Lotus Evora Horsepower numbers - LotusTalk - The Lotus Cars Community
 
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post #1 of 9 (permalink) Old 07-02-2019, 09:01 AM Thread Starter
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Question Lotus Evora Horsepower numbers

Hey guys, so I got the BOE intake installed on 2013 Lotus Evora S IPS and the 2bular header engine protection kit. This caused a major fiasco at the shop since apparently the O2 sensors when removed from the old manifold, are very sensitive so when installed on the new headers caused lean codes galore. 4 o2 sensors later and that problem got resolved but now there were throttle body codes. They replaced the throttle body since it is an inexpensive part and finally tuned the car with the new intake and headers. They are getting about 340 pound feet of torque and 300 horses at the wheel. Has anyone every dynoed (Mustang Dyno) their Evora s and if so what numbers did you get? I am going to pick up the car later today so if there is anything I should look out for or ask the tuner it would be greatly appreciated as I have never done this before! I know the Evora S is supposed to put out 345 horsepower but I assume that is at the crank and not the rear wheel. Thanks in advance!

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post #2 of 9 (permalink) Old 07-02-2019, 09:49 AM
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I think the HP number you pulled on that day is perhaps disappointing but the bloom in torque looks encouraging and after all, that's what you're going to notice day to day.

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post #3 of 9 (permalink) Old 07-02-2019, 08:00 PM
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Different dyno, different strokes. An old plot with Komotec headers (short tubes very similar to 2bular), BOI intake and tune.
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File Type: pdf 13-02-01 BOE Dyno GP +KT Header KT+BOE Tune+BOE CAI.328.pdf (292.8 KB, 54 views)

'17 Evora Sport 410 GP (No. 1 of 9) LMS alloy pan, BOE headers, SSC harness bar
'12 Evora S GP (No. 1 of 14) BOE Prototype Stage 2 - 420+bHp **SOLD**
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post #4 of 9 (permalink) Old 07-03-2019, 06:48 AM
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What shop did you take it to, and what software are they using to change the tune? Are they writing to the stock T4 ECU or have you replaced it?
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post #5 of 9 (permalink) Old 07-03-2019, 07:42 AM
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So torque and horsepower are just math right?

You gain 40 lb ft of torque but lose horsepower?

So either the thing is not breathing and is losing huge on the high end or the math is worng somehow
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post #6 of 9 (permalink) Old 07-03-2019, 07:45 AM
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Without seeing OPs dyno chart, those hp and torque figures seem weird for a supercharged engine. You dont typically see a higher torque value than hp for a relatively high revving supercharged engine. OP - is it possible that your numbers are transposed between torque and hp?
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post #7 of 9 (permalink) Old 07-03-2019, 08:47 AM Thread Starter
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Hey guys, I'm not so sure now. I am going to pick up the car today and get the dyno sheet and post it here. I really appreciate all the help guys!

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post #8 of 9 (permalink) Old 07-03-2019, 11:41 AM
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Quote:
Originally Posted by Champale View Post
OP - is it possible that your numbers are transposed between torque and hp?
Good point. It makes more sense transposed.

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post #9 of 9 (permalink) Old 07-05-2019, 09:25 AM
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Quote:
Originally Posted by Nexus9 View Post
What shop did you take it to, and what software are they using to change the tune? Are they writing to the stock T4 ECU or have you replaced it?
Thanks
Not sure if your question was posed to me or the OP, I don't think the OP got a tune, only added hardware. My car was tuned by BOE, what I posted were 2013 numbers, in 2016 with long tube headers and new tune power is much higher. Lotus uses a T6 EFI unit in the Evoras's and BOE has full code hack.

'17 Evora Sport 410 GP (No. 1 of 9) LMS alloy pan, BOE headers, SSC harness bar
'12 Evora S GP (No. 1 of 14) BOE Prototype Stage 2 - 420+bHp **SOLD**
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