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Kezy Corsa

Member

Registered: 13th Aug 11
User status: Offline

21st Aug 11 at 19:29

im sure it has been asked many times but i done a search and only found the nova turbo build thread

i have a corsa sri 1.4 8v and would like to turbo/boost it and have been sourcing parts

i know i need to lower the compression, is it right that if i use my c14se bottom end and fit a c16se head it will lower the compression?

also i would be running low boost around 6-7psi maybe? what size boost pipes would you recommend? 2" or 2.25"?

many thanks

Kezy Corsa

Member

Registered: 13th Aug 11
User status: Offline

21st Aug 11 at 20:31

buummppppp

anyone?

BeArDy

Member

Registered: 7th Aug 00
Location: Manchester
User status: Offline

21st Aug 11 at 20:35

been there done that, not worth the hassle. We did if the right way with new pistons rather than decompression plate etc
For the money you will put into it and a redtop will beat you is it worth it.

JaffaTB

Member

Registered: 7th Oct 09
Location: Sheffield, South Yorkshire
User status: Offline

21st Aug 11 at 21:10

that bay looks mint

Kezy Corsa

Member

Registered: 13th Aug 11
User status: Offline

21st Aug 11 at 21:15

i know it would be cheaper to fit a c20xe or a c20let but then it will not be a 1.4 8v sri

the car is what we use to attend car shows and show on car stands it has a prowler bodykit fitted car is brilliant white it has wide wheels carbon bonnet so we just want to add a little bling to the engine without a conversion

BeArDy

Member

Registered: 7th Aug 00
Location: Manchester
User status: Offline

21st Aug 11 at 21:23

i can see where your coming from BUT turboing a 1.4 8v is a total waste of money an time mate.
Cut corners and will brake down alot.
Really mate coming from someone who has been there done that.
There are better ways to make your engine bay more pleasing to the eye than fitting a turbo.
An if its to be differant then fit somthing else in there 2.3 turbo SAAB engine, easy to do, an not really been done.

Kezy Corsa

Member

Registered: 13th Aug 11
User status: Offline

21st Aug 11 at 21:27

as i said thats the reason i dont want to fit a different engine

i dont want to remove the old one

wanting to just boost the 1.4 8v sri... engine is already clean and tidy

all i need to know is would 2.25" pipe be ok for 7-8psi and whats the simplest way of lowering compression without changing pistons

what head can i fit to lower compression or shall i just fit a 1-2mm decompression plate?

[Edited on 21-08-2011 by Kezy Corsa]

BeArDy

Member

Registered: 7th Aug 00
Location: Manchester
User status: Offline

21st Aug 11 at 21:43

who is doing this turbo conversion for you? should you not be asking them for advice?

Boost pipe size will not matter.
Cheapest way is 2-3 head gaskets or have a decompression plate.

What turbo you planning? What ECU? fuel plan's?

[Edited on 21-08-2011 by BeArDy]

sri boy

Member

Registered: 31st Aug 09
Location: glasgow springboig
User status: Offline

21st Aug 11 at 21:57

Ave got most of bits u need a be got a almost complete 1.6 8v courtenay engine

Kezy Corsa

Member

Registered: 13th Aug 11
User status: Offline

21st Aug 11 at 22:01

i will be doing the conversion

i have done plenty on fords, peugeots, citroens and engines changes and so on

fueling will either be megasquirt v3 or mf2 5th injector

turbo i was looking at something similar to a gt17 from a saab or a standard renault 5 spec turbo

i will need to work out what the ratio will be of compression if i use a 1-2mm decompression plate and then maybe gasket each side of the plate do you think that will be ok on these engines?

Matty SRi

Member

Registered: 3rd Dec 08
Location: Stockton-on-Tees Drives: Mk3 Golf GTi
User status: Offline

21st Aug 11 at 22:27

quote:
Originally posted by Kezy Corsa
megasquirt

Sounds like a girl i knew once

Kezy Corsa

Member

Registered: 13th Aug 11
User status: Offline

22nd Aug 11 at 21:25

does anyone know what the compression ratio is when using a c16se head on a c14se engine

Chris F

Show Staff
Organiser: East Anglia
Premium Member

Registered: 26th Dec 05
Location: Newmarket Drives: Escort Van 1.8
User status: Offline

23rd Aug 11 at 10:26

2l 8v on carbs maybe?

Warren G

Member

Registered: 14th May 06
Location: Kent
User status: Offline

23rd Aug 11 at 10:52

I can supply a 8v Turbo manifold for the small black T2 Turbo fitment

Can also supply a decompression plate, twin pass intercooler

Or can even build it for you

Kezy Corsa

Member

Registered: 13th Aug 11
User status: Offline

23rd Aug 11 at 11:00

Warren do you have any pictures of the 8v manifold?

--ToM--

Member

Registered: 23rd Nov 07
Location: Wirral
User status: Offline

23rd Aug 11 at 12:06

i dont see the point in doing things like this like beardys already said but i suppose its each to their own and all that

Warren G

Member

Registered: 14th May 06
Location: Kent
User status: Offline

23rd Aug 11 at 12:09

its different....and there is a point

sure it will cost more than expected but how many turbo'd converted cars do you see out there?

Kezy Corsa

Member

Registered: 13th Aug 11
User status: Offline

23rd Aug 11 at 12:15

people think its going to cost me an arm and a leg but i have most of the parts already and family work for a car parts company near me

i have everything else sorted now
i have 2.25" boost pipe kit
small front mount intercooler with 2.25" in and outlets
boost gauge
modified sump for oil return
injectors
decomp plate
rebuild parts including head gasket, cambelt, waterpump and so on

if people do not like my go ahead about this and think its pointless then please ignore the thread and move on... if you are looking to see something different and a 1.4 sri turbo corsa then keep a look here and i may start a progress thread for it

Tom

Member

Registered: 3rd Apr 02
Location: Wirral, Merseyside
User status: Offline

23rd Aug 11 at 13:15

I recall some lad on here called niven had one years and years back. Think he had headgasket issues alot of the time.

moffat

Member

Registered: 14th Nov 07
Location: Rosyth fife
User status: Offline

23rd Aug 11 at 16:41

quote:
Originally posted by sri boy
Ave got most of bits u need a be got a almost complete 1.6 8v courtenay engine

sent you a pm

moffat

Member

Registered: 14th Nov 07
Location: Rosyth fife
User status: Offline

23rd Aug 11 at 16:48

its quite simple to turbo the 1.4 8v iirc,

1.2 spi exhaust manfiold, t2 flange welded on t2 turbo
oil filter relocation kit
front mount intercooler
rising rate fuel regulator
boost trick switch or 5th injector for coilpack engine
oil feed and returns
spacer plate

think thats it anyway... look at my thread doing a 1.6 8v turbo conversion thread on my nova

sri boy

Member

Registered: 31st Aug 09
Location: glasgow springboig
User status: Offline

23rd Aug 11 at 17:07

quote:
Originally posted by moffat

quote:
Originally posted by sri boy
Ave got most of bits u need a be got a almost complete 1.6 8v courtenay engine

sent you a pm

Yea bottom end low comp pistons manifolds n some other bits and bobs

moffat

Member

Registered: 14th Nov 07
Location: Rosyth fife
User status: Offline

23rd Aug 11 at 17:14

pm me a price for everything bud

sri boy

Member

Registered: 31st Aug 09
Location: glasgow springboig
User status: Offline

23rd Aug 11 at 18:21