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Author MK Astra engine
mk4 Astra
Member

Registered: 5th Oct 03
Location: Belfast
User status: Offline
   13th Oct 03 at 19:05   View User's Profile U2U Member Reply With Quote

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
M4tt
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Registered: 18th Apr 03
Location: Potters Bar
User status: Offline
13th Oct 03 at 21:28   View User's Profile U2U Member Reply With Quote

corsas and astras have different inlet manifolds which probably results in the change of sound

they do sound nice though don't the
mk4 Astra
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Registered: 5th Oct 03
Location: Belfast
User status: Offline
13th Oct 03 at 23:05   View User's Profile U2U Member Reply With Quote

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....
Kerry
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Registered: 5th Oct 01
Location: Norwich
User status: Offline
13th Oct 03 at 23:13   View User's Profile U2U Member Reply With Quote

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.
Aztecgold Corsa C
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Registered: 21st Sep 03
Location: Nottingham
User status: Offline
15th Oct 03 at 17:30   View User's Profile U2U Member Reply With Quote

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
mk4_astra
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Registered: 15th Oct 03
Location: aylesbury,bucks
User status: Offline
16th Oct 03 at 19:08   View User's Profile U2U Member Reply With Quote

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
Sam
Moderator
Premium Member


Registered: 24th Dec 99
Location: West Midlands
User status: Offline
17th Oct 03 at 07:34   View User's Profile U2U Member Reply With Quote

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...
Cybermonkey
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Registered: 22nd Sep 02
Location: Sydney, Australia
User status: Offline
17th Oct 03 at 08:53   View User's Profile U2U Member Reply With Quote

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.
Sam
Moderator
Premium Member


Registered: 24th Dec 99
Location: West Midlands
User status: Offline
17th Oct 03 at 11:10   View User's Profile U2U Member Reply With Quote

I guess this may in theory only work with the mk3 Astra then.

 
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