
thats all parts impotred and everything redone, think of it as "the works". hopefully be able to win some races when its "all" done. hehehe


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gianttomato
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Re: AE111 20V Carb's or Injection? Wed, 02 April 2003 22:41 Go to previous messageGo to next message
ae86drift wrote on Wed, 02 April 2003 15:02


i mean i was looking to get the toda ECU set for 5500


That might be all well and good in Japan, where they are going to be folk that can tune it (if it's tunable....I don't know it so I won't comment). For that price you can almost get 2 fully loaded Motec M4 ECUs (advanced ignition and tuning, datalogging and wide band lambda).
Do you really need 500cc injectors? Are you really expecting to make 300+ hp from your NA 1.6 litre engine?
I'd definitely go for a quad throttle EFI setup rather than the carb setup. The carbs look exotic, but so are the parts and people to tune them. TODA make a lovely setup for the 4AG, with a CNC milled manifold.
Should be good to see. A friend runs a stock black top 20v in his KE25 - it always wins its class at the sprints.
http://members.optusnet.com.au/gianttomato/Sprints/KE20%2020V.jpg
Good luck!

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ae86drift
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Re: AE111 20V Carb's or Injection? Wed, 02 April 2003 22:55 Go to previous messageGo to next message
okay so im convinced on the fuel injection vs carbs question.

now the next question follows.

what ECU do you deem to be the best for RACING in australia?


gianttomoato:

yes 500cc injectors are required for what im planning to produce, no its not over 300bhp. or even close to actually. Crying or Very Sad it IS an overhead but im being safe here.

i havent listed intake/exhaust section of the cars plan but the toda intake set is in there for the EFI option.
in response to your tuning staement. yes its tunable and TODA have 3 places in australia to tune their ecu's. 2 in NSW 1 in VIC.

this cars for racing not sprints or anyhting else so it needs to rev with 8-9 rpm all day. its really quality and reliability im after not straight up power.

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gianttomato
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Re: AE111 20V Carb's or Injection? Wed, 02 April 2003 23:03 Go to previous messageGo to next message
Get a fully loaded Motec M4.
Safe is good.
I should add his PI lap time is about half a second quicker than the same class in Improved Production. Unfortunately, it doesn't count as it was achieved in sprint conditions (rather than race). I think he's doing mid 1:54's.

[Updated on: Wed, 02 April 2003 23:07]

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ae86drift
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Re: AE111 20V Carb's or Injection? Wed, 02 April 2003 23:05 Go to previous messageGo to next message
details of 'fully loaded'?
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gianttomato
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Re: AE111 20V Carb's or Injection? Wed, 02 April 2003 23:10 Go to previous messageGo to next message
M4Pro, with wide band lambda. You can probably get away without the WBL (it's a 1K option), but I'd have a chat to a dealer/tuner first.
http://www.motec.com.au/m4pro.htm
PS if you look in the back of racing mags, occasionally these units pop up for less than 2K secondhand.

[Updated on: Wed, 02 April 2003 23:11]

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ae86drift
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Re: AE111 20V Carb's or Injection? Tue, 08 April 2003 05:31 Go to previous messageGo to next message
i rang motec

they said they can do exactly what i want for well $2000 less than toda

and they also said that toda N1 ecu's are exteremly hard to tune


looks like the motec might be the go after all Very Happy thx GiantTomato
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_Rivmasta_
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Re: AE111 20V Carb's or Injection? Mon, 14 April 2003 01:57 Go to previous message
If you're going with motec (and it is the best choice) dont piss fart around with distributors & tuners.

Talk to Bill Croft from unitech/unicap. He is a motec distributor and one of, if not the best motec tuner globally. He's tuned drag cars, V8 Supercars, 2Ltr touring cars and most recently the Lotus Esprit race team as well as a heap of Targa cars and almost every motec equipped off roader in Aus.

Even if you dont trust my opinion at least get it tuned by the same people you buy it from. They are the ones with access to the latest updates and Info. Middleton Rally tune as well as distribute (i think).

Bills no is 0247 774 006. The downside of using Bill? He is freelance and very much in demand so you'll need to fit into his schedule if you want his expertise.

Rivmasta.
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