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Old 01-29-2009, 12:05 AM   #21 (permalink)
Clev
Wannabe greenie
 
Join Date: Aug 2008
Location: Yorba Linda, CA
Posts: 1,098

The Clunker (retired) - '90 Honda Accord EX sedan
Team Honda
90 day: 29.49 mpg (US)

Mountain Goat - '96 Ford Ranger XLT 4x4 SuperCab
90 day: 18 mpg (US)

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Quote:
Originally Posted by Christ View Post
I thought lower was better as well... since opening the throttle more increases VE by lessening restriction via the throttle plate, which reduces vacuum... I was under the impression that regardless of gear or engine speed, less vacuum would create better efficiency.
On my car, the more throttle, the lower the vacuum. When I'm climbing the hill, if I give it slightly less gas, the vacuum goes from 3 to 6. Does that mean I'm using more gas by using less throttle?

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