Evora Gets Blown- Check it! - LotusTalk - The Lotus Cars Community
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post #1 of 32 (permalink) Old 06-21-2018, 10:43 AM Thread Starter
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Evora Gets Blown- Check it!

Things are changing for Evoras!

Weíve been working on this for months on end and itís getting closer.

We started with one of the IPS cars since itís by far the hardest to tune and work right.

Getting the IPS happy with 50% more HP was a treat of a tuning project.

We have the car driving very nicely now and we are running on 100% stock hardware save for the muffler and the intake of courseó since the intake is now the co-developed TVS1900 charge cooled blower!

Even though we are not done with power tuning, this car is FAST on the street!

The large heat exchanger fits nicely up front in high pressure air. The sills and clams remain in place for installation!

The blower has a massive charge cooler with huge coolant fittings-- for those looking for track use only, massive coolant flow can be incorporated with this configuration. This not some little sandwich plate sitting below the little 1320 TVS on S Evora. For reference, this hardware layout is very similar to the evora 400 but with a better and bigger blower (1900 vs 1700) and a bigger charge cooler.

This is just one of our 3 prototypes, so pardon the mess. The swirl pot and plumbing are all preproduction parts. We have sensors watching fuel pressure, IAT, boost, AFR, among all the other internal and proprietary ECU channels we have.

We HAVE NOT tuned for power yet. The car is stock with stock awful catalyst exhaust manifolds. Weíve just now got the driveline and drivability happy and thought we would demonstrate some conservative before and after pulls on our Dyno. We havenít bumped the rev range up to 7200 yet since power tuning isnít complete.

We'll have all 3 of our NA Evoras converted shortly (2 IPS cars and 1 Manual) and have them on the road for various testing to bring the kit/tuning to fruition ASAP.

Nevertheless, thought we would share.

(Again, just to be clear, that before and after plot is STOCK vs STOCK with our blower setup and the power tuning is not completed yet).
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Phil: NASA 2012 and 2014 TT1 Central Champion, 2005 GG Elige, Rev400, 485+whp REV X

2011 Pearl White Evora, BOE Skunk Works 6 SPD 435WHP || 2014 Black Evora Skunk Works IPS 390WHP|| 2011 White Evora Skunk Works IPS 390WHP || 2006 CO Elise, Rev400, Steet Car

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post #2 of 32 (permalink) Old 06-21-2018, 10:47 AM
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Stump puller.
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post #3 of 32 (permalink) Old 06-21-2018, 10:58 AM
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Looking forward to see the final numbers..
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post #4 of 32 (permalink) Old 06-21-2018, 11:27 AM
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Great to see, congratulations!

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post #5 of 32 (permalink) Old 06-21-2018, 11:29 AM
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Area Under the Curve

Monstrous

that 100 hp at 4000rpm is worth more than the 130 peak

tractor indeed
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post #6 of 32 (permalink) Old 06-21-2018, 02:43 PM
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Very nice! Keep the updates coming.

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post #7 of 32 (permalink) Old 06-21-2018, 04:00 PM
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i hate you .. you just made things more complicated for me now!

I was planning for the cams.

Incase I'm asking for help with something: 2011 Evora N/A C/R 6sp with BOE TVS 1900 S/C kit
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post #8 of 32 (permalink) Old 06-22-2018, 06:17 AM Thread Starter
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Originally Posted by exigegus View Post
Area Under the Curve

Monstrous

that 100 hp at 4000rpm is worth more than the 130 peak

tractor indeed

Yes, the torque curve is massive and it's certain to improve. Especially as we add headers, etc...

Quote:
Originally Posted by jrb3 View Post
Great to see, congratulations!


Quote:
Originally Posted by John Z View Post
i hate you .. you just made things more complicated for me now!

I was planning for the cams.
Cams + headers + the blower is on the drawing board. could that be too much power?


Phil


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post #9 of 32 (permalink) Old 06-22-2018, 06:21 AM
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How do you expect this to compare to a stock S? Do you have a dyno from a stock S you can overlay?
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post #10 of 32 (permalink) Old 06-22-2018, 06:40 AM Thread Starter
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How do you expect this to compare to a stock S? Do you have a dyno from a stock S you can overlay?
On our dyno, the stock S makes about 290whp... it's not comparable to the stock S, not even a little. To get similar peak hp out of a S car, we needed headers, intake, tuning, and cool air. The S car also would of course be much more sensitive to heat given how fast the blower spins and no charge cooling...

