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Old 05-11-2007, 09:48 PM   #1
GISS-90BG
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Engine "Chips"

Ok, so I hear alot about engine chips, mod chips, whatever you want to call them, on the net. The +10hp, type ones you see on ebay etc.

I was just wondering, is their any benefits to these? Are they complete money scams? They work and just damage your engine?

Just curious. I suspect its BS, but thought I'd ask the experts.

This is the kind of thing I'm talking about... http://cgi.ebay.com.au/20HP-MODULE-C...QQcmdZViewItem
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Old 05-11-2007, 09:55 PM   #2
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Just curious. I suspect its BS, but thought I'd ask the experts.

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So what are you doing asking around here?!?

As you say, you are quiet right sir, They are a bunch of sh!te, works by misinforming your ecu as to how much air is coming into your engine, thus causing the ecu to pump more fuel in, running richer, which in the short term will give more power, however lower fuel efficency.

Won't be much power at that, in a few days your ecu figures out that it's getting the wrong reading and equals out the air fuel mixtuer, and here is the crux of the problem, should you ever remove that POS now your ecu is again misinformed and runs the engine lean, which causes enormous damage.

So, don't even think of putting one in.

Answer your question?
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Old 05-11-2007, 09:57 PM   #3
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apparently this tricks the ECU into thinking the air coming in is cooler so the ECU adds more fuel so more power. I'm thinking its a load of bull**** seeing as this would cause you to run rich in warm conditions (ie. Australian weather) and to get the most power you need to run on the edge of being lean.

hmm, would probably screw up emissions too if its overfueling. for the price its almost worth getting one just to see if it does squat.

EDIT: lol he got in first
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Old 05-11-2007, 09:58 PM   #4
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uh uh davo, you're asking for a world of hurt if you install one of these buggers.
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Old 05-11-2007, 10:00 PM   #5
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Cheers for speedy response. Thought as much. Feel sorry for all the poor buggers installing them only to bear the consequences.
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Old 05-11-2007, 10:24 PM   #6
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Originally Posted by DavoAust View Post
EDIT: lol he got in first

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Old 05-11-2007, 10:29 PM   #7
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There is more than one type of chip. I have one here with a full load of boost/fuel maps to 18psi for the TX3, that plugs into the stock ECU. It doesn't misinform or trick anything, it's a real actual chip.

The things labelled as chips on eBay are just a resistor with 2 wires in a box... They may initially even make you a small power increase at the expense of extra fuel, but your ECU has enough sensors to learn around them I would assume.

Gav.

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Old 05-11-2007, 10:33 PM   #8
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An alternate perspective! Huzzah!

Don't spose you've got any links to suppliers etc.?
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Old 05-11-2007, 11:12 PM   #9
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Originally Posted by GISS-90BG View Post
An alternate perspective! Huzzah!

Don't spose you've got any links to suppliers etc.?
I was speaking more on a general level and trying to disambiguate the loosely used term 'chip'. I don't know any suppliers for an NA BP chip, but they have been made in certain circles where the demand has been there (BPs not falling into that category, but BPTs yes)...

Since you have a BG, you would prolly be better suited to doing the VX Commodore MAF mod discussed over on www.fordlaser.com . That will remove your VAF and give you a nice big vacuous 80mm open hotwire MAF tube to reduce restrictions. I don't know if it even yields any returns, as I stopped following the thread when it became obvious it wouldn't work on my older KE TX3...

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Old 06-11-2007, 03:09 PM   #10
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An alternate perspective! Huzzah!

Don't spose you've got any links to suppliers etc.?
Mate, you've been warned, don't go messing around with sh!t you don't understand, chica is talking about a very different thing to what is being advertised on ebay.

You have a natuaraly aspirated engine. So, if u r going to be realistic about what you are after, then $100 spent = 1 HP. That's a rough equation, but if you see $10 buying you 8 HP, walk away, it's a joke.
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Old 06-11-2007, 03:35 PM   #11
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cinni, he was asking for what chiccaboo was talkin about...

also the hotwire intake sensor he is talkin about will be about $200-$250 i think from memory...
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Old 06-11-2007, 03:54 PM   #12
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ive tried it. It works for like a week until the ECU works out what the hell is going on and then the whole process goes to s**t.

