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Birkin S3 For Sale - New Build


Joe R

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I would be very interested in this car...if it were a 2.0 Duratec instead of a 2.3. I would be interested in autocrossing it, and a 2.3 puts it in E-mod, I believe, in which it would have to weigh at least 1700 pounds, which is obviously a problem. Can someone confirm this?

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I would be very interested in this car...if it were a 2.0 Duratec instead of a 2.3. I would be interested in autocrossing it, and a 2.3 puts it in E-mod, I believe, in which it would have to weigh at least 1700 pounds, which is obviously a problem. Can someone confirm this?

 

Yes....D Mod is limited to 2.0L and if you go above that you'd be bumped to EM. I don't recall the exact min weight for E Mod but I think you are very close with your guess of 1700.

 

 

dave

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The autoX I recently competed in they classified the car in SSP. Won class on street tires. This was the first time out for this car. Suspension was a touch off, but that's why we took it to the event to sort it out. As far as going the 2.0 route, I'm sure you could do an even trade for a high end build 2.0 or if you wanted to make some money, the UK boys will pay big premiums for 2.3's.

 

lotusman and michaelD I will PM you shortly

Edited by Joe R
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  • 2 weeks later...

Another option to consider, if you need to drop back down to a 2.0L its as simple as changing out the short block. All components change out. The 2.3L Duratec comes from the factory with 2.0L head. The Crower Stage 2 cams & springs will not need or be changed either. A new gasket set, short block assembly & bingo, a 2.0L. You lose the forged crank, but there are always trade offs to be made. Check out for photo gallery of the build.

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  • 2 weeks later...

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