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Australian Ford Member
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1,120 Posts
Discussion Starter #1
I was looking at Chiptorque performance figures for their chips and wondering how much the chips really contribute?

Stage 1 on a 3.9 mpi increases rear wheel kw by 4kw with standard exhaust manifold and 2 1/2 in sports exhaust.

Stage 2 is 13 kw with extractors added.

Stage 3 is 21 kw with mild cam fitted.

Stage 4 is 27 kw with bigger cam and shims in lifters.

It seems to me from experience with other cars that a fair part of these gains could be got without computer mods, although computer mods have to help to get the maximum benefit.

Anybody know what proportion of the improvements comes from the computer mods, because I'm trying to work out whether it's a value for money proposition to do any computer mods.
 

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gone
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10,402 Posts
I have had experience with these power chips for my eb some 5 years ago

WASTE OF MONEY!!

Get more air into the engine and out of it faster!!!!

If you go to stage 5, i would recommend a power chip so that the correct mapping can be obtained, but make sure whoever does this runs it on a dyno for at least an initial setup up 6 hours and then again 2 weeks later for a tune 3 hours!!!

Alot of money for dyno tunning but at least the end result is worth it
 

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If you go the chip route you should go with a programmable chip like the unichip. There are some serious questions over a fixed plug and play like chip re value for money. The enhancement is only as good as the guy on the dyno. Take laminges advice. Other modes first.
 

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BSR Field Agent
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EA -S, I run a Chiptorque HP4 Cam & Chip package which was fitted in Newcastle by Gary Scott. It's fitted in my ED Futura Automatic 4 litre. I had my Car on the Dyno three times during the process.

The 1st was to get initial readings and was running Headers, Walker 2.5 inch exhaust with K & N filter and tuned to Premium Unleaded. (Optimax). The read was 152 BHP and 880LBS of Torque.

The 2nd was with an upgraded exhaust system Pacemaker headers Custom 2.5 inch system comprising Hi flow Cat, Straight through muffler 2 x hot dog style high flow resinators.
The read was 163BHP and 910LBS of torque.

The 3rd was with the Cam & Chip fitted as I said HP4, new plugs adjusted fuel pressure and tuned for optimum performance.
The read was 180BHP and 960LBS of torque.

So far I am very happy with the performance that the car displays and a number of other guys on this forum can verify the power as a driver or a victim.

All the way through the process we were in constant communication with Lachlan the chip developer from Chiptorque in Nerang Qld (Gold Coast). I have had the Dyno's and can send them if you would like them.

Let me know if you want more info...

Nipper........
 
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I've been down this road before. to make it simple before you even contemplate getting a chip, dont listen to your mates, dont listen to your mother, and most of all dont listen to the pub mechanic. do all your engine mods first, and then do the chip. tell whoever is programming the chip what you have had done, right down to the type of sparkplugs used. as laminge said get it in get it out. your engine is nothing more than a giant air pump, the better the breathing the better compression, then piss it off out the exhaust.
 

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CEO - The BSR Group
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Exactly right, Doc my old liver fluke! A chip really should come from necessity rather than for outright gains in itself. Consider my situation - I've done the exhaust and exhaust manifold, so bad gas goes out better. Next step is to get more nice air in, so MAF + injectors + throttle body + intake manifold will do the trick. I will *need* a chip at this stage to allow the ecu to deal with the new ratios that will be running. However, the chip will give a relatively larger gain with this stuff than without, ie. without intake mods, I may pick up between 3 and 6% at the wheels with the chip alone (Unichip in this case). With the mods in place, I could expect anything up to 10%. Definitely better to get other things set up first, unless of course you're going for a complete kit that includes a chip.

Speaking of all this, it should be happening with mine very very soon!! Then the results of my prophecies can be published! :D ;) :thumbup: :read:
 

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Pursuit Reincarnation Dog
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Whatever you do avoid PowerChip the company in Melbourne - disaster zone! ChipTorque (Lachlan and Crew = good).

Key is dyno programming. Plug and Play does not work (even for MS Windows :rolleyes: ).
 

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T5 Expert Operator
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Aussie Pete said:
Whatever you do avoid PowerChip the company in Melbourne - disaster zone! ChipTorque (Lachlan and Crew = good).

Key is dyno programming. Plug and Play does not work (even for MS Windows :rolleyes: ).
Hehehe yeah gotta agree with you there, especially about MS Windows.

Since no 2 motors are the same it's nigh impossible to design a chip that will cater for variations between engines. Programmable chip is the go, also be sure to go to a reputable person. Dodgy programmer -> dodgy engine tuning = bodgy power figure :eek: :eek:
 

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Australian Ford Member
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Discussion Starter #10
Thanks everyone.

You all confirmed my suspicions (in my complete ignorance of details of how computer interacts with other systems) that traditional mods are first and, for my purposes, probably sufficient step and that they work without needing to spend big bikkies on computer mods. Better still, I can do all the mechanical stuff myself, unlike computer mods.

You've all saved me a lot of time and money. Thanks again.
 

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CEO - The BSR Group
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No prob mate! That's what we're all here for. :thumbup:
 

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The SparkleHunter™
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EA S said:
You've all saved me a lot of time and money. Thanks again.
As Mike's already said.. that's why we're a part of this little community.. we live to give!!.. :D
 

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As everbodies saying be very careful, one point I thought I should raise is that the main advantage of say Unichip etc is that
they are able to improve the engine performance across the entire range.

You might find with the intake exhuast mods you possibly wont get any top end advantage but find the car sings across the range.

Also Unichip can only tune air\ fuel mixture and it really needs to have ignition timing to make it a really good option.

Powerchip lot of promises for standard non modified cars but havent responded to my queries on supply of chip for my Modified motor.

Unichip possibly might be able to do Ignition also but not on Gen3 yet we wish.
 

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Australian Ford Member
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1,120 Posts
Discussion Starter #14
Here's what is probably a dumb question, at least to people who know a lot more about car computers than me, but could you tune fuel/air on an EA onwards for maximum power just using a Colortune plug? Or would the computer just override things and alter the fuel/air charge to meet criteria pre-set in the computer?

If people aren't familiar with Colortune plugs, they are essentially a sparkplug which lets you see the colour of the fuel burn while the engine is running and you tweak things to get the setting you want, i.e power or economy. It's obviously not as a good as a dyno, but if you're fiddling around with intake/exhaust and timing it's still pretty handy. And once you own one, you can use it forever to get good settings without forking out $$$ every time you fiddle with something.
 
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