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TomO · 09-28-2009, 10:23 AM

VTEC-E can engage from 2500-3300 RPMS based on what I've seen for throttle input and vehicle speed. So it would be possible to stay out of VTEC-E and still be in lean burn for quite a while on the highway.

You can always throw an LED on the Spool Solenoid (negative trigger, ECU grounds the solenoid to trigger) to see when VTEC-E engages.

Here's the Factory dyno plot and BSFC for the VX:
Green is torque, blue is BSFC

It might help to calculate your HP at the given RPM Mike.

09-28-2009, 10:23 AM	#10 (permalink)
TomO That VX guy! Join Date: Nov 2007 Location: Mini Soda Posts: 810 Thrifty McGassaver - '94 Civc VX 90 day: 41.98 mpg (US) 2010 Elantra - '010 Elantra GLS 90 day: 27.23 mpg (US) The Tank - '06 Touring DE 90 day: 66.87 mpg (US) Thanks: 71 Thanked 62 Times in 44 Posts	VTEC-E can engage from 2500-3300 RPMS based on what I've seen for throttle input and vehicle speed. So it would be possible to stay out of VTEC-E and still be in lean burn for quite a while on the highway. You can always throw an LED on the Spool Solenoid (negative trigger, ECU grounds the solenoid to trigger) to see when VTEC-E engages. Here's the Factory dyno plot and BSFC for the VX: Green is torque, blue is BSFC It might help to calculate your HP at the given RPM Mike. __________________ CivicVX.com<--- is down for now... PM me if you would like to help resurrect it.