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piggy backing onto the factory ECU

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pete wood 23 Windows of Awesome

6,828 posts · joined Jan 2004 ·

#481410
Has anyone on here set up their standard ECu with an aftermarket one piggybacked onto it?

I'm interested in doing this as I believe my EJ25 is quite conservatively tuned. I'm also inclined to think that the mixtures are very rich. So in the interests of power and economy I'd like to have a go at the piggyback thingo.

I know you're all going to say just take the factory ECU off, but for Legal reasons I can't really do that.

Any tips on ECUs or whatever would be good too.
"stoopid is stronger than axles"
http://drivingnotpolishing.blogspot.com.au/

HotRodMatt If it\'s old or rare - cut it!

3,616 posts · joined Sep 2002 ·

#481413
I think the scoobies use a memcal system like GM. If so, get a new memcal burned and plugged in.

speedster356 Plastic not Classic Racing

1,624 posts · joined Aug 2002 ·

#481418
I have a kit that is sold by Jacar that is an AFM interceptor. It's programable via a laptop, so you can trim your AFRs. There are plenty of units on the market.
Spyder-WISD 07-09-05 11.6s @ 125 MPH

Speedster-WISD Nats 05 14.4s @ 89 MPH

Jet cruiser-Coogee 22-09-05 900 deg C @ 110,000 rpm

Weaseling out of things is what separates us from the animals....................Except the Weasel.

MikeM Buggy Head

1,429 posts · joined Aug 2003 ·

#481426
pete wood wrote:I know you're all going to say just take the factory ECU off, but for Legal reasons I can't really do that.
Well in that case I think you'll find a piggy back is illegal too.

If you have to, and you feel so inclinded have aread of this

http://www.jaycar.com.au/productView.asp?ID=BS5080

And give one of these a crack.

http://www.jaycar.com.au/productView.asp?ID=KC5385
http://www.jaycar.com.au/productView.asp?ID=KC5384


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gull Wolfsburg Wizard

446 posts · joined Jun 2005 ·

#481512
you will have 128hp at the wheels so why bother

speedster356 Plastic not Classic Racing

1,624 posts · joined Aug 2002 ·

#481580
Pete.
I have the digital fuel adjuster assembled and the hand controller that you use for that and other kits. I'm not using it, you can have them both for $70 if you want them. Brand new and never been mounted.
Spyder-WISD 07-09-05 11.6s @ 125 MPH

Speedster-WISD Nats 05 14.4s @ 89 MPH

Jet cruiser-Coogee 22-09-05 900 deg C @ 110,000 rpm

Weaseling out of things is what separates us from the animals....................Except the Weasel.

gull Wolfsburg Wizard

446 posts · joined Jun 2005 ·

#481584
saving for my gear box are we Peter ? seagull

VWCOOL 23 Windows of Awesome

5,158 posts · joined Jun 2003 ·

#481629
Talk to MRT in Sydney or ChipTorque in Qld about tuning your PCM. But beware, if it's in a VW - gearboxes WILL break... 😉
Pay your debts, CxxT

HotRodMatt If it\'s old or rare - cut it!

3,616 posts · joined Sep 2002 ·

#481936
Kombi boxes can still break, even with Albins gears...

pete wood 23 Windows of Awesome

6,828 posts · joined Jan 2004 ·

#482237
how much power does the cranky one put out? I'm guessing a bog stock ej25 puts out less than half.

BTW, what size motor is he using now? is it still twin supercharged?
"stoopid is stronger than axles"
http://drivingnotpolishing.blogspot.com.au/

choppa Seriously Crusin Dubber

190 posts · joined Oct 2002 ·

#485667
speedster356 wrote:Pete.
I have the digital fuel adjuster assembled and the hand controller that you use for that and other kits. I'm not using it, you can have them both for $70 if you want them. Brand new and never been mounted.
Peter
I would be interested in these kits.
If Pete isnt that is.
Did you find they made any improvement?

gull Wolfsburg Wizard

446 posts · joined Jun 2005 ·

#485673
looking at that kombi box gear set , was that in an off roader ?