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PostPosted: Sat Nov 26, 2016 10:17 pm 
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Hi all,

I was just wondering what is the most economical engine set up in a mk2, I suppose the diesel model would be tops but I'm thinking of petrol engines and obviously a 5 speed box is essential, I know sometimes a bigger engine can be more economical than a smaller engine as you don't have to put your foot down as much to achieve the same speed.

What do you think is the best set up?

Pete

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PostPosted: Sun Nov 27, 2016 6:59 pm 
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On the early Mk2's the 1.1 with 5 speed box was the most economical petrol achieving 58.9mpg at 56mph under test conditions, the 1.3 achieved 48.7, xr2 49.6 and diesel 74.3

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PostPosted: Sun Nov 27, 2016 9:17 pm 
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Yep.
My Festival was always pretty good on Petrol with its 5 speed box back in the day.....
The missus car doesn't seem to be as good for some reason. Which is an early Mk2 1.1 with a Mk3 1.1 5 speed box.
But in all honesty, I think a lot of that is how crap petrol is now as the engine was designed for leaded fuel.

Jason.


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PostPosted: Thu Dec 15, 2016 8:38 pm 
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I always found CVH engine mk2's more economical... purely because you had to rag a 950 or a 1.1 to get it moving, which made it thirsty. The CVH powered ones on the other hand were more relaxed and didn't need caining to move them, so usually did me better.

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PostPosted: Thu Dec 15, 2016 11:14 pm 
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My 1.1 5 speed festival was always better on petrol than my cvh xr2 was.
:eh:

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PostPosted: Fri Dec 16, 2016 11:01 am 
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what about a 1ltr eco boost conversion ;)


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PostPosted: Fri Dec 16, 2016 12:31 pm 
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Quite a tall engine isn't it? Be cool to see it done :)

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PostPosted: Fri Dec 16, 2016 12:36 pm 
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if it all fits in a mini, it will fit in a fiesta :wink:

https://www.youtube.com/watch?v=uItHviKL3oE


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PostPosted: Fri Dec 16, 2016 1:36 pm 
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The conversion is being worked on in Grahams old mk1 hill climb car

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PostPosted: Fri Dec 16, 2016 3:52 pm 
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c6rwn wrote:
The conversion is being worked on in Grahams old mk1 hill climb car

that a 4 cylinder 1600 eco boost (sigma based unit)

im talking about the 1 ltr 3 pot ford engine


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PostPosted: Fri Dec 16, 2016 10:04 pm 
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Johnson wrote:
if it all fits in a mini, it will fit in a fiesta :wink:

https://www.youtube.com/watch?v=uItHviKL3oE



Awesome! 8) 8) 8)

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PostPosted: Wed Dec 21, 2016 5:43 pm 
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Owain wrote:
I always found CVH engine mk2's more economical... purely because you had to rag a 950 or a 1.1 to get it moving, which made it thirsty. The CVH powered ones on the other hand were more relaxed and didn't need caining to move them, so usually did me better.


That's what I was thinking, either a 1.3 (OHV or CVH) or a 1.4, I noticed the same sort of thing a few years ago when I compared my mk2 Escort 1.3 Ghia with a 1.6, you didn't need to boot the 1.6 around so much to get it to go as good and seemed to use about the same amount of fuel.

Pete

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PostPosted: Wed Dec 21, 2016 8:32 pm 
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My 950 doesn't use hardly any fuel. Think the weber carb helps.


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PostPosted: Wed Dec 21, 2016 10:55 pm 
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Mike beat me to it. 1.0 Ecoboost in a Fiesta will fit easy

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PostPosted: Thu Dec 22, 2016 1:30 pm 
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Only problem I can see with these at the moment is cost and the electronics.

Engines are still expensive second hand.
The cars still hold good value.
Even the write-off breakers.

The electrics and ECU are wired into everything I believe.
I'm sure mike did mention an alternative ECU once that will run this engine setup.
So that would most likely have to be used.
Unless you can use the original ECU. Then you'll probably need the clocks and the centre console display system too and anything that runs via that too.

Then can things like door window sensors, air bag sensors etc be bypassed.. Unless you fit all that too!
Then you might as well just buy a new fiesta! :(

Jason.


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PostPosted: Thu Dec 22, 2016 8:20 pm 
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Jason wrote:
Only problem I can see with these at the moment is cost and the electronics.

Engines are still expensive second hand.
The cars still hold good value.
Even the write-off breakers.

The electrics and ECU are wired into everything I believe.
I'm sure mike did mention an alternative ECU once that will run this engine setup.
So that would most likely have to be used.
Unless you can use the original ECU. Then you'll probably need the clocks and the centre console display system too and anything that runs via that too.

Then can things like door window sensors, air bag sensors etc be bypassed.. Unless you fit all that too!
Then you might as well just buy a new fiesta! :(

Jason.


Or you could just fit a 1.4 TDCi diesel engine and have the same fuel economy :wave:

Pete

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PostPosted: Thu Dec 22, 2016 9:14 pm 
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The old 1.1 ohv Valencia engine is frankly rubbish. Coarse, not too keen on revving, and not very economical. The 1.3 HCS is just as gash. CVH is a much better engine all round. Money no object bung a Fiesta ST 1.6 turbo in it. Power and economy.

