mk4 Astra
Member
Registered: 5th Oct 03
Location: Belfast
User status: Offline
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Does anyone here own a mk4 astra.. i have a 1.6 16v sxi.. i have tryed different filters on her including pipercross knN etc... but there is no grunt of it compared to a corsa sport with a pipercross y is this wat mod would solve this??? need corsa sport sound 
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M4tt
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Registered: 18th Apr 03
Location: Potters Bar
User status: Offline
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corsas and astras have different inlet manifolds which probably results in the change of sound 
they do sound nice though don't the 
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mk4 Astra
Member
Registered: 5th Oct 03
Location: Belfast
User status: Offline
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is there any way of changing the inlet manifold from the old mk3 astra 1.6 16v or corsa 1.6 or is it major work....
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Kerry
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Registered: 5th Oct 01
Location: Norwich
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u can get a performance manifold.
when u say grunt do u mean sound or performance?
if u mean sound then try a panal filter and drill air box
if u mean performance i found my car seemed to perform better after havin my custom cat back exhaust which i did several weeks after my pipercross viper.
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Aztecgold Corsa C
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Registered: 21st Sep 03
Location: Nottingham
User status: Offline
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drilled airbox or filter wont make the difference in sound, its the inles manifold mate, try PVD for a lexmaul one, i'll be giving u at least an extra 15 bhp as well
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mk4_astra
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Registered: 15th Oct 03
Location: aylesbury,bucks
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my mate owns a 1.8 mk4 astra sport and after fitting a green induction kit there was only a slight improvment in sound which sounded muffled but stood outside it sounded a lot more grunty and was sounded awsome with a raidhp foam style filter
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Sam
Moderator
Premium Member
Registered: 24th Dec 99
Location: West Midlands
User status: Offline
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Corsa engine = X16XE = 106bhp
Astra engine = X16XEL (might be different on mk4) = 100bhp
The reason you don't have the 'grunt' of the Corsa engine, is because the induction manifold/throttle body etc. is different between the two engines.
I don't know if the different items on your engine can be removed and Corsa engine items used instead, as the ports on the cylinder head may be different, I'm not sure...
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Cybermonkey
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Registered: 22nd Sep 02
Location: Sydney, Australia
User status: Offline
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im almost sure that a Corsa inlet body would not fit an Astra mk4 1.6. I have seen the Astra engine and it would most definately be a different fitment from what i could see.
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Sam
Moderator
Premium Member
Registered: 24th Dec 99
Location: West Midlands
User status: Offline
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I guess this may in theory only work with the mk3 Astra then.
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