Unichip

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Propshaft
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Unichip

Post by Propshaft »

Hi

I recently bought a Hilux 2.7i! :thumbup: I used to drive a car with a bit more speed and power! Now I'm wondering if its the money worth spending to chip my bakkie! Is there a big difference in power and feul consumption!

Christoff
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Re: Unichip

Post by Niel »

Christoff, welkom by die forum.

Ek het my 02 facelift 4x2 laat chip en ek moet se jy sal die verskil kan voel. Die pertol naald sal nie so vinnig sak soos nou nie (hy gaan nog steeds vinnig sak - die pre facelifts het n ander setup gehad).

Die chip verwyder die limiter, verbeter die mixture as jy daar in die dun lug ry en dan map hulle hom dat hy se om en by 93kw op die agter wiele uitstoot. Dan wil daai bakkie net hartloop.(Het ongelukkig die grafieke na die chip vir die ou gegee wat dit by my gekoop het)

Die chip het my so R 2100 met dyno ....gekos by SAC's in Milnerton
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Re: Unichip

Post by Zandyl »

Hi Christoff
If you do decide to fit a chip take it to someone who knows what he is doing and not giving you a rush job.
Have a look at the Technical Discussion page under Dyno charts, the last few posts.
I had my lorrie chipped & i got an increase in HP from 102.2HP to 113.6HP.
I took it To Schalk in Pta & after a 3Hr tune it was up to 123.3HP
Just did a trip to Pta via Bronkhorstspruit & when i filled up i worked out my fuel consumption.
Improved from from average 6.5 KM/l to 8.2 KM/l
THANKS SCHALK
Bennie dra die message oor
My suggestion is, come up to TSHWANE, get Bennie to fit you a Dicktator system & let Schalk do the Dyno.
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Re: Unichip

Post by BenHur »

No a Unichip is fine if you have a decent working ECU and it may be a few bucks cheaper to fit the Unichip. But if you have a issue with the OE ECU not working correctly any more then fitting a Dicktator would be the cheaper option again.

Schalk is now fitting a Dicktator in a Isuzu which has a key code problem and after the owner paid the agents R 9k for a new ECU it was still not fixed. So they are leaving the OE computer to work the all the other electronics like windows and dash and the Dicktator is only connected to the injectors and timing circuit cause that is what the OE computer switches off if the correct key is not used in the ignition.
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Re: Unichip

Post by Rockspider »

I still have a Dastek Unichip lying in my garage somewhere together with the computer for a 2.7. I wonder if it has a value or even if it is still working. My new addition 2.7, as I understood from Dave, should have a SAC chip in it. Can anybody tell me which chip is the best? Or would anybody be interested in buying it. Not sure if it is worth while keeping it as a spare? Can one just unplug one computer and plug in another one without mapping, for example, while in the bush? But then, it is a Hilux, chances of something going wrong is pretty remote, touch wood.
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Re: Unichip

Post by BenHur »

As far as I know a SAC chip is actually also a Unichip as made by Dastek. The Unichip on a pre face lift 2.7 will not work on a post 2.7 as the new system works with MAP and the older one with MAF.

If your unichip goes faulty you get a plug to unplug and bridge the unicip with if I understood it correctly If the Toy ECU goes faulty you will be stuck unless if you carry a spare.
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Re: Unichip

Post by Spook »

Dastek manufacture the Unichip. In the new Hilux you'll find the computer behind the cubby hole. There is a vertical row of square plugs of which the top and bottom ones are taken out and plugged into the Unichip. The Unichip has the same two plugs and they go into the computer's plugs. Thus the system is bridged and can now be tuned by computer with the use of a dyno to optimise.
When you take the vehicle to service, or in case of any problems with the chip, just remove, and the system go back to normal as before the chipping was done.
My 3.0 D-4D had 144KW and something like 460NM of torque. On steady high speed driving there was an improvement of 0,8km/litre.
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Re: Unichip

Post by Okkie Van Wyk »

