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Old 07-28-2008, 12:42 AM   #2 (permalink)
Vince-HX
Ecoformance Engineer
 
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Join Date: Jun 2008
Location: Arizona
Posts: 239

EJ7 - '96 honda civic Hx
Last 3: 58.02 mpg (US)
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What rpm is your engine running @ doing 80 mph?

Leanburn will not activate if the engine is above the vtec-e engagement point, with both valves opening there isnt enough swirl inside to support uber lean mixtures. When driven above the vtec point the engine will return FE like a normal civic.

My hx has a EX tranny and I can only use leanburn to about 65 mph because of my shorter gearing.

One thing about leanburn is that is dislikes any rapid increase in throttle. In fact I read an article about someone who made a circuit to smooth the tps voltages the ecu was seeing and on the Insight it worked pretty well.

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Quote:
Originally Posted by MetroMPG View Post
looking forward to seeing what kind of uber-sipper slinks out of the full race skunkworks.
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