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PostPosted: Fri Dec 23, 2016 1:35 am 
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I love the OHV unit.
Smooth if looked after. ( Tappets and regular oil changes )
Economical. My 1.1 Festival did better on petrol than my XR2 CVH ever did.
No, it's not a revy unit or 'fast' compared to most modern cars now.
But I never had any complaints. :)

I've actually got a 1.3 OHV Valencia unit ( Not HCS ) to go into the Festival. If I ever get around to it.

Jason.


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PostPosted: Mon Dec 26, 2016 9:10 pm 
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Its pretty poor Jason. The 1.1 ohv was being flogged like a dead horse in the mk2 Fiesta, well out of date in the 80's, the HCS that replaced it in mk3's is no better really. Every one I owned was harsh, and thirsty for what they are. The CVH I didn't think was much thirstier and so much more refined, quiet and smooth, plus the extra umph is worth it. 1.6 cvh nearly double the power of the 1.1.

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PostPosted: Sat Dec 31, 2016 11:05 am 
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Owain wrote:
Its pretty poor Jason. The 1.1 ohv was being flogged like a dead horse in the mk2 Fiesta, well out of date in the 80's, the HCS that replaced it in mk3's is no better really. Every one I owned was harsh, and thirsty for what they are. The CVH I didn't think was much thirstier and so much more refined, quiet and smooth, plus the extra umph is worth it. 1.6 cvh nearly double the power of the 1.1.


So we are saying that a 1.4 CVH with a 5 speed box is probably the best?

Pete

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PostPosted: Wed Jan 04, 2017 8:52 pm 
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Probably the best all round compromise for power and fuel economy yes. The 1.4S was quite a frugal little thing, but went quite well from memory.

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PostPosted: Wed Jan 04, 2017 9:51 pm 
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If you're going to mess about and put a CVH in for economy you may as well stick a 1600 Zetec on injection in there, just as cheap

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PostPosted: Thu Jan 05, 2017 11:12 pm 
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cibo wrote:
If you're going to mess about and put a CVH in for economy you may as well stick a 1600 Zetec on injection in there, just as cheap


From what I'm reading on Facebook it seems to me that there's a lot of aggro fitting a Zetec, especially if you want to fit injection as well, I was looking into the costs and ease of fitting a 5 speed manual gear box in my auto and even that's going to be a ball ache.

Pete

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PostPosted: Fri Jan 06, 2017 12:50 am 
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There are posts on here about auto to manual conversions.
It's been asked and done before.

Same for the Zetec. There's even a whole section dedicated to it. :) ;)

The big issue now is getting parts now. :(
Where 3 years ago, you could ask on here for a pedal box for a 1.1 and be offered a choice of three.
Now, you'll be lucky to get one and if you do it'll be silly money because it's a "Rare" item.

The ago of fitting a Zetec depends on what it's being fitted to.
If the car started out as a CVH, then the parts list is a lot smaller. Better yet an XR2.
Again, better if you can pick up a complete donar car with Zetec in it if you intend to fit the injection gubbins.
That was one of the main reasons I fitted a single carb to mine.
I didn't have the space to store a complete car while I ripped out what I needed.
- The engine I bought included the ECU, but no loom, key or transponder.
- I already had all the bits I needed to fit a DMTR carburettor to the Zetec.
Just cost me about £60 for the inlet and exhaust adaptor plates.
Everything I fabricated myself, except the exhaust adaptor.

Jason.


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PostPosted: Fri Jan 06, 2017 7:14 am 
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Jason wrote:
There are posts on here about auto to manual conversions.
It's been asked and done before.

Same for the Zetec. There's even a whole section dedicated to it. :) ;)

The big issue now is getting parts now. :(
Where 3 years ago, you could ask on here for a pedal box for a 1.1 and be offered a choice of three.
Now, you'll be lucky to get one and if you do it'll be silly money because it's a "Rare" item.

The ago of fitting a Zetec depends on what it's being fitted to.
If the car started out as a CVH, then the parts list is a lot smaller. Better yet an XR2.
Again, better if you can pick up a complete donar car with Zetec in it if you intend to fit the injection gubbins.
That was one of the main reasons I fitted a single carb to mine.
I didn't have the space to store a complete car while I ripped out what I needed.
- The engine I bought included the ECU, but no loom, key or transponder.
- I already had all the bits I needed to fit a DMTR carburettor to the Zetec.
Just cost me about £60 for the inlet and exhaust adaptor plates.
Everything I fabricated myself, except the exhaust adaptor.

Jason.


I'm in the same boat as you Jason, I don't have anywhere to store another car or even for me to do anything off road to mine (plus I have a bad back and can't really lift much nowadays), if I had a garage/drive or even better a workshop then I'd be doing more things to it, as you said I looked into the parts needed to convert over to manual and a lot of the problem is where the parts are on Ebay or people on Facebook groups, by the time you've paid out for postage costs it going to almost cost as much in postage as it is for the parts, I do have a massive breakers yard up the road but they only deal with newer stuff but I suppose it may be worth trying them for the gear box, it's just all the other little bits like the pedal box and cables etc and then seeing how much my local garage will charge to fit it all, that's where it sort of put's me off as it will probably cost in the region of £500ish to do the conversion and to be honest it's not worth spending that sort of money on it, if the auto box was knackered then different matter but it also seems a shame to take a perfectly good gearbox out (same as the engine, which is lovely).

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