Hi julle amal
Nou het julle n paar vrae by my op gebring
Ek ry n 2.7i 1998/99 model wat n Dastek Unichip piggyback (Pic Unichip 003 ) op het , ek het dit so gekoop en weet nie hoe dit ,en of dit gedino is nie .
Ek het so paar pic's geneem om te help.
Unichip 003.jpg
1 Die plug (PIC Unichip 005 en 006 ) wat is die doel van die plug en moet dit iewers in geplug wees en waar indien wel ?
Unichip 005.jpg
Unichip 006.jpg
2 Op die Unichip self is twee plugs (Pic Unichip 004) links is daar n paar drade wat na die bakkie se computer ECU ( pic Unichip 007) toe gaan. Die plug aan die regter kant is oop , Waarom en wat kom hier in ?
Unichip 004.jpg
Unichip 007.jpg
3 Is daar iemand wat dalk net vir my die draade se kleur en doel kan gee of dalk n bedradings diagram of plug config kan gee sodat ek dit beter kan verstaan
4 Laastens daar is n barcode (Pic Unichip 008) agter op ,Het dit enige doel ........model no of iets of is dit maar net daar ?
Unichip 008.jpg
Hulp sal wardeer word

Dankie
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Re: Unichip

Post by JohanM »

Okkie,

Wat die Unichips betref het jy verskillende weergawes gekry vir verskillende voertuie.

Die 2.7i Hilux het 'n Unchip "Version C" gevat. dit is wat jy het in jou bakkie. Die meeste volkswagens het weer die B version chip gebruik. Dit versions verskil na aanleiding van jou voertuig asook verskillende Standaard ECU's wat ge piggyback work deur die unichip. Dus is die Unichip 'n piggyback computer. Hy sal nooit in sy wildste drome jou 2.7 I se ECU kan vervang nie. Hulle gebruik dit om die timing en fueling the kan verander asook dinge soos die roadspeed governor te kanselleer. Sekere dinge soos die enjin se limiter bly wel in plek en kan nie verander word nie.

Hoop dit help jou so bietjie.

Groete
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Re: Unichip

Post by Niel »

The link for Dastek:
http://www.dastek.co.za/
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Re: Unichip

Post by Okkie Van Wyk »

Okay
Ek het nog steeds nie al die andwoorde nie , Die web blad gee nie juis tegniese inligting uit nie , Maar ek beplan om by Schalk n draai te maak vir n dino en hy sal seker weet wat wat is en of als is waar dit moet wees

Dankie

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Re: Unichip

Post by 3RZ »

Ockie ek sal probeer help:

1)Ek glo nie die plug moet iewers ingedruk wees nie, ek weet nie waarvoor dit is nie maar dit kom nie op die Unichip nie.
2)Die plug op die regterkant is die service port of die interface waar jy die timing en fuel pots en die rekenaar inprop as jy die sagteware op die Chip will access om die programering te doen as hy ge-dyno word.
3)Ek het nie die bedradings diagram nie maar Schalk het. Van die drade word net in ge-T sodat die Chip die outputs van die sensors kan lees wat na die factory ECU toe gaan. Dan is daar weer twee ander as ek reg kan onthou wat in serie gekoppel word, maw die sein gaan eers deur die Unichip waar die sein verander word sodat die factory Ecu dink hy lees 'n ander waarde. Ek kan vir jou die kleure kry as jy dit wil he.
4)Soos Johan gese het, daar was verskillende weergawes UniChips vir die verskillende tipes EFI's.

Die Unichip moet gemap word en om dit ordentlik te doen moet hy ge-dyno word. As die chip net in bedraad is doen dit absoluut niks. Die waardes op die Chip soos dit van die Dastek af kom vir die timing en fuel map is alles nul (0) so daar word glad nie aan die fabrieks waardes vir die timing en fuel varander as iemand nie die Chip gemap het nie.

Kontak my gerus as jy nog info nodig het en laat weet my asb as deurkom vir die Dyno ek sal graag 'n draai wil maak.
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Re: Unichip

Post by swifty »

My 2.7 het 'n Unichip en is ongeveer 2 jaar gelede gedyno. Max power het verbeter vanaf 99kw @ 4596rpm na 109kw @ 5454rpm en torque vanaf 221Nm @ 3749rpm na 230Nm @ 3784rpm.