In other words, this would be a huge upgrade to the Evora S or Exige V6s with the S power plant.

The trans is shown to be durable enough, so this is likely to be THE upgrade for NA and S V6 cars.

-Phil
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Phil: NASA 2012 and 2014 TT1 Central Champion, 2005 GG Elige, Rev400, 485+whp REV X

2011 Pearl White Evora, BOE Skunk Works 6 SPD 435WHP || 2014 Black Evora Skunk Works IPS 390WHP|| 2011 White Evora Skunk Works IPS 390WHP || 2006 CO Elise, Rev400, Steet Car

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post #11 of 32 (permalink) Old 06-22-2018, 06:47 AM
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On our dyno, the stock S makes about 290whp... it's not comparable to the stock S, not even a little. To get similar peak hp out of a S car, we needed headers, intake, tuning, and cool air. The S car also would of course be much more sensitive to heat given how fast the blower spins and no charge cooling...

In other words, this would be a huge upgrade to the Evora S or Exige V6s with the S power plant.

The trans is shown to be durable enough, so this is likely to be THE upgrade for NA and S V6 cars.

-Phil
How about the clutch, axles, and traction control?

For the charge cooling radiator up front, any plans for anything to protect it? I know the A/C evaporator up there is prone to pinhole punctures.

It almost feels like a "why wouldn't you do this?" - So just wondering where the downsides might be.
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post #12 of 32 (permalink) Old 06-22-2018, 06:51 AM
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I had to post again. I really want to see a picture of the engine through the hatch with it closed. I keep feeling like asking how much and how long...

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post #13 of 32 (permalink) Old 06-22-2018, 07:20 AM Thread Starter
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Quote:
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How about the clutch, axles, and traction control?

For the charge cooling radiator up front, any plans for anything to protect it? I know the A/C evaporator up there is prone to pinhole punctures.

It almost feels like a "why wouldn't you do this?" - So just wondering where the downsides might be.
Axles and TC are fine and/or unchanged. The NA clutch is quite good as found in racing. the failures of those clutches tend to be result of one or more of no dead pedal resulting in riding the clutch, fluid boiling and/or bad master cylinders resulting incomplete disengagement... That said, until we have adequate testing on our manual car, I can't say how well the NA clutch will hold. If it's not happy (our car has 35K miles on it), the 400 clutches are strong enough and very cheap... Again, we'll see...

Rocks. It's a low slung sports car and that sort of things comes with the terratory as it does with every other car of a similar nature. There are threads on about every sports car forum with similar complaints. the more you put screens in front of the heat exchangers, the more you block air. Best solution is stay 300 feet back from traffic. if someone wants to add additional screening, they'll need to do their own science project on what it does to cooling.


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I had to post again. I really want to see a picture of the engine through the hatch with it closed. I keep feeling like asking how much and how long...
it's a teaser thread. Enjoy the show. those details will come to fruition when it's ready to launch. Hopefully you can see the substantial progress from this. more work to do... Our aim is in the next 60 days... Cost, looking at the market now for the something similar in Elise land, you have the REV 400 kit at about 8 grand. This system is more complex (more spendy), bigger blower (also more spendy), and has a smaller market... so it will be more than that obviously.

Cheers,

Phil


Phil: NASA 2012 and 2014 TT1 Central Champion, 2005 GG Elige, Rev400, 485+whp REV X

2011 Pearl White Evora, BOE Skunk Works 6 SPD 435WHP || 2014 Black Evora Skunk Works IPS 390WHP|| 2011 White Evora Skunk Works IPS 390WHP || 2006 CO Elise, Rev400, Steet Car

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post #14 of 32 (permalink) Old 06-22-2018, 07:42 AM
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Is the Harrop TVS 1900 CC the reason why BOE have decided not to launch the Evora S Stage 1-3 packages ?
They're always classified as unavailable on BOE's website despite being featured on there for a year or so.
I did write to Andrew @ BOE to clarify about the Evora S Stage 1-3 packages, but never got a reply back.

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post #15 of 32 (permalink) Old 06-22-2018, 07:56 AM
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Quote:
Originally Posted by turbophil View Post

Quote:
Originally Posted by John Z View Post
i hate you <img src="http://www.elisetalk.com/forums/images/smilies/smile.gif" border="0" alt="" title="Smilie" class="inlineimg" />.. you just made things more complicated for me now!

