luxembourgrst

hy this is my escort rs turbo setup

turbosystem chip (max 23psi)
airtec big intercooler
group a coil
mongoose exhaust
stage 2 T3
piper cam 285t
5 th injector
ap organic 2008 clutch

looking to go up to 250bhp but what cylinder head do I need?
burton power are lot expensive
what about these
http://www.ebay.co.uk/itm/CVH-RS-XR3...item2596d28262

or this

http://www.ebay.co.uk/itm/Ford-CVH-T...item414d14c9f3

s1cab

iTrader: (1)

You won't go wrong with a cnc head (Ric Wood) his heads are second to none and outstanding quality. Standard valves will cope with that power easily. I would think about a cam change why your at it and fit a newman, as piper cams are awful for wear.

s1cab

iTrader: (1)

Theres a NMS head for sale in the for sale section under escort turbo for £500 bargain comes fully built with newman cam and oversized valves etc

luxembourgrst

well to late I just order one from the second link

I just looking to have 250 bhp +- because I only have a stage 2 turbo

and the head is ported and polished with standard valve

Karlos G

iTrader: (4)

Stage 2 Turbo (.36/50) will just about do 230bhp..

luxembourgrst

yes hmmmmm wich modif can I do to my turbo to give more power

I get no a turbosystem ship wich allow me to go up too 23 psi

Karlos G

iTrader: (4)

You would need a .48 exhaust housing and a 55 trim compressor wheel.
But as you are MFI I would be concerned about reliable fuelling even with a 5th injector.
Also you do not mention what pistons and rods you have?

luxembourgrst

I have one 5 th injector
emmmm well about the pistons and rods they are standard ..hihihiih
(it s a weekend car )

Versus_Creations

iTrader: (1)

23psi with 5th injector on mfi is a disaster waiting to happen.

luxembourgrst

why ? wich maximom psi then 18 psi?
if I get a good AFR at high boost is alright no?

I also bought in inside LED det alert monitor

Karlos G

iTrader: (4)

Standard rods will not take 250bhp for long, plus your turbo cannot do it, plus your MFI is unreliable..... I recommend you aim for something more attainable like 200-220bhp and have some degree of reliability... maybe! lol

luxembourgrst

well the NMS tuning guide says this Stage 4
This is the first point at which the engine must come apart. Assuming all the modifications at stage 3 have been carried out, the next step is the fitment of a ported big valve cylinder head. (Commonly termed a stage 3 head though lower spec heads can also be supplied) This will be coupled with ported and blue printed manifolds. At this stage it is essential to fit a hybrid turbocharger and depending on whether punch or top end power are your requirements either a stage 2 or 3 hybrid T3 will be fitted.. The engine will be fully setup and the fuelling adjusted accordingly. The boost however will remain at 18psi and the power will be in the region of 220bhp. At this level a suitable clutch will also be required and we offer two options at this power level.

Stage 5
The engine must now come apart completely, the bottom end being rebuilt to the highest level, featuring low compression forged pistons, and a fully lightened and balanced bottom end fitted with an uprated 4 paddle clutch. At this level I advise the fitment of our stronger steel H section con-rods as this is the absolute limit for std items. Coupled with a stage 3 cylinder head and camshaft setup and all the previously mentioned modifications, one of our double core Cosworth intercoolers is now fitted with reverse charge carrier. A 5th injector and MF2 fuel driver is now fitted, both the fuel and ignition ecus are fitted with new "chips" raising the rev limit to 7200rpm. The final piece of the jigsaw is a stage 3 hybrid 0.48 T3 and along with 23psi of boost generates around 260bhp and is what we consider the best all round drivable package. (Our Cosworth management conversion can be added to this setup instead of the 5th injector route for a more refined setup but power will remain the same)

Karlos G

iTrader: (4)

What's your point mate? That's exactly what I've already said.

luxembourgrst

well to get the most power with this spec :

group a coil
t3 stage 2
turbosytem chip (max 23psi)
fuel rev 7200rpm
mongose exhaust
5th injector
polished and ported head
piper cam 285t
organic 2000.8 clutch
ib5 with s2 lsd

marky_g

Spend your money on efi rather than head work no point having a 650 quid head with out the ability to map it right........

Also Karlos and Jano both know a thing or too about getting power from a cvh

Karlos G

iTrader: (4)

I've already said the most you will get is around 220bhp, your turbo is too small for any more.
Also just to point out having a rev limit of 7200 is a bad idea, again your small turbo is holding you back and raising the rev limit is just going to create lots of heat and no power at all, it can't hold decent boost to the standard limit of 6400 let alone 7200.

haz87

luxembourgrst

why explosion??? ok karlos yes I know about the turbo need to have a stage 3...

ok with the rev limit I have 2 ecus

luxembourgrst

well I just bought H conrods for security im looking about this kind of spec
Power:
235bhp (Stage 4)
Engine Spec:
1600cvh Std compression with std pistons and con-rods, NMS Stage 3 Cylinder Head with 43.5mm Inlet Valves and 38mm Exhaust Valves, Piper 285T cam and Vernier Pulley, Norris Motorsport Triple Cosworth Intercooler conversion, NMS Bosch KE Fuelling Modification, NMS 3.00" Stainless Steel Exhaust System, Turbo Technics Hybrid T3 Turbocharger (0.36 ex housing with 7 degree cut back, 50 trim wheel), -31 Actuator, AP CP2000-8 Organic Clutch.

marky_g

Id still go efi

Kingabe

Exhaust valves are already massive as standard! no need for bigger ones IMO