New Honda engine runs 65:1 A/F ratio....WTF?
02-18-2004, 11:17 PM
#1
3.0 BAR
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Join Date: Jan 2004
Posts: 2,075
New Honda engine runs 65:1 A/F ratio....WTF?
http://world.honda.com/news/2003/4031127.html
WTF?
The newly developed 2-liter DOHC i-VTEC I integrates the i-VTEC system, which combines VTEC (Variable Valve Timing and Lift Electronic Control) and VTC (Variable Timing Control), with a newly developed center injection system, for an air-fuel ratio*1 of 65:1, an unprecedented level of ultra-lean combustion. Stable combustion is achieved with considerably less fuel than with conventional direct injection engines, for which an air-fuel ratio of 40:1 was the limit. The new engine makes for sporty driving and a high fuel efficiency of 15.0 km/L*2.
02-18-2004, 11:31 PM
#2
1.5 BAR
Join Date: Mar 2003
Posts: 1,190
Re:New Honda engine runs 65:1 A/F ratio....WTF?
Yeah I read about that engine; the injectors direct fuel directly into the cylinder (they're centered over the piston)... I guess there's less wasted fuel and they can control combustion better 
02-19-2004, 03:10 AM
#6
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Re:New Honda engine runs 65:1 A/F ratio....WTF?
i most recent 350 (359 ci) for our sprint car dynoed out at OVER 800 hp. to be exact it was 807 hp and 731 ft.lbs torq. it it does not h ave direct injection like that. :-) but the 410 we are running does and it makes more hp then that :-)
14.9:1 compression, on meth.
14.9:1 compression, on meth.
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