I was planning for the cams.
Cams + headers + the blower is on the drawing board. could that be too much power? [IMG class=inlineimg]/forums/images/LotusTalk_2015/smilies/tango_face_devil.png[/IMG]


Phil
Wait wait wait. I can do both!!? I gotta make a trip out to you for the install of the cams!
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Incase I'm asking for help with something: 2011 Evora N/A C/R 6sp with BOE TVS 1900 S/C kit
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post #16 of 32 (permalink) Old 06-22-2018, 09:09 AM
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Good lord, Phil. This would seem to be THE upgrade kit for first gen Evora when it's all complete.
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post #17 of 32 (permalink) Old 06-22-2018, 09:11 AM Thread Starter
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Is the Harrop TVS 1900 CC the reason why BOE have decided not to launch the Evora S Stage 1-3 packages ?
They're always classified as unavailable on BOE's website despite being featured on there for a year or so.
I did write to Andrew @ BOE to clarify about the Evora S Stage 1-3 packages, but never got a reply back.
Just short on time. We did stage 1 and 2 on the S and it does well. Just haven't gotten to updating the website and my files for distribution.

As for the blower, it has taken about all our extra time over last many many months to get the system ready for distribution. The tuning, programming, ancillary hardware, etc all have taken a fantastic amount of time to develop in addition to regular daily tasks...

-Phil


Phil: NASA 2012 and 2014 TT1 Central Champion, 2005 GG Elige, Rev400, 485+whp REV X

2011 Pearl White Evora, BOE Skunk Works 6 SPD 435WHP || 2014 Black Evora Skunk Works IPS 390WHP|| 2011 White Evora Skunk Works IPS 390WHP || 2006 CO Elise, Rev400, Steet Car

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BOE ClamHinge | BOE TVS SuperCharging, The Most Powerful Track-Worthy Forced Induction | EFI Engine Management | BOE The Essential Fuel Starve Solution| BOE Lotus Tow Package| BOE New-Tech Lotus Race Engines | The Right Oil Filter for Your Lotus | Custom Lotus ECU Tuning


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post #18 of 32 (permalink) Old 06-22-2018, 09:56 PM
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Quote:
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Just short on time. We did stage 1 and 2 on the S and it does well. Just haven't gotten to updating the website and my files for distribution.

As for the blower, it has taken about all our extra time over last many many months to get the system ready for distribution. The tuning, programming, ancillary hardware, etc all have taken a fantastic amount of time to develop in addition to regular daily tasks...

-Phil
Mmm... Seems strange to start a development (Exige S / Evora S Stage 1-3), promote it on BOEs web site & more recently again on LT https://www.lotustalk.com/forums/f232...-check-439393/ , then stall it and start on other developments. Theres zero revenue stream on non availablability, only costs of development
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post #19 of 32 (permalink) Old 06-23-2018, 07:06 PM
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Very impressive Phil !!!
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post #20 of 32 (permalink) Old 06-23-2018, 08:32 PM
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According to SELOC Lotus Forum, both Simply Sports Cars (Australia) and Calibrated Performance (UK) were involved in the development of the new Harrop TVS 1900 with integrated CC.

Logical I guess, as SSC have been installing the (non CC) TVS 1900 to Lotus' for a few years now & had developed a sandwich plate CC option too, but normally only fitted to a built engine. More recently both KomoTec & Jubu had been installing the Harrop TVS 1900 to Lotus as well.

It will be interesting to see how these different 'system integrators' offer installation packages of the Harrop TVS 1900 with integrated CC. SSC are already up & running with their 1st customer install pounding the roads & tracks since March , on the 2nd version of Lotus ECU re-map and they have about 10 customer cars currently under installation at their workshop.

Considering Lotus Cars have been fitting uprated clutches / gearbox oil coolers to their 380-430 Evora & Exiges (which have torque figures pinned back to just above Evora S levels) I recon to get a robust install will be more involved than simply bolting-on the Harrop TVS 1900 CC. The 6 speed manual gear box fitted to Evora & Exige V6s is the Aisin BG6, which has a maximum torque rating of 400 NM / 295 ft lb http://www.izb-online.com/uploads/tx...esentation.pdf
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Last edited by cain-it; 06-25-2018 at 07:44 AM.
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