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Duratec Engines


Thrashed

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Hi All

 

I am getting a fair amount of conflicting information with regards to duratec engines, so I am hoping you guys can help out.

 

1 - What cars did the different duratecs come from? 2.0, 2.3 & 2.5. Not looking at the v6 versions, all 4 pots?

 

2 - Whats the difference between the st150 duratec (n4jb) and the `normal' one HE i4?

 

3 - Is the 2.5 ST a duratec badge but really a Zetec?

 

If anyone can help with these questions that would be good, No one seems to have any first hand experience with these and all the information is internet/ facebook hearsay.

 

Any other duratec info would be great.

 

Thanks

 

Steve

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The proplem is Duratec is technically a sort of brand name applied by Ford to various engines, all different. However, for the purposes of this discussion (and generally accepted within the motorsport/engine builder community) let's assume that by Duratec you mean the all-aluminium construction, 4 cylinder engine available in 1.8, 2.0. 2.3 and 2.5 litre sizes.

 

It was co-developed with Mazda and is essentially a Mazda engine more-or-less, although I am told there are various part number differences so they are not 100% identical. You'll find it in Mazdas, Fords and Volvos.

 

All the cars you can find it in are here on Wikipedia

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Thanks Dan, already seen that, but it seems to say the st150 and normal duratec are the same, which they are not? My guess is different cams and ecu tune, but not sure.

 

I can pick a normal duratec 2.0 up for less than half the price of a st150. need to know 100% the extra money is worth it for the st150.

 

If not, will buy a normal duratec and then add the cosworth parts to it.

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I'd agree, just take the base engine (pick your capacity but... well.... yeah, 2.5 :] ), then apply all the usual levels of tune according to the depth of your wallet. Bodies and cams will probably get you where you need/want to be but, well, people are never happy with any amount of power in their 480Kg go-kart are they ;)....

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I'd agree, just take the base engine (pick your capacity but... well.... yeah, 2.5 :] ), then apply all the usual levels of tune according to the depth of your wallet. Bodies and cams will probably get you where you need/want to be but, well, people are never happy with any amount of power in their 480Kg go-kart are they ;)....

Not looking for mega power, around 250-260 would be perfect! but being able to use the power is more important and having it reliable. A nice revvy engine would be a bonus. Makes you feel like your going fast!

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