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Author twinports vs non twinports
Toby
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Registered: 29th Nov 05
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17th Sep 06 at 21:42   View Garage View User's Profile U2U Member Reply With Quote

whats the diference between the two i.e. sxi, only one i can see is the interior!! cheers
Jay
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Registered: 26th Sep 04
Location: Liverpool
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17th Sep 06 at 21:43   View User's Profile U2U Member Reply With Quote

Engines different isnt it?
andy1868
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Registered: 22nd Jun 06
Location: Burscough, Lancashire
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17th Sep 06 at 21:46   View User's Profile U2U Member Reply With Quote



[Edited on 17-09-2006 by andy1868]
Sly_SRi
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Registered: 9th Apr 04
Location: Reading, UK Drives: Corsa C
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17th Sep 06 at 22:10   View Garage View User's Profile U2U Member Reply With Quote

doesn't it just mean 16v? i.e. twin inlet ports?


Corsa C Z20Let

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Robin
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Registered: 7th Jan 04
Location: Northants Drives: Clio 182 Cup
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17th Sep 06 at 22:11   View Garage View User's Profile U2U Member Reply With Quote

nope
Wrighty_1988
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Registered: 30th Jun 06
Location: South Yorkshire
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17th Sep 06 at 22:15   View User's Profile U2U Member Reply With Quote

TwinPort

Updated version introduced in 2002, with lighter cast-iron cylinder block and camshaft driven by toothed belt. Features EGR valve and TwinPort variable intake geometry - twin intake ports with a choke closing one of the ports at low RPM, providing strong air swirl pattern for higher torque levels and better fuel economy. The drive belt for the camshafts is wider and stronger than before, and water pump is not driven by it anymore which improves reliability.

Good old Wikipedia.
mav
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Registered: 19th Jun 01
Location: Scotland
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17th Sep 06 at 22:36   View User's Profile U2U Member Reply With Quote

drove my dad in laws 1.4 twinsport sxi, was not to bad like
Bullet Proof SRi
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Registered: 11th Jul 05
Location: UK - Clacton on sea - Essex
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17th Sep 06 at 22:44   View User's Profile U2U Member Reply With Quote

i thought all corsa C 1.2/1.4/1.8s were twinport, are the twinports quciker then non twinports then
ajscorsa
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Registered: 30th Apr 02
Location: Perceton, North Ayrshire
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17th Sep 06 at 22:57   View User's Profile U2U Member Reply With Quote

think there just better on fuel
vaux-tech
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Registered: 28th May 06
Location: Preston, Lancs. Drives: Astra SRI turbo.
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17th Sep 06 at 23:00   View User's Profile U2U Member Reply With Quote

twinport is just a different injection system, trust me! if u unplug them, they actually make the engine run quieter!
Hammer
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Registered: 11th Feb 04
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17th Sep 06 at 23:50   View User's Profile U2U Member Reply With Quote

the 1.2 non twinport and twinport are essentially the same engine with the twin intake being the only difference giving 5 more bhp and slightly better economy.

the 1.4 non twinport and twinport are different engines producing the same bhp but giving slightly better economy due to the choke on the 2nd port being shut until a certain rev level.
Cybermonkey
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Registered: 22nd Sep 02
Location: Sydney, Australia
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18th Sep 06 at 07:24   View User's Profile U2U Member Reply With Quote

the Z18XE doesnt come in Twinport, it comes in DCMCP version which is full 140bhp VVT
Lynny
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Registered: 3rd Jan 03
Location: oop north! Where people talk properly
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18th Sep 06 at 21:55   View User's Profile U2U Member Reply With Quote

isnt the twinport about improving fuel economy?
Robin
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Registered: 7th Jan 04
Location: Northants Drives: Clio 182 Cup
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18th Sep 06 at 21:56   View Garage View User's Profile U2U Member Reply With Quote

its similar to BMW's VANOS system.

designed so that at low revs, you use less fuel, and have more torque
Lynny
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Registered: 3rd Jan 03
Location: oop north! Where people talk properly
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18th Sep 06 at 22:01   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by robmarriott
its similar to BMW's VANOS system.

designed so that at low revs, you use less fuel, and have more torque


my car seems to be overly revving atm

 
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