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[cookie456_the2nd]

Ive got a SI with a full 1.8 130 spec engine, using ERST S2 LSD box. Runs smooth and is quite quick.

Not got the proper ECU yet, running on a 1.8 mondeo ecu. Closest i can get for the meanwhile.

Ive got another 130 spec engine, that im rebuilding as a spare, and while i sort it all out thinking about getting some headwork done.

As far as that goes ive got not a clue about it, and i know that some mods dont work to well together.

1. What sort of price would i be looking at to have the head ported + polished and bigger valves.

2. What places are good in/around hertfordshire + essex? For this sort of work.

3. What power output would i be looking at with a N/A 1.8 130spec engine with 4 branch manifold, decat, lightened/balanced crank + flywheel, full stainless exhaust.

Any info is appreciated.

Cheers, James

[Oranoco]

The standard head flows very well so any gains to be had are minimal and very costly.

Ian Howell in Lincoln is the Zetec head Daddy and the only man I would trust with this work.

With a N/A 1.8 130spec engine with 4 branch manifold, decat, lightened/balanced crank + flywheel, full stainless exhaust you may see 135-140bhp. Worth noting the standard Zetec motor is very well balanced so balancing work really isn't required

Unfortunately the RS1800/XR3i motor never makes its claimed 128bhp and is usually far nearer the 120bhp mark. A good option is a change of throttle body to the 2litre item from a Mondeo and a set of Piper fast road cams. We made 147bhp on an Escort GTi with these mods and an off the shelf chip and cat back exhaust

[freak power]

CNC heads or Mountune

[cookie456_the2nd]

Kool. Good info to know Oranoco.

The old engine im rebuilding made 122 bhp with 170nm torque. That was without out the ecu and rs inlet.

I may get a 2.0 bottom end but everyone seems to be doing 2.0 so i want to be different.

Also is the 2.0 a longer stroke or bigger bore over the 1.8.

[hobbiniho]

talking of stroke does anyone do a stroker kit for the 2litre out of interest

[freak power]

talking of stroke does anyone do a stroker kit for the 2litre out of interest

Not as such but you can get a long stroke crank made with the right rod ratio and the right pistons but i wouldn't bother as i've looked into it and you could get 2.3 but at a very high cost and a cost of the engine unable to rev like the standard zetec.

Your best to bore it out to 88mm and destroke the crank so its still a 2000 but it willl rev like hell

[freak power]

Also is the 2.0 a longer stroke or bigger bore over the 1.8.

Bigger bore

[saqmaster]

The head isn't what's making your engine choke, it's the intlet tract.. changing to carbs or throttle bodies will instantly win you more power than any headwork you could do.. infact, any headwork you do with the rest pretty much standard will just make the engine soggy.