Advances the timing hence it gets a little bit of an edge but a week later it runs poorely.

Stay away from it, waste of time and money.
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Old 06-11-2007, 04:02 PM   #13
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Originally Posted by Cinncinatus View Post
Mate, you've been warned, don't go messing around with sh!t you don't understand, chica is talking about a very different thing to what is being advertised on ebay.

You have a natuaraly aspirated engine. So, if u r going to be realistic about what you are after, then $100 spent = 1 HP. That's a rough equation, but if you see $10 buying you 8 HP, walk away, it's a joke.
I'm not going to buy anything, I'm asking this purely for knowledge and to be able to know what I'm saying when you hear people say "Chip it up to XHP", etc.

Appreciate the concern though! Love my car too much to throw something dodgey in and cross my fingers.
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Old 06-11-2007, 05:13 PM   #14
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cinni, he was asking for what chiccaboo was talkin about...

also the hotwire intake sensor he is talkin about will be about $200-$250 i think from memory...
Came across harsher then intended. Didn't mean it that way. More along the lines of a friendly warning. point taken, must kurb my tounge when posting.

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Old 06-11-2007, 05:17 PM   #15
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So basically gav there is no 'chip' for the BPD? no uni-chip or anything?
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Old 06-11-2007, 06:11 PM   #16
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Came across harsher then intended. Didn't mean it that way. More along the lines of a friendly warning. point taken, must kurb my tounge when posting.

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<3 haha. You were trying to warn me anyways, its a good thing. Not like you were taking a shot at me or anything, s'all good.
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Old 06-11-2007, 07:58 PM   #17
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So basically gav there is no 'chip' for the BPD? no uni-chip or anything?
There's chips for the BPT(GTX) and BPD(GTR), although not really common. I've never seen one for the NA BP commercially, except for the couple that Rupe has put up in his JDM Trader's section, that being the Bee*R chip. My chip (B6T/GT) came from the US, where there are atleast 3 or 4 chips available commercially. I suspect if you looked hard enough you would find them, but I've not had never owning that engine...

Uni-chips are a properly tuned piggyback ECU/Intercepter (not really a chip). If you want a chip like I'm talking about, Powerchip might do one, but I couldn't reccomend them after speaking to their MD, and then having him ban me after a series of questions that lead to me finding out that their chips may only make half the claimed power figures...

EDIT: I would also point out that Powerchip are extremely overpriced given that they are only just a chip module that gets soldered into the ECUs curcuit board. The pricing for a Powerchip puts you into entry level piggyback ECUs, and not far off the price of Microtech (not including install/tune). But these are the problems you face when looking at these things... Incedentally, the chip for my B6T(GT) was only $50usd, which is all that ppl should pay given they are just software copied onto an EEPROM/ROM/PIMM, whatever it's called...

Gav.

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Old 06-11-2007, 08:03 PM   #18
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Ive been following the hotwire system on FL.com for some time now, just imagine, no dead spot at 1200rpm, not to mention more then a max of 300cfm in our tiny little beasts...id love that!!! best thing is its almost complete, the N/A engine has had a recent minor set back though, the adapter size is different and he didnt know that so he has to rewrite a bit of the code to suit......apparently he'll want $260 for the entire kit and apparently according to my sources it engeenired suberbly to....he even has a connector..WOW!!! GENIUS
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Old 07-11-2007, 07:05 AM   #19
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As far as ebay chips are concerned adding fuel wont make more power unless engine is lean to begin with
Afterall most cars run rich at WOT (its a factory failsafe)
So adding more fuel =
more fuel consumption
more unburnt fuel passing into exhaust
colder combustion temps and a lot of headaches
If you want to add more fuel to get power you need to add more air as well
remember its all about air/fuel ratios
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Old 09-11-2007, 10:04 AM   #20
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it just let you to have higher revving end, for example if my car will cut off in 7000rpm, and after that you can go up and it will cut off at 8000 rpm or soemthing, friend of mind have something similar install to his swift GTi,and he can revving up all the way between 8500 - 9000. compair to his stock setup was cutting off at 7500rpm.
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