amosian Posted January 14, 2002 Share Posted January 14, 2002 With all this talk of the Duratec engine being the future for the Seven, I am curious as to know how difficult it would be to replace a k-series engined with the Ford. At the moment, I'm more than happy with what I've got, just curious as to complexity of changing engine. ta Link to comment Share on other sites More sharing options...
Graham Sewell Posted January 14, 2002 Share Posted January 14, 2002 Or would it be easier to replace an X-flow with a Duratec??? Link to comment Share on other sites More sharing options...
Blatman Posted January 14, 2002 Share Posted January 14, 2002 Duratec has exhaust on the off (drivers) side. It could mean new skin and bonnet, unless you are running a Pinto or a YB cossie... I'd wait until the developement is a little further forward and bits become available "off the shelf". Link to comment Share on other sites More sharing options...
EFA Posted January 14, 2002 Share Posted January 14, 2002 Get the head turned around...... Fat Arn The NOW PROVEN R500 Eaterid=red> See the Lotus Seven Club 4 Counties Area Website hereid=green> Link to comment Share on other sites More sharing options...
New Barbie Posted January 14, 2002 Share Posted January 14, 2002 Arnie clearly developing the new Exorcist Duratec for K2RUM, anything to beat PC in May. Link to comment Share on other sites More sharing options...
John Hughes Posted January 14, 2002 Share Posted January 14, 2002 Would also need a new gearbox / bellhousing as the bolt pattern is not the clasic Ford layout. John Hughes Link to comment Share on other sites More sharing options...
AMMO Posted January 14, 2002 Share Posted January 14, 2002 You should speak to those very nice people at Raceline, Chris Smith, Peter McEwan or Art Markus (01483 811978). They have developed a few bits for the Duratec including a bellhousing and sump. I believe they have a Caterham running available for test rides. AMMO Link to comment Share on other sites More sharing options...
Michael Peterson Posted January 15, 2002 Share Posted January 15, 2002 How does the Duratec differ from the Zetec, asidefrom the exaust. I am not familiar with this engine. X-flow equipt Yankee Link to comment Share on other sites More sharing options...
AMMO Posted January 15, 2002 Share Posted January 15, 2002 The Duratec has bigger valves and ports, has a bigger bore and shorter stroke and has chain driven cams as opposed to belt. It also has an aluminium block which should make it 15 to 20 kilos lighter although I have no firm figures for this. It is a very up to date engine. The Zetec is around ten years old now. The Duratec has the potential to make 190 bhp with just throttle bodies. The 2 litre Zetec makes 165 bhp with throttle bodies but can be easily coaxed to around 200 bhp with the usual cam and porting mods. The Zetec can be picked up quite cheaply second-hand. The Duratecs are still quite new so still expensive. AMMO Edited by - Ammo on 15 Jan 2002 07:52:05 Link to comment Share on other sites More sharing options...
Peter Carmichael Posted January 15, 2002 Share Posted January 15, 2002 Zetec is undersquare. Performance constrained. Duratec is a serious pitch by Ford to get back into the performance engine game. Weighs a couple of kilos more than a k-series. Potential for Vauxhall XE levels of power. It will be easier ot replace any fuel injection installation with a fuel injected Duratec than to go from a xflow to an FI Duratec. Carbs on the Duratec would be like fitting propellors on Concorde. Link to comment Share on other sites More sharing options...
Julian Thompson Posted January 18, 2002 Share Posted January 18, 2002 HA HA! Love it!! 8JU Link to comment Share on other sites More sharing options...
K18SLR Posted January 18, 2002 Share Posted January 18, 2002 Hmmmmm! I've just ordered an SLR but this makes me wonder where Caterham are up to with this one? Sounds more eligible than a Metro engine! Maybe worth delaying my order for the latest offering? I saw the Duratec at the show, looks good and with the exhaust on the offside might encourage the missus into the car! Link to comment Share on other sites More sharing options...
cdg Posted January 18, 2002 Share Posted January 18, 2002 Peter, Concorde would never work with propellors. The Duratec would work very well with carbs. In fact,if you could find them, a set of Constant Velocity large bore carbs with accelerator pumps and the correct needles would work very well indeed, probably matching any type of fuel injection you care to mention for both torque and power. There's a lot of bike engines out there giving over 150bhp per litre on good old carbs! Chris. Link to comment Share on other sites More sharing options...
