Ok heres one for you..
Seeing as most of you georgeous people on here love power and HUGE bhp figures.....
What would you say is the most economical CEC engine for a 7? Also apart from the obvious x flow what other light engine would work.
Please bare in mind that BHP isn't really an issue...as long as it's over 75bhp.
Hellfire...you need not reply here, it's a CEC question only!! 
[Edited on 13/2/06 by donut]
Who told you a x-flow was economical ?
i have a nissan silvia turbo engine in mine, i'd of though that the bhp to cost was very good
Andy, that's a shame, cos I know the answer to this one. 
And I'm not gonna tell you. In fact I'm taking my ball home if you
won't let me play.................
PS. Does this count as a reply??
BTW - What does CEC stand for
[Edited on 13-2-06 by Hellfire]
LOL 
Rover K8 (71 bhp)
Rover K16 (71 to 180 bhp)
My vote is for the ....
1988 Chevy sprint/metro (1 liter, 3 cylnder) bolts to a suzuki samurai trans. The sprint was rumored at almost 50 mpg
(sorry reading up it only has 55 hp)
http://www.fueleconomy.gov/feg/noframes/4219.shtml
Most effecient..per car class
http://www.fueleconomy.gov/feg/best/bestworstNF.shtml
Think you will find that economy has little to do with engine size, or brake horse power. Much more to do with the size and weight of your right foot.
Plus how much you like to hear the poor engine suffer. 
Jeez some of those MPG figures make me wince... the focus diesel is a 50mpg car, why did they choose the petrol as the most efficient? Iteresting.
Also love the fact that the Vanquish is classed as a MiniCompact
I would recon either a zetec 1.2 or daihatsu 1.3 efi. my wee hijet van gets on average 50mpg
VAG 1.4tdi - but you would need your nutsack parted for putting that into a se7en.
RR Merlin?
We run a Mk 3 Golf GL TDi. 50-70 mpg from a 90bhp 1.9 turbo/intercooled diesel.
V. economical and goes like sh*t off a shovel ( 0-60 under 10 secs. and sits all day on the m'way at ** mph). Pulls 30 mph per 1000 rpm in 5th
and revs to 4600 red line. And thats all in a car weighing a ton, leccy windows, mirrors, sun roof and all. What would you get if you put a 150 bhp VW
pd engine in a locost?
quote:Erm... i think you miss read the question
RR Merlin?
Much as I hate to say it cos it's german (which means it'll be horrendously expensive and very unreliable
) a friend of a friend has a new
golf gttttddci or whatever and apparently was returning 50mpg at 130. I could have got my facts slightly wrong as I was told a couple of weeks ago.
It's also got a paddle gearbox so you'll need some rollocks too!
ATB
Simon
Sticking with petrol and not dirty diesel!
My dads 2L Hyundai Lantra is pretty economical on a run, I don't believe those poor city figures on the site posted.
I'm pretty sure its based on the old Mitsubish engine(maybe a scource of a RWD box) and has been bullet proof upto the 66K we've put on it
in 8yrs from new, onli needed a new HT lead for some strange reason!
135 Bhp I think and 0-60 in 9 sec, not bad for a car of its size and it'd be even more economical in a 7!
My 214 8v is very economical, no ball of fire but can keep up if you keep on the revs. So K's are pretty good.
But I'd imagine most modern small (<1.4) MPi engines will be economical and will certainly blow away the average hothatch when put in a 600kg
car. Turbo diesels will be even better, but clattering away at 3000rpm isn't very sporty is it
Most economical (and fastest accelerating) will probably be electric if you can live with the install cost/p*ss poor range/looks of pity
For the best MPG I'd be looking at the bodywork rather than the engine - fit a fury/sylus body!
Gary
I would have thought a good cheap engine would be the Fiat FIRE engine as found in a panda's and a lot of Punto's. Say what you like about
Fiat - they make bloody good engines......
quote:Were talking 7's here which would mean lighter than a full bodied chassis surley?
For the best MPG I'd be looking at the bodywork rather than the engine - fit a fury/sylus body!
Ok just had a thought...
Ford KA. That's suposed to have a crossflow in it yes? Is it still of the same basic design or has it developed beyond usefulness in a 7?
Don't think I would want anything that small that was new enough to need a CAT.......
I have heard (but await to be proven wrong) that the FIat engines all use a standard bolt pattern therefore a Fiat/Lancia RWD box should fit......
that may be crap though!
[Edited on 14/2/06 by DaveFJ]
quote:
Originally posted by Chippy
Think you will find that economy has little to do with engine size, or brake horse power. Much more to do with the size and weight of your right foot. Plus how much you like to hear the poor engine suffer.
and 8mpg if you are bad quote:
Originally posted by donut
Ok just had a thought...
Ford KA. That's suposed to have a crossflow in it yes? Is it still of the same basic design or has it developed beyond usefulness in a 7?
K-series 1.4... 103bhp and I have been getting 32-37mpg in my se*en
I averaged nearly 40 to the gallon in my 1700 crossflow on a 2500 mile trip to South of France last year - not bad for an old rattler!
Marcus
quote:
Originally posted by donut
Ok just had a thought...
Ford KA. That's suposed to have a crossflow in it yes? Is it still of the same basic design or has it developed beyond usefulness in a 7?
ok, how about A+ series 1275 from an ital or normal 1275 from a midget, mild cam and a T2 turbo mated to a type 9 box (which can be done now apparently)?
Vizard claimed he built a mini tuned for economy that got 55mpg @ 55 mph across the USA. Didn't use a turbo though
No idea how to compare mini clubman and 7 aerodynamics to even start to come up with a comparison though (probably cheaper to build the car than build
the computer model )
Donut - how many different engine perutations have you considered now? What are you building, im well confused. I wouldnt be too concerned about
economy.
12,000 miles in 35mpg 0-60 in 9secs tintop = approx £1,400.
3,000 miles in 20mpg 0-60 in 5 secs 7 = approx £600.
£800 saving and a whole load more fun.
I dare bet a well tuned zetec would return 30ish. Sounds great in anyones book.
At the end of the day it depends how you drive it. Personally i wouldnt build a 7 for economy but each to their own. The whole point of them for me is
foot down fun occasional use vehicle.
I'm just interested in what people are putting in their cars or rather what they think would be good.
I must admit putting something a little odd appeals to me
quote:
Originally posted by Humbug
K-series 1.4... 103bhp and I have been getting 32-37mpg in my se*en
My VW Sharan 2.0 petrol auto used to give me 26 ish mpg but now it's 20.2 and on a long run it used to be 33 but now about 23mpg. It's going in for a service soon so i'll get them to have a peek!
The most efficient engines that spring to mind are the 1.0i 3cyl toyota VVTi engines found in the Daihatsu charade and the Toyota Aygo / Citroen C1 /
Peogeot 107. For diesel look at Citroens 1.4 HDi
Not a whole lot of fun in a seven though. For ENGINE efficiency, look for a modern design in a high MPG car. VVT engines are good so long as they
are not tuned for power.
When we got our BRM, I was very careful running it in, and on a journey up Northampton way got 62mpg.
That was a 1.8VVC.
Most impressed!
ATB
Simon