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"Hopeless" Exige 350 Sport


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From those pictures you can see just how high the V6 engine sits

Confirming why the handling isn’t quite what it could have been if it had  a lower slung unit.

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What dyno numbers did you get on your car Matt ?

On 10/06/2021 at 10:08, Mattmahope said:

After over 3 months of waiting, I finally got my car back at the end of May, just in time for a cracking day at Goodwood (having already missed out on a day at Snetterton that I had booked but had to cancel since the car wasn't ready in time).  The car was absolutely fantastic and it felt great to finally be back on track, even though I was seriously rusty from lack of driving and very nervous given all the work that had just been completed, especially at a fast track where I had never been before.  I have had lots of positive comments on the new look, which I must say that I am incredibly pleased with myself.  Pictures included below.  What do you think?

P.s. You may recognise the (excellent) photographer from this parish...

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Depends on which dyno you believe, but somewhere around 490hp. Engine is currently out of the car for a fully forged rebuild, so will see what numbers we get after that…!

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57 minutes ago, Mattmahope said:

Depends on which dyno you believe, but somewhere around 490hp. Engine is currently out of the car for a fully forged rebuild, so will see what numbers we get after that…!

Good numbers, what about the Torque ? 

I had mine dynoed yesterday and it’s a bit of a lottery really with all the different variables, however the Torque was 389lbs ft which was better than I expected.

Forged will add some longevity, good luck 

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On 28/05/2020 at 10:56, Mark030358 said:

@Mattmahope Hi mate, So happy for you. I think I said a while ago after my upgrade, the KT are just fantastic, really customer focused and their kit is as you say, OEM or better. I was really impressed when I went, and given your experiences just confirmed what I have always thought, that for an expensive upgrade such as this its the only place to go.

Interesting re your low throttle openings, the Ex460 is exactly the same when starting from cold and needs say 1/2 mile to settle down (i.e. the engine to warm up) but after that is perfect. I did the Alps in mine last year and your right, the cars just rip through the gears... and the howl Is beyond belief 👍👍

cheers

Mark

 

ps you now need to get hold of Dan to make up the front and rear decals, they are exact as I sent him a template when I did mine. His work is first class.

 

Thats because you wern't foolish enough to mess with the oem TB. Ever car that i've changed TB's on had to get another swap to get it working right.

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On 16/05/2020 at 08:22, Mattmahope said:

After what feels like an absolute age (my car has been in Mendig since mid January), the new TVS1900 kit is finally installed!  I am really pleased with how it looks in the engine bay from the the limited pictures I have.  And it certainly does the numbers on the dyno - 493hp and 523NM of torque.  The kit is capable of plenty more but we have kept to reasonable levels to avoid the need for forged internals and gearbox work at this stage (at least hopefully!).

My biggest concern is that the clutch will hold up.  I fitted a new Evora 400 clutch in October 2018, which seems to cope fine with the EX460 kit, although mine has around 50NM more torque, so will be right at the limit.  I'd be interested to hear any thoughts on alternative clutch options from anyone running big power/torque on their cars.  From my research it looks like Exedy and XClutch are the two obvious candidates, although finding a clutch that is able to deal with track driving and that much torque (and potentially more in future) on one hand, while also having good road manners on the other hand, might be a bit challenging.  I couldn't help but notice that Exedy do a very tasty looking carbon option, although I remember all those tales about the Carrera GT's clutch when that was released and not sure I fancy having to warm it up each time I start driving! Still pretty cool though...

http://www.exedy.co.uk/products/mt-sports/hyper-carbon-d

Is this the clutch you have in the car?

https://www.komo-tec.com/en/lotus-exige/mk3-toyota-v6350380/gearbox/444/super-lightweight-aluminum-flywheel-with-sports-clutch-exige-s-v6/evora-s?c=908

Did you wind up doing anything with exedy? The xclutches kinda suck in terms of drivability. I would prefer a full face disc like the exedy.

On 01/06/2022 at 09:33, Mattmahope said:

Depends on which dyno you believe, but somewhere around 490hp. Engine is currently out of the car for a fully forged rebuild, so will see what numbers we get after that…!

Hopefully your getting the golfball treatment on the heads as i'll be sending mine for just that!

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On 04/06/2022 at 02:50, DangerousDave said:

Is this the clutch you have in the car?

https://www.komo-tec.com/en/lotus-exige/mk3-toyota-v6350380/gearbox/444/super-lightweight-aluminum-flywheel-with-sports-clutch-exige-s-v6/evora-s?c=908

Did you wind up doing anything with exedy? The xclutches kinda suck in terms of drivability. I would prefer a full face disc like the exedy.

Hopefully your getting the golfball treatment on the heads as i'll be sending mine for just that!

No, I have been running the full face ceramic XClutch. Driveability has been OEM or better.

Yes, cylinder heads will be fully ported and polished.

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10 hours ago, Mattmahope said:

No, I have been running the full face ceramic XClutch. Driveability has been OEM or better.

Yes, cylinder heads will be fully ported and polished.

https://www.monkeywrenchracing.com/product/xclutch-clutch-and-flywheel-kit-lotus-evora-exige-v6-all-stage-2-ceramic-segmented/

IF thats the one i doubt your gonna come into any problems as it's rated for 680ft/lbs.

Glad to hear about oem drivability tho thats unexpected.

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51 minutes ago, DangerousDave said:

https://www.monkeywrenchracing.com/product/xclutch-clutch-and-flywheel-kit-lotus-evora-exige-v6-all-stage-2-ceramic-segmented/

IF thats the one i doubt your gonna come into any problems as it's rated for 680ft/lbs.

Glad to hear about oem drivability tho thats unexpected.

Yup, that’s the one. But switching to a twin plate for the next stage of my build. Now that may have an impact on driveability…!

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Heres a little treat from xclutch

If you are requiring more torque capacity than our stage 2 kits, we offer a 7.25” twin sprung ceramic disc clutch for the Evora. This clutch is part number XKLT18530-2B and is rated for 900 ft. Lbs. at the flywheel. This uses a full faced ceramic disc along with a sprung hub and is more friendly for street driving compared to a rigid paddle style disc.  

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https://wilhelmraceworks.com/blog/2gr-oil-drains?fbclid=IwAR3U7gFDL5ImGMZ2sK65lxZCWVo7YZ6o8xn5AY8XOGhyyVf45fI2cpslT6E
 

In classic “while we were at it” mode, I found this interesting article on 2GR oiling and Tom at Datum agreed it was worthwhile, so he has fitted extra oil drainage from the top of the engine. Sam at BoT will then plumb in a line directly back to the sump. Every little helps, especially when it comes to sustained high rpm on track without a dry sump.

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Just caught up with this thread, you really did go to town, impressive stuff!

Colour is amazing and I dread to think how much $$ has gone to the engine build- it'll have so much character though, I'm sure it'll worth it:)

Ignorant question, why would you reduce the alternator speed? It's not like that car will be sitting@8k rpm all the time, would the charge be sufficient in normal driving? 

Also, what I found with these cars is that the gear change is not perfect when on it and at the higher end of the rev range - the box just does not want to play ball, how would things be at an even higher rev limit? Have you made any improvements on that front or is it not a concern?

Finally, where did you get the cupR engine cover please? 

Thanks and looking forward to videos!

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On 04/11/2022 at 01:37, DangerousDave said:

I am a sucker for the golf ball porting of KT yet they wont even give me a shipping address until the winter they are so busy and they have held back an order of mine for more than 6 months now :(

The guy who did my cylinder head work used to be chief of cylinder head design at March F1. Probably good enough for me…!

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