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Old 08-04-2010, 08:06 PM   #14 (permalink)
IsaacCarlson
eco....something or other
 
Join Date: Jul 2009
Location: Colfax, WI
Posts: 724

wood hauler - '91 Ford F-250
Team Pontiac
90 day: 26.69 mpg (US)

Rav - '06 Toyota Rav4 Base
90 day: 26.52 mpg (US)
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Quote:
Originally Posted by Weather Spotter View Post
it could be that there is one pump for 1,3,5 but the valves (run off the crank shaft) determin which one gets the fuel.
It's not a diesel. This is the 4.9 liter. I was thinking maybe there are three small bursts per cylinder and the first two sit on the valve until it opens and then the last one fires? Just thinking out loud....
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1991 F-250:
4.9L, Mazda 5 speed, 4.10 10.25" rear
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