Do Your Own Performance Testing - LotusTalk - The Lotus Cars Community
 
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post #1 of 2 (permalink) Old 08-16-2019, 04:35 PM Thread Starter
glb
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Location: Chester, NJ
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Do Your Own Performance Testing

This kind of thing comes up too frequently, given how easy it is to solve.

People don't know if they got a) what they wanted b) their money's worth with engine mods such as headers, intakes, etc.

If you buy from our excellent suppliers, you might still want to ensure things went your way (especially if someone else installed said items).


Before any work is done.

Choose the RPM range where you’re hoping to gain power.

Use the highest gear you can manage. (Reduces effect of minor timing issues.)

But, NO SHIFTING. That would introduce variables of no value to us, corrupting our data.

Using a digital stopwatch, time your car’s acceleration from say 3500 rpm to redline.

Run it again to double-check.

Only then have the work done.




Go back to same piece of road, with same weight of gas or ? in the car.

Hopefully, about same outside temps.

Run tests again.


Compare results.

(see https://www.lotustalk.com/forums/f25...erience-37912/) PES Experience


------

Note that some headers and some intake kits might boost hp in midrange even tho you want the gain in upper RPMS.

Do your research, ck BOE’s header testing, talk to mfgrs, etc.

------

Trust us, your “butt dyno’ is wildly inaccurate and likely unattractive to boot. LT has ample evidence that ppl are not good at this kind of thing.

Sorry, couldn’t resist adding “boot”.

Short of buying dyno time, this is how you know.

05 elise (BOE Rev300 supercharged, SSRs, shift tower mods, Multivex; HID hi/low beams); 05 Corolla XRS. Past '72 Elan Sprint (I restored), Lotus 7 w/X-flow, TT Supra, Bugeye Sprite, BMW 2002 & 2002tii, '65 GTO.

Driving Tips-https://www.lotustalk.com/forums/f10...art-1-a-49665/
Moss Emergency Line-https://www.lotustalk.com/forums/f10...cy-line-36631/
Bleeding Brakes- https://www.lotustalk.com/forums/f10...-brakes-241138
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post #2 of 2 (permalink) Old 08-18-2019, 03:16 PM Thread Starter
glb
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Bumppity:

Easy to see if your car does what you hoped in less than 30 minutes.

AND

costs nothing!!

05 elise (BOE Rev300 supercharged, SSRs, shift tower mods, Multivex; HID hi/low beams); 05 Corolla XRS. Past '72 Elan Sprint (I restored), Lotus 7 w/X-flow, TT Supra, Bugeye Sprite, BMW 2002 & 2002tii, '65 GTO.

Driving Tips-https://www.lotustalk.com/forums/f10...art-1-a-49665/
Moss Emergency Line-https://www.lotustalk.com/forums/f10...cy-line-36631/
Bleeding Brakes- https://www.lotustalk.com/forums/f10...-brakes-241138
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