chriswishart

Q: i have a 1998 2000 turbo estate, I have had a superchip installed.
iv been told its running 16ps boost ?. anyone know what kind of bhp my scoob should have.

[Edited by chriswishart - 9/19/2002 8:35:28 PM]

Dark Blue Mark

Superchip = ****.

Do a search, and get a dawes device for £40, much better

MB

P20SPD

iTrader: (1)

Any other mods? Guess about 250~260.

TonyBurns

iTrader: (3)

Oh supercr@ps, ooooops sorry superchips.....
Its not a well liked modification on here due to the ammout of engine failures caused (they removed the safety limits so the cars boosted at silly figures and eventually went bang ) but a few liked them, but if your running 16psi id say around 235-240bhp without mods, with mods around 250bhp (ie exhaust) but i would recommend you get rid and spend your money elsewhere (ie get a Tek 2 or 3 which is mapped for your car safely and you get more power )

Tony

Impret-Sir

iTrader: (1)

a turdo??, lol, says it all really!

dowser

The Superchip is not unique in the crappiness of it's FCD/bleed or MBC offering - it's just very expensive given you can do the same yourself for less than 10% of the cost....as, I guess, many on this board have done

Main issue is safety - I believe fuel-cut is removed with the Superchip, not raised.

Richard

m18use

Why do superchips work so well on other cars and not the scooby.
correct me if im wrong but they work well on other cars.
also i no bugger all about it.
cheers mouse

Subarussian

There is an article in this month's Evo about a superchipped Audi S3 and the mag rated it highly. It also says that Superchip offer their own warranty, so they should be pretty confident in the safety or replace the engine if things do go wrong.

£500 is 30% of the cost of Link and 25% of PPP...

Any comments?

john banks

And the same price as a remap of the original ECU.

Superchips take a similar approach on most Jap Turbos - fuel cut defender and bleed valve.

On other cars they actually do remap the fuelling and ignition.

On a Subaru you have no overboost fuel cut at all. So if the system overboosts (which happens from time to time) the ECU will do nothing about it. 20 PSI, 25, 30 etc. It will feel great for a few seconds before it blows up.

C h a z

I have had a superchip on my car for about 4000 miles now. No problems at all. I had a look at the options and costs. The guys who fitted my chip were also equiped with a RR so they were able to show me all the before and after graphs. Esentially what the guys have outlined above is true. Boost is raised with a bleed valve. However, the chip must do something other than remove the FC. This was shown on my before and after graphs. Before the chip I was running with a dawes device. The power curve was very spiky, as the ECU tried to work out what was going on. After the chip the graph was as smooth as you like. On the subject of car blowing up there are one or two things to consider. When I looked into this the cars that were going pop all seemed to be imports and allmost all of them the WRX. Here we have a car that is running 280bhp to start with and has an ECU expecting 100Ron fuel. Chipping one of these cas up from 280bhp is as you can imagine in a totally different prospect from chipping a UK 208bhp car (designed to run on 95Ron fuel and actually using 98Ron) up to 250/260bhp.
Hope this helps. Just a differet POV.

UkLegacyT

superchips are a cr*ppy rip off using a ten quid fuel cut raiser, or eliminator and a nine quid bleed valve.

and look at the prices!
myself i would go for a tek remap/link ecu or similar

ian

C h a z

True Ian, but if you askes the garage to fit a ten quid FCD and a bleed valve thay probably wouldn't charge the same as they do for chipping your car. Can't quite remember what I paid for my chip but when you consider that it included two power runs at about £50 each its not that bad.

john banks

You can make a Superchip for 5p http://www.maplin.co.uk QH03D 3.6V zener diode. Connect from the MAP sensor signal to ground - can do this inside the ECU box if you want - your ECU will then never see over 0.9 bar (13 PSI). Then tighten the wastegate actuator rod until you get about 1.2 bar (17.4 PSI) held boost. No it is not safe, but no less safe than a Superchip and gives the same boost, fuelling and timing.

C h a z

I thought that the superchip only gave 16psi held? And how did I loose all the spikes on my graph?

john banks

You get whatever you set the bleed valve to. Superchips recommended boost is 17 PSI ish - I have seen the installation manual.

The spikes have not gone because of any mapping of the fuelling or ignition. It is either rolling road artifact or the boost control is smoother because the ECU is not correcting what it saw as overboost anymore, or if you were using a Dawes there is no reason if setup correctly that you should not have a silky smooth curve. In fact some Superchips installers have used a Dawes with the Superchip and commented how much better the boost control is. Any other difference is imagination and marketing.

[Edited by john banks - 10/20/2002 10:04:50 PM]

R19KET

Chaz,

How much boost were you running with the Dawes ?

Mark.

UkLegacyT

Chaz, i believe the chips are £410 or something

C h a z

Dunno really, had to read on my crappy guage. I only hid FC at WOT in 4th and 5th though.

C h a z

Here are my graphs

john banks

http://www.trentsaab.co.uk/proboost.html

An octane booster did a similar smoothing of the graphs here No I am not saying your Superchip is an octane booster, saying that this might be a feature of "before/after" graphs on this rolling road? Flame suit and fire extinguisher ready