Ek het intussen 'n Powerflo freeflow stelsel laat insit, sonder merkwaardige verbetering in werkverrigting. Is dit nodig om weer 'n dyno te laat doen, aangesien die paramaters sekerlik verander het met die Powerflo?
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Re: Unichip

Post by Piesang »

My 2.7 het 'n Unichip en is ongeveer 2 jaar gelede gedyno. Max power het verbeter vanaf 99kw @ 4596rpm na 109kw @ 5454rpm en torque vanaf 221Nm @ 3749rpm na 230Nm @ 3784rpm.

Ek het intussen 'n Powerflo freeflow stelsel laat insit, sonder merkwaardige verbetering in werkverrigting. Is dit nodig om weer 'n dyno te laat doen, aangesien die paramaters sekerlik verander het met die Powerflo?
Ek het my 2.7 eers 'n powerflo freeflow laat aansit en toe die chip en dino. Alhoewel ek 'n grafiek gekry het wat skrik vir niks, het my trok minderkrag en is swaarder op petrol.
Image

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Re: Unichip

Post by 3RZ »

Ongelukkig is die resultaat net so goed soos die ou wat die mapping doen op die dyno, die chip kan net die fuel en timing waardes gebruik wat verskaf word, op sy eie kan hy niks doen nie.
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Re: Unichip

Post by swifty »

Can anybody recommend a place in Cape Town do do proper Dastek uni-chip mapping?
2003 HILUX 2.7i SRX S/C; Solid front axle conversion with Cruiser coil springs, 4.88:1 diff ratios, Iron Man rear suspension with extended greasable shackles, Gearmax diff lock, 150 liter feul tank, NudgeM bumper with recovery shackles, BF Goodridge Baja 33x10.5x15 tyres
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Re: Unichip

Post by BenHur »

Speak to Jammex here on the forum he works for Feroli, maybe they can help.
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Re: Unichip

Post by swifty »

Thanks Bennie. :thumbup:
2003 HILUX 2.7i SRX S/C; Solid front axle conversion with Cruiser coil springs, 4.88:1 diff ratios, Iron Man rear suspension with extended greasable shackles, Gearmax diff lock, 150 liter feul tank, NudgeM bumper with recovery shackles, BF Goodridge Baja 33x10.5x15 tyres
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Re: Unichip

Post by HennieJ2 »

Hi Almal wat al ge-chip & ge-tune het,

En wat is die latest findings hier van die guru's? Ek probeer om 'n C-type unichip in die hande te kry, anders moet ek by Ben aanklop vir 'n mod. Wat is die invloed op die betroubaarheid, as mens die ECU vervang met die Dicktator sisteem en 'n estimate op koste?

Thanks

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Re: Unichip

Post by 3RZ »

Gert dit is nie heeltemal so maklik nie, die fabrieks ECU het BAIE meer funksies as 'n Unichip of 'n Dicktator standalone. Dit is baie eenvoudiger en maliker om 'n Unichip in te sit.
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Re: Unichip

Post by HennieJ2 »

Hi Willem,

Ek het antwoord van die ouens by Dastek gekry - hulle maak nog die ouer generasie C- type chips, maar reken die nuwe Q type is myle beter. Wat ek nou wel nie vir hulle wil se nie, is dat Schalk nie die sagte ware het om die chips te map nie - hy het net vir die ouer C-type. Hulle pryse is nie sleg nie maar omdat ek op konstruksie terreine werk en dus lae rev's gebruik, wil ek die ding wel laat "tune" of dyno, van idle af. Lyk dus vir my ek sal maar nog bietjie moet rond soek, daar die een wat Allan van geweet het, reeds verkoop is.

Groete

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Re: Unichip

Post by 3RZ »

PM biejie vir Rockspider, hoor of hy nog syne het en wil verkoop.
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Re: Unichip

Post by HennieJ2 »

Thanks, het hom al ge-"PM", maar lyk nie of hy te gereeld op die forum is ni. Sal maar geduldig wag om te hoor.

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