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Kurt

Member

Registered: 23rd Oct 05
Location: Hi
User status: Offline

9th Oct 06 at 20:41

i just got a 1.2 8v and im just wondering what sort of things i can do to get a bit more power, ive seen the sportex manifolds are they worth it? are there any tb's or cams or anything that would work either.. its just to get a bit more oomph as i cant xe it for a year or two

[Edited on 09-10-2006 by kurtofcc]

[Edited on 09-10-2006 by kurtofcc]

scottc1088

Member

Registered: 7th Mar 05
Location: Chesterfield Drives: Corsa Gsi, Cbr600
User status: Offline

9th Oct 06 at 20:41

1.2 or 1.3?

Kurt

Member

Registered: 23rd Oct 05
Location: Hi
User status: Offline

9th Oct 06 at 21:39

1.2 i edited the post but its not worked

jamesvalver

Member

Registered: 21st Feb 03
Location: Bury St Edmunds, Suffolk
User status: Offline

9th Oct 06 at 21:50

you can fit a 1.4 cam, 1.4 4-2-1 manifold, larger injector or complete throttle body of a 1.4spi, change it to mpi. there are loads of things you can do to the engine but for the very small gains in power, its alot of money and hassel

Kurt

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Registered: 23rd Oct 05
Location: Hi
User status: Offline

9th Oct 06 at 21:54

ive got the throttle body off a 1.4spi off and old car, does it just bolt straight on?
ive also got the cam off the same engine infact ive got a whole 1.4spi engine that im breaking

[Edited on 09-10-2006 by kurtofcc]

jamesvalver

Member

Registered: 21st Feb 03
Location: Bury St Edmunds, Suffolk
User status: Offline

9th Oct 06 at 21:58

the throttle body will bolt straight on but im not sure what sort of gains u will get. if you get any, it wont be much.

the other thing you could do would be to remove the injection system totally and move to carbs. the 1.2carbed novas where quicker than the 1.2spi's

Kurt

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Registered: 23rd Oct 05
Location: Hi
User status: Offline

9th Oct 06 at 22:07

how do you get carbs?

Kurt

Member

Registered: 23rd Oct 05
Location: Hi
User status: Offline

10th Oct 06 at 22:49

is it easy to have carbs running and what sort of gain is there?

Member

Registered: 10th Sep 03
User status: Offline

10th Oct 06 at 22:55

I honestly wouldn't bother. The head is so restrictive on those engines that without modifying that first you wont be able to get any more power out of the engnie without serious work. Sorry to put a downer on things. My recomendation would be to look after the car, don't crash it and get something a bit better in a year or so. Just put up with it, I had to, then I put a 2.0 engine in my car

Errr, which I haven't drivin in over a year and a half

Kurt

Member

Registered: 23rd Oct 05
Location: Hi
User status: Offline

10th Oct 06 at 23:01

i want a 6.0 monaro engine lol.. would love to be the first but yeah i think i might just get it sorted how i want drive it safely for a year or two then chuck a 2.0 litre in there

alistairolsen

Member

Registered: 21st Jan 06
Location: glasgow
User status: Offline

10th Oct 06 at 23:01

4-1 manifold, a nova sr cam and an 1800 cav tb is about the best youll get (with decat) which will give about 60bhp.

the next step inolves a capacity incrrease to 1400 and a nova sri C14SE head.

scottc1088

Member

Registered: 7th Mar 05
Location: Chesterfield Drives: Corsa Gsi, Cbr600
User status: Offline

11th Oct 06 at 07:34

iv got a nova sr cam, gte cam and a kent 270 cam if interested

Kurt

Member

Registered: 23rd Oct 05
Location: Hi
User status: Offline

11th Oct 06 at 19:40

quote:
Originally posted by alistairolsen
4-1 manifold, a nova sr cam and an 1800 cav tb is about the best youll get (with decat) which will give about 60bhp.

the next step inolves a capacity incrrease to 1400 and a nova sri C14SE head.

whats the standard bhp of the 1.2 8valve trips/spin?

gavin18787

Premium Member

Registered: 22nd Feb 05
Location: Basildon, Essex
User status: Offline

11th Oct 06 at 20:32

its about 45bhp irrc

Drives supercharged Tec with torque

Simon_16v

Member

Registered: 14th Aug 06
Location: Yorkshire
User status: Offline

11th Oct 06 at 21:22

So being 45bhp is the engine actually an injection?

gavin18787

Premium Member

Registered: 22nd Feb 05
Location: Basildon, Essex
User status: Offline

11th Oct 06 at 21:24

yer

Drives supercharged Tec with torque

MikeE

Member

Registered: 7th Mar 03
Location: Milton Keynes
User status: Offline

11th Oct 06 at 21:25

my vegas is a 1.2i 8v so yes you'rs is too. so slow

oh well wait till i got 2nd years ncb

Kurt

Member

Registered: 23rd Oct 05
Location: Hi
User status: Offline

11th Oct 06 at 21:44

45bhp? your joking right? supose its ok while im getting my ncb too but if i can do these mods on the cheap ill be happy, an sri is only 80bhp so if its adds around 60bhp with them mods 105bhp here i come lol

Kurt

Member

Registered: 23rd Oct 05
Location: Hi
User status: Offline

11th Oct 06 at 23:19

wait do those mods add 60 or give me 60bhp in total after? cause if it just gives 60 i mite not bother at all

MikeE

Member

Registered: 7th Mar 03
Location: Milton Keynes
User status: Offline

12th Oct 06 at 15:59

quote:
Originally posted by kurtofcc
wait do those mods add 60 or give me 60bhp in total after? cause if it just gives 60 i mite not bother at all

no way will u gain 60 bhp on these lumps mate, ud be lucky with all that work to make 15 bhp extra

mattk

Member

Registered: 27th Feb 06
Location: St. Helens
User status: Offline

12th Oct 06 at 16:14

put the 1.4spi engine in u said you was breaking

alistairolsen

Member

Registered: 21st Jan 06
Location: glasgow
User status: Offline

12th Oct 06 at 16:32

60bhp after mate, LOL at 105bhp!!! Mine makes about 95, but you need the 1.4 bottom end and then some dirty hands stuff lol

shane2corsa

Member

Registered: 4th Sep 05
Location: Nettleham, Lincolnshire
User status: Offline

12th Oct 06 at 19:52

i used a piper fast road cam, 4 branch manifold, 1.4 injector, vernier pulley, and i matched the gaskets on inlet+exhaust and gave it a de-catting and a good john nobles tune up and she made 76.9 bhp, which i considered ok for a 1.2 8v

not worth the hassle though! a 1.4 sri 8v engine is just as good, though you cant beat the burble of a cam

Kurt

Member

Registered: 23rd Oct 05
Location: Hi
User status: Offline

12th Oct 06 at 23:36

the head keeps going the 1.4 though and now its.... ticking!

i thought that 105bhp sounded to good to be true lol was just having a blonde day

i can get the cam, throttle body and manifold for under 200 pounds so would that be worth it?

and what do you mean dirty hands stuff?

[Edited on 12-10-2006 by kurtofcc]

Kurt

Member

Registered: 23rd Oct 05
Location: Hi
User status: Offline

12th Oct 06 at 23:44

oh do you mean swarfega? as in to clean them lol

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