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Location:
GoldCoast/Brisbane
Registered:
May 2002
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 Help with 20V AE86
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Wed, 07 August 2002 15:55
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Hi guys, I'm in a bit of a pickle with deciding what engine to put into my sprinter at the end of the year. I don't want it to be a WRX killer as I want it to be more of a well balanced car for my personal enjoyment through the hills of Tamborine Mt here in SE QLD, thus the lean towards the 20V.
The problem I have heard with this conversion is the damn location of the distributor. I don't want to cut a hole in the firewall "is it legal anyway?"
Also if I have to resort to getting an aftermarket ECU, will I most likely lose the VVT capabilities of the engine?? I am trying to get away with the original ECU and some cheap but effective way of getting around the obvious headache with the ignition system.
So please, if any of you guys that have prior experience or knowledge on how to get the 20V working on the standard ECU with the minimal of fuss in a AE86, I'm all ears!!
Thanks heaps,
Adrian!
PS. I'm not ruling out the GZE but I like NA and insurance for AE86's is getting high, let alone a Supercharged one!
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Location:
Newcastle
Registered:
May 2002
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Re: Help with 20V AE86
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Wed, 07 August 2002 20:09
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If you go for an aftermarket ECU you will still have vvt. But I'm not sure if an aftermarket ECU is legal anyway (especially in QLD). Apart from that I can't help you much, check with Justin (fergo30 he might know about the ignition/factory ecu thing.
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Location:
Newcastle, NSW, Australia
Registered:
May 2002
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Location:
GoldCoast/Brisbane
Registered:
May 2002
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 Re: Help with 20V AE86
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Thu, 08 August 2002 04:52
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Grant,
Yeah that was my point exactly man, that it would be a waste of money on aftermarket ECU as the original is such a good thing! 
By the way, what is the reason for aftermarket ECU's being illegal?? Only conclusion I can come up with is something about emissions. Is that right?
Thanks for the responses,
Adrian!
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Location:
Newcastle, NSW, Australia
Registered:
May 2002
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Location:
Sydney
Registered:
May 2002
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Re: Help with 20V AE86
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Thu, 08 August 2002 08:24
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there is a kit available to relocate the distributor cap to the front of the engine, running off the exhaust cam wheel, but its pricey... you could get something custom made i spose, but it still may not be cheap.
another issue is the water lines & thermostat housing which are also at the back of the head, which need a bit of fiddling with too... once again, a kit for this is available, but it aint cheap either.
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Location:
GoldCoast/Brisbane
Registered:
May 2002
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Re: Help with 20V AE86
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Thu, 08 August 2002 09:32
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Mr20Valve: Just out of curiosity, what setup are you using, both the ignition side of things and also the water pipework + thermostat????
Any pics you could send me??
Once again any help appreciated!
Adrian!
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Location:
Eastern Sydney
Registered:
May 2002
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Re: Help with 20V AE86
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Thu, 08 August 2002 11:17
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the water setup,and the dizzy dramas are the only headaches with fitting a 20v to a sprinter.
the dizzy problem is most easily overcome by using aftermarket management (I'm going for an SMC myself)and converting the dizzy to operate as a crank angle sensor,but this will need to be engineered,and EPA tested to be legal.
the std ecu is great of course,but to use one with the std dizzy in the normal position,means losing your heater core,and bashing a great dent in the firewall.
not running a heater is illegal as well for a road car,so you're kind-of stuffed both ways!
there is a kit to front mount the std dizzy available from japan,but as was said,is pricey-to the tune of three grand!
I've heard rumours that someone in Queensland has made up a module to allow the use of the crank angle sensor dizzy conversion with the std ecu,but have never seen one in the flesh,or been told the name of who's doing it. if someone could work this out,it would make this conversion a hell of a lot easier in the future for others.
the water system is a pain in the butt as well,but not as much as the electronics. you need to run a remote thermostat,and fabricate some piping to run the water from the radiator to the back of the head,where the main inlet is on the 20v. the setup is the complete reverse to the 16v engine.
there are plenty of pics floating around on the web of different ways people have solved this part of the install.
I hope to have my engine in by the end of october. when it's done and running,I'll be happy to post up pics.
Justin...
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Location:
GoldCoast/Brisbane
Registered:
May 2002
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Re: Help with 20V AE86
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Thu, 08 August 2002 22:32
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OMFG $3K for a distributor relocation kit???? 
Rather get a MOTEC and program the shiznit out of the engine and future engines, that I may own!
Ok just out of interests sake, how much should one be paying to get a 20V into a AE86 with an aftermarket ECU, lets say the SMC.."is it made by Autronic?" up and running?
thanxs,
Adrian!
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Location:
Sydney
Registered:
May 2002
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Re: Help with 20V AE86
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Fri, 09 August 2002 04:00
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ill see if i can dig up some pictures for ya...
its a pretty tight squeeze back there.
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Location:
Newcastle, NSW, Australia
Registered:
May 2002
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Re: Help with 20V AE86
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Fri, 09 August 2002 04:35
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SMC costs close to $2000 with latest autotune software. Allow another $500 for tuning (if they know what they are doing) and a further $300 - $500 for wiring. If your really going to spend that I'd be more tempted to save my money and buy a RWD 3SGE Altezza motor and 6 spd gearbox. I've seen these advertised for $5k.
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Location:
Melbourne
Registered:
August 2002
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Re: Help with 20V AE86
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Mon, 12 August 2002 14:21
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Hi,
So I've got a question while I am reading this.
So cutting a hole in the firewall will definitly disable the herter, is this right??
Just to get some more info about deciding which engine to go in.
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Location:
Melbourne
Registered:
August 2002
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Re: Help with 20V AE86
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Mon, 12 August 2002 14:22
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sorri, wrong spelling.
I mean disable the heater.
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Location:
Newcastle
Registered:
May 2002
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Re: Help with 20V AE86
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Wed, 14 August 2002 06:51
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Yeah RWD 3SGE+6speed would definitely kick ass! And I guess when you factor in the expense of aftermarket ECU etc. for a 20V conversion its probably quite resonably priced. Just wish they were around before I bought my 20V. Oh well. I still haven't seen any yet though.
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