1.6 head onto a 1.4 - Corsa Sport - for Vauxhall and Opel Corsa B, Corsa C and Corsa D

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Corsa Sport » Message Board » Help Zone, Modification and ICE Advice » 1.6 head onto a 1.4

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powey

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Registered: 6th Nov 05
Location: Gwent, South Wales
User status: Offline

1st Dec 06 at 13:10

1600 8v head onto an 8v sri lump - any benefits to this?

Vaux Lad

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Registered: 15th Dec 04
Location: Stoke-on-Trent
User status: Offline

1st Dec 06 at 15:33

The heads are identical.

Apart from e16se has low compression so if anything you'd probably lose power,lol.

MattyPW

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Registered: 5th Feb 05
Location: Devon, UK
User status: Offline

1st Dec 06 at 19:58

So a 1.4 SRI lump has a 1.6 head?!

Is that where it gets the extra power from?! Or is there alot more to it than that!

Vaux Lad

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Registered: 15th Dec 04
Location: Stoke-on-Trent
User status: Offline

1st Dec 06 at 20:11

Yes it has the same head, yeah thats why there 82bhp compared to the SPIs 60bhp, the head is much better flowing, larger valves and ports.

Just the 1.6 is a slightly lower compression engine, so the head is skimmed for the 1400 engine.

Some 1600 heads also had EGR port on the inlet side of the head.

craig_s

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Registered: 5th Mar 06
Location: Birmingham Drives: mk4 astra gsi
User status: Offline

2nd Dec 06 at 17:15

the e16se was the one with a carburettor .the c16se has mpi.wouldnt the c16se head have bigger valves and ports?

Vaux Lad

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Registered: 15th Dec 04
Location: Stoke-on-Trent
User status: Offline

2nd Dec 06 at 18:15

E16se is also MPI.

Nope, c16se/e16se has same ports and valves as c14se.

craig_s

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Registered: 5th Mar 06
Location: Birmingham Drives: mk4 astra gsi
User status: Offline

5th Dec 06 at 23:52

so why does it have less power??

Vaux Lad

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Registered: 15th Dec 04
Location: Stoke-on-Trent
User status: Offline

5th Dec 06 at 23:56

Less power than what?
Both E16se and c16se are the same power(100bhp), apart from c16 has a cat.

The management on C16 engine is better, hence slightly more power when the cat is removed.

[Edited on 05-12-2006 by Vaux Lad]

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Registered: 10th Sep 03
User status: Offline

6th Dec 06 at 00:06

quote:
Originally posted by MattyPW
So a 1.4 SRI lump has a 1.6 head?!

Is that where it gets the extra power from?! Or is there alot more to it than that!

No, the 1.4sri gets it's extra power from the 3 extra injectors it has

Vaux Lad

Member

Registered: 15th Dec 04
Location: Stoke-on-Trent
User status: Offline

6th Dec 06 at 00:11

SRi has better cam than SPi, much better inlet/tb design, and much better flowing head etc.

The mpi system itself isn't really that beneficial, a single point injection throttle body can give as much power as mpi does.

[Edited on 06-12-2006 by Vaux Lad]

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