broster
Premium Member
Registered: 6th Dec 02
Location: Drives: E39
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quote:
Originally posted by daveyboyuk
i was reff to zorst manifold 
you wanna read posts more lol never mind!
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Greg_M
Member
Registered: 2nd Sep 03
Location: Grantham, Lincolnshire
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induction kits are a gimick
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broster
Premium Member
Registered: 6th Dec 02
Location: Drives: E39
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not all are lol!
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Davido
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Registered: 18th Aug 03
Location: Reading,Berks
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the lad can save tho  might only have 300 now but fdew months down the line
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Davido
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Registered: 18th Aug 03
Location: Reading,Berks
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so wud u say a panel filter in origonal air box wud be better than an induction kit??
cos i was gona buy an induction kit
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Greg_M
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Registered: 2nd Sep 03
Location: Grantham, Lincolnshire
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granted the ait box on the corsa isnt the best thing in the world but induction kits will very rarely increase power, unless you get a desent heat shield, and good air intakes.
mostly its for sound
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miles
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Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
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Cams dont work on these engines with standard management btw. You might spend £300 on a set and gain 5/6bhp. Not worth the effort if you could get a bolt on 20bhp for the same cost with a inlet manifold.
With different management and verniers its a different story.
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Davido
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Registered: 18th Aug 03
Location: Reading,Berks
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^^ absolutely true even given the good air feed and heat sheild ur looking at maximum or 1 bhp
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Davido
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Registered: 18th Aug 03
Location: Reading,Berks
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yeah thats why i said ud need new chip
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broster
Premium Member
Registered: 6th Dec 02
Location: Drives: E39
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basically a drill air box will be better than a k&n but not as good as a viper type sealed induction kit. but if you get some cold air to ur k&n and a heat shield itll be good and worth it!
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Greg_M
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Registered: 2nd Sep 03
Location: Grantham, Lincolnshire
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keep the standard box, drill a select few holes and get a desent air feed into that.
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miles
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Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
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Induction kits are generally for sound, looks and street cred.
Some simple mods to the air box and a decent panel filter are the way to go.
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Greg_M
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Registered: 2nd Sep 03
Location: Grantham, Lincolnshire
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vipers are supposed to be the best type of induction kit, but im sure you could maufacture something along the same line for much less than £250
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miles
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Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
User status: Offline
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quote:
Originally posted by daveyboyuk
yeah thats why i said ud need new chip
Are you refering to what I said about cams?
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Greg_M
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Registered: 2nd Sep 03
Location: Grantham, Lincolnshire
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dont think he know what hes refering too.
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Davido
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Registered: 18th Aug 03
Location: Reading,Berks
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 wanker
yeah mate was on about what u said bout cams
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miles
Member
Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
User status: Offline
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a chip doesn't constitute different engine management. You still cant use verniers with one. Fixed map chips are generally uselass, bar things like rev limit raising.
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Greg_M
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Registered: 2nd Sep 03
Location: Grantham, Lincolnshire
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rite mate im the wanker, you put posts up about me not knowing anything. and then go off on one when i find it offensive that you basicly called me stupid.
when all along i was rite, oh dear
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broster
Premium Member
Registered: 6th Dec 02
Location: Drives: E39
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as miles says to run cams properly ull need dta/mbe/omex type management as yo ucant use verniers with standard management due to s sensor on the cam pulleys. a chip wont let the management run with virniers still!
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Ajones_17
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Registered: 20th Jun 02
Location: Sunny Wigan Drives: BLACK 03 VTS
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Alright broster, can i ask you a few questions about your lexmaul manifold How much did it cost, what kind of power gain did you get and did it make a big difference to fuel consumption.
[Edited on 03-04-2004 by Ajones_17]
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blackula
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Registered: 26th Apr 03
Location: Cheshire
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What thingies point was , I think, start earlier on in the chain so air filter before inlet, but here, on the GM engines, the inlet alone without touching anything else gives you 20 bhp plus, even on the little 1.2.
I'd say start with the free mods, drilling the airbox and ducting or revising the air feed, thats worth a few bh and makes the car pull better from lower rpm, that would prob allow the inlet manifold mod to net a few extra bhp as those sorts of mods are synergistic, i.e manifold may equal 2 bhp and modded airbox and feed may net 4 bhp but done together they may net 26 bhp.
After that a cat back system or something.
Cams would be right down the shopping list particularly on a budget and even a cat back exhaust can be substituted for some budget exhaust tweaks like removing the centre silencer and using some piping and just buying a back box, Scorpion are good.
airbox, inlet and zorst setup wouldnt be more than 600 quid if you avoid buying a full system and for a few extra bhp go for a k&n air filter element.
That would easily net 30-32 bhp over std car with those mods.
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broster
Premium Member
Registered: 6th Dec 02
Location: Drives: E39
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no difference to fuel consumption at all, gained me about ten to twelve brake. never will know an exact figure for it as i didnt do a before and after rolling road only an after. it totally transformed my engine, made it pull higher up the range that it used to. its expencive tho. more via th velos and manzel ones. and they give more power but work differently. when i bought it i wanted useable power, not power you have to rev the engine for. since i bought it tho i learnt alot about the velos and manzel items and they work very well. the lexmaul wastesy easy to fit took me one hour. the others take longer as more work is involved. any other qs feel free to u2u me
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blackula
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Registered: 26th Apr 03
Location: Cheshire
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I got dbilas, fitted same time as a dastek unit so can't quantify unique gains. At wheels its about 17 bhp for both, on a 1.2 thats a mega difference.
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miles
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Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
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I wouldn't say an easy 30-32bhp.
The main restriction is the inlet manifold, as vauxhall designed it like that.
17bhp is amazing on a 1.2!
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blackula
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Registered: 26th Apr 03
Location: Cheshire
User status: Offline
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That was 32 bhp flywheel on the 1.6, the 17 on the 1.2 I referred to was at the wheels.
So about 24 flywheel.
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