fiestaturbo.com

[Jonezy]

as decent mileage s1 zetec engines are becoming harder and harder to find

what does it take to fit a series 2 engine,

ie, engine mounts, alternator and ecu etc. do the S2 zetec ecus ie POUT work with the SI engine loom. just wondering as there are manyh more S2 zetecs out there now than S1.

[Gazeddy]

s2 and s1 externally are the same iirc internally are different but youd need an ecu from a mk1 mondeo deep desk and dewy seem to work best and get the maf sensor from the same car.

[goaty]

the series 1 and 2 are the same, series just has a reworked head iirc to solve the stick valve problem.
Conversion is still the same a the normal one in the Guides section.

[Jonezy]

so just use a mk1 ecu and it will work with the S2 maf sensorand injectors

[goaty]

use the mk1 ecu and MAF.
all the other sensors are the same as in the series 1.
Injectors need to be the 2.0 ones that come in the engine. Brown or Beige

[Jonezy]

thats what i meant ok then cheers

[fiestamodder123]

jonezy are you meaning "blacktop"engines not silvertops as if so the blacktop is a series 3 zetec

series 1 = dohc 16v on the cam cover

series 2 = zetec 16v on the cam cover (revised head design to eliminate sticky valves)

series 3 = blactop cam cover

series 3 zetec engines use completely different mounts to the silvertop series 1 and 2 s and are widely regarded as a no go in a mk3/3.5 fiesta unless you fancy some custom fabricated engine mounts

Correct me if im wrong but if the blacktop engine went straight into a mk3 fiesta nobody would be using silvertops as blacktops are far more common with reasonable mileage

Gav

[Jonezy]

thats why i was asking
i think its due to the faff of having to swap ecu and maf sensors

[jimmyesh]

Yeah the "blacktop" zetec (focus, mondeo 1998-0n) are lovely engines with better flowing heads.

I used to have a standard focus blacktop 2-litre in my rs1800, I'll post some pics if i can dig ' em out

The waterpump is COMPLETELY different to the silvertop lump and is NOT interchangeable either (unless you get the blacktop block machined somewhere to accept it) and it's NOT like when you get a 2-litre silver top and just swap the pump for an 1800 escort item I'm afraid, The hole in the block for the water pump is TINY on the black-top but HUGE on the silver top

If you don't fancy the machining option above, you basically have to try and fit a hybrid bottom hose to the blacktop water pump (i had to do it on my st170 lump - as all they are is a "tuned" blacktop), then you will need a different drive-belt layout in order to drive the black-top water pump the correct way (they go the opposite way to a normal 1.8/1.6 escort/fiesta silver top) I had to make up a new mounting set-up for the auto tensioning idler and experiment with drive belts until you have the right size.

Also, If you change the waterpumps over to the early type you'll also have to change the cam belt to the "early type" too as the tensioner and idlers will be in the way of an early "silver-top" type waterpump if you fit that I didin't go that route as I wasn't sure of whether I'd drill into a water jacket or something when drilling/tapping new holes for the cambelt idlers/tensioner.

As for mounts, the mount on an RS1800/si will fit on the blactop, but ONLY if you use the fiesta ancillaries, otherwise the alternator will get in the way.
Some small mods to both the front and rear mounts(on si/rs1800) will need to be done but the fitment isn't very far off at all.

I ran my 2 litre blactop on re-mapped RS1800 management with rs1800 inlet manifold.

My blactop was lovely and i used it like that for about a year. When i fitted the st170 stuff though I used ALL the focus Mounts AND ancillaries as that was best in my opinion for both reliability and in case i needed a replacement part from ford i could just bolt it in rather than re-manufacture one-off items!

THAT'S the reason EVERYONE hasn't fitted Blacktops - It's a lot less hassle just to go for a silver top!

On the other hand the Black top has a (slightly) better head and are more plentiful/low mileage.

Hope that helps mate!

[Jonezy]

im refiering to the seies 2 whic is in say a v reg mondy


what years were different series introduced.

isnt series 3 like 2000+ in the focuses

[jimmyesh]

The "black top" zetec took over in Mondeos in the "MK2" shape at around 1997/98 (R/S reg) as the early Mk2's had the silver top, the later ones had the black top, A V-reg Mondy will definitely have the "Black Top" as it is 1999-2000 model -year.

This engine is the same "Black Top" found in MK1 Foci.

There is some confusion in this thread as some people refer to there being 2 types of "Silver Top" because of "DOHC" or "16v ZETEC" being written on the Rocker cover. I know this to be true, I'm NOT disputing that but they really are the SAME ENGINE for all intents and purposes but for slight cosmetic differences (and ford sorting the sticky valves out). It really is splitting hairs to classify those 2 silver-tops separately and is just un-necessary

The black top on the other hand is what I would REALLY class as the "2nd Generation" ZETEC as this has LOTS of differences to the previous silver top:
1.Different con-rods/pistons (narrower journals)

2.Bigger Valves (Ford did this for emissions reasons more than anything else)

3.COMPLETELY different water pump (and MUCH smaller hole in the block for it to fit into ).

4.Different Cam-Belt layout and tensioner/idler location

5.Different sump.

6. The engine mount locating bolt-holes cast into the block are in slightly different positions as opposed to the Silver top too but only slightly so fiesta RS1800/Si/2i16v mounts CAN be used with some "adjustment".

[MossyZS]

While we're on the subject of the various series of the 2 litres...

...does anyone have any pictures of how each mounts? (im guessing there are differencs) I'm going to be going ahead with the conversion on my MK5 in the near future and its something I could do with knowing.

[jimmyesh]

While we're on the subject of the various series of the 2 litres...

...does anyone have any pictures of how each mounts? (im guessing there are differencs) I'm going to be going ahead with the conversion on my MK5 in the near future and its something I could do with knowing.

There may be some helpful pics in my rs1800/st170 thread in member's gallery

It's MUCH easier with the mk5 as the Mk5 engine mounts into the bay just like a focus one with the main mount level with the centre of the engine rather than having the mount on the rear like mk3's. so it will be a much more straightforward task.

[MossyZS]

Thats exactly what I want to hear! Needs to be as quick of a conversion as possible. lol

Cheers