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Old 10-05-2015, 03:54 AM   #339 (permalink)
BabyDiesel
Lean Burn Cruiser!
 
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Join Date: Dec 2012
Location: Johnston County, NC
Posts: 936

Big Blazin' - '88 Chevrolet K5 Blazer Silverado
SUV
90 day: 14.97 mpg (US)

Chili - '00 Honda Insight
Gen-1 Insights
Team Honda
House of Tudor
Team Streamliner
90 day: 72.29 mpg (US)
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Quote:
Originally Posted by pgfpro View Post
A couple manufacturers are working a few different DI, turbo compound, lean burn engines as we speak. The biggest issue will be cost, but i think the efficiency will pay off at the end?
I could see Honda doing such a thing on the 3rd gen Insight. Now that would be an awesome eco car!

Just curious Russell, would it be possible to run lean constantly with my supposed future setup? Such as 16.5-18:1 during accelerating and go 20-25:1 in a stable cruise setting?

Here's some of the work that was done over the weekend. Despite rain every single day, me and my daddy managed to get a new alternator on the Z, new battery, new Aero wipers, antifreeze topped off, oil changed, brakes serviced and the front belly pan modded! No pics of the alt. and battery, as they are your usual mundane swaps.



Double brake clips for better coasting!

Th effect of them has been small, but at least observable. Instead of losing speed slowly down certain familiar hills, now I maintain speed and even gain 0.5 mph! Gain is gain

Here is the mod I made to the belly pan.



Having it off for one day while driving made a huge difference in warm-up times. The temps s-l-o-w-l-y crept up to 175-180 and stabilized, even with a 75% grill block. But why cut ~12" off the back?

You might cannot see it, but the back of the pan curls up. IMO, this trapped air inside the engine bay and it cooked. My fan would kick on several times traveling home @ 220*, and this is with heated vent going, while in lean burn at night! Now the pan fits more snug to the bottom of the car and ventilation seems to be improved. My temps reached a high of 204* driving the same way and route as usual tonight This means I can get away with more grill block! Oh yeah
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Past threads:
ZX2 modding thread
Ecomodder's Top 10: How they do it!
ZX2 Aerodynamics: Shooting for 0.15 Cd
ZX2 coast-down testing for Cd & Crr
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