Peter Carmichael Posted January 18, 2002 Share Posted January 18, 2002 Sorry I can't believe anybody really believes carbs are a viable solution in this day and age. Throttle body fuel injection gives you: 1. No progression difficulties 2. Full auditability of a set up 3. Max potential power and torque 4. The ability to change settings on the fly with a computer rather than twiddling with spanners, changing jets and still not knowing whether you have got it right. The whole throttle bodies and programmable EFI thing demystifies the engine thing. The original question was based on relacing a K with a Duratec. All factory k installations have been fuel injected, therefore the tank and pump are already in place. You would have to be seriously perverse to take an EFI implementation and then seek to plumb in a Duratec on carbs rather than throttle bodies. There are no benefits. Link to comment Share on other sites More sharing options...
EFA Posted January 18, 2002 Share Posted January 18, 2002 Ammo says: The Duratec has the potential to make 190 bhp with just throttle bodies. VX does 208bhp "with just throttle bodies" Therefore I contest PC's statement "Potential for Vauxhall XE levels of power." Comments??? Fat Arn The NOW PROVEN R500 Eaterid=red> See the Lotus Seven Club 4 Counties Area Website hereid=green> Link to comment Share on other sites More sharing options...
Paul Turner Posted January 18, 2002 Share Posted January 18, 2002 Arnie You are starting to sound like SB Developments. Link to comment Share on other sites More sharing options...
russb Posted January 18, 2002 Share Posted January 18, 2002 But he is right, ford are only just catching up, if indeed they are with an 11 or 12 year old design Russ Link to comment Share on other sites More sharing options...
AMMO Posted January 18, 2002 Share Posted January 18, 2002 Arnie The 190 bhp I mentioned was based on something I was told. I have no proof that this is correct. Could be that it might make more (or less?). The horsepower an engine makes is mainly limited by how much money you can throw at it (you probably know this already). The Zetec never could have been a contender in Touring Car. When Ford went Touring Car racing they had to reduce the capacity of their V6 to try to compete with the likes of Nissan. The Duratec has a lot of potential in my opinion. There is no reason why we should not see high power outputs from this engine once someone starts seriously working on it. Will it ever make 300 bhp in normally aspirated form? We'll have to wait and see. AMMO Link to comment Share on other sites More sharing options...
EFA Posted January 18, 2002 Share Posted January 18, 2002 Ammo, Just thought your posting was prime fodder to wind up the anti VX boys.... All I'll say is remember the VX can make 340bhp in (very expensive) 2.0 litre nasp form!!! The VX's best attribute is that it can make 280bhp at reasonable cost and it is in no way peaky. Paul, I'd like to think I don't sound like SBD. Cant't explain, Chelspeed will pick on me again..... Fat Arn The NOW PROVEN R500 Eaterid=red> See the Lotus Seven Club 4 Counties Area Website hereid=green> Edited by - fat arnie on 18 Jan 2002 19:27:04 Edited by - fat arnie on 18 Jan 2002 19:28:28 Link to comment Share on other sites More sharing options...
yankeedoodoo Posted January 18, 2002 Share Posted January 18, 2002 A Ford website claims the duratec weighs about 19 Kg less than a zetec and is about 1" shorter in height. Link to comment Share on other sites More sharing options...
cdg Posted January 18, 2002 Share Posted January 18, 2002 Peter, I agree with everything you say re. carbs versus injection. I do have a rebellious nature, though "perverse" is perhaps an overstatement Now where did I put those 420R twin SUs....? Chris. Link to comment Share on other sites More sharing options...
Julian Thompson Posted January 19, 2002 Share Posted January 19, 2002 Whilst the Vauxhall might make more power than anything else Arn, which is nice it has a distinct problem if you havn't already got one...... Ya can't buy one now !!!! Also, it is a little bit, ahem, portly, shall we say.... The Duratec is available and very new and pretty damned light too... 8JU Link to comment Share on other sites More sharing options...
mic Posted January 19, 2002 Share Posted January 19, 2002 The Duratec is also available in 2.3Lt Link to comment Share on other sites More sharing options...
yankeedoodoo Posted January 22, 2002 Share Posted January 22, 2002 A lad of my acquaintance recently visited Caterham and was told by a high up that Duratec would be the factory's next motor. Link to comment Share on other sites More sharing options...
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