PaulW
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Registered: 26th Jan 03
Location: Atherton, Greater Manchester
User status: Offline
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Canae be arsed going on mig, its shite & slow 
ok...
If I was to rebore a C20XE to 2.1, fit some 88mm(i think) QED or Omega pistons, some sort of cam (unsure as to what sort), 4-2-1 manifold, maybe a little head work (more than likely not), and a sealed induction kit, would I need to fiddle with the ECU, or get it re-mapped?? will be like that for a while until i can be arsed payin for some TB's & decent management system or something
I'm guessing i'd be looking at around 165bhp with those mods
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Cybermonkey
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Registered: 22nd Sep 02
Location: Sydney, Australia
User status: Offline
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to get the most from this, a properly mapped setup is always ideal for a car enthusiast. Standard 1.6 corsa with properly setup engine management would see big increases in power and torque with no other modifications. Adjusting fuelling to make the most from the engine makes an incredible difference on the road
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miles
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Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
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Depends what the spec of the cams are. If they are fairly lame then it will run on std management, a remap would improve it, but it depends how long til you get the tb set up as to whether its worth the cost.
A set up with decent pistons etc would be completly wasted without tb's.
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luca2020
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Registered: 26th May 02
Location: Maidstone, Kent
User status: Offline
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yes u would need to get it mapped, it would still run without being mapped, but whats the point of having a shit set up when uve spent so much money on it
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Cybermonkey
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Registered: 22nd Sep 02
Location: Sydney, Australia
User status: Offline
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yes, my point was that the standard map with standard ECU is there for maximum fuel economy, and precious power is being lost because of it. Would it be worth the cost of decent MBE management with standard engine?
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miles
Member
Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
User status: Offline
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Look at the group n kits on sbd's site.
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big eck
Member
Registered: 20th Apr 03
Location: Tullibody. Drives - Audi B8 S4 & Fiesta Zetec-S
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You should get more than 165bhp m8 AK's XE got 164bhp and his is basically standard.
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PaulW
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Registered: 26th Jan 03
Location: Atherton, Greater Manchester
User status: Offline
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well wasn't sure what i'd be lookin at so thought i'd just keep my hopes a bit low so don't get dissapointed!
Thinking about it I can understand why a decent setup will bring good improvements, as would help to sort out the fueling, and so-on, so help alot.
still not sure which cams would match up ok though, don't want an overly wild profile, want it to run smooth enough, good midrange torque & good power aswell, but still have a bit of grunt low down the rev range.
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PaulW
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Registered: 26th Jan 03
Location: Atherton, Greater Manchester
User status: Offline
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MBE941
The 941 range of ECU's are similar to the 956 ECU's but have far more inputs & outputs, they can run 4 cylinders grouped or sequentially, 4 cylinders grouped with phase able upper & lower injectors, it can run V6 & V8 engine & turbo engines. It is possible to control the radiator fan, control the alternator, and launch control, power shift, traction control (on a sequential gearbox), gear change light & many more. The inputs are as the 956E with the addition of barometric pressure, boost pressure to name a few. The 941 can be set up in may different ways control lots of extra accessories. The important things that should be taken into consideration when choosing the extras you may wish to control is that the more you add this will increase complexity of the loom & its cost also setting up time take longer also increasing cost.
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Dave
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Registered: 26th Feb 01
Location: Lancs
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Have a look at the DTA engine management, QED have a bit about it on their site. Launch control and full throttle gear changes
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PaulW
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Registered: 26th Jan 03
Location: Atherton, Greater Manchester
User status: Offline
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no prices on the QED site  guess its a case of emailing/phoning them up!
Q38H kit looks quite nice
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PaulW
Member
Registered: 26th Jan 03
Location: Atherton, Greater Manchester
User status: Offline
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say it be easy enough to fit the kit myself?
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miles
Member
Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
User status: Offline
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Depends on the loom you get with it. If its already made for your engine and car then it would just be plug and play, with a few connections for power, tacho etc.
You'll then need a rolling road set up to get the most out of it, cost about £200-300 depending on who does it.
Standard management probably wont like the raised compression from pistons. TBH if your keeping the spec fairly mild, with mild cams then the standard mahle forged pistons are fine.
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