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Originally Posted by James_in_MICH
I need a small V6 with high compression-
I want to run Ethanol all the time, and want high fuel milage.
I am beginning to look around for a new car- but am not happy with the choices I see out there now:
My 2001 Monte Carlo gets around 29 MPG on 87 octane regular with the 3.4 l engine. That's not bad, but we can do better.
Where is a good, small, 2.8 to 3.1 liter V-6, with ethanol compatibility, that would power a Monte Carlo, Malibu, or Impala sized vehicle, and utilize compression, or turbo charge, or the new varible cylinder configuration, that will consistantly get me to the 32-34 highway MPG (24-25 MPG ethanol) range?
Or is this too much of a quest for the holy grail?
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3600 - 22/32 220 hp
11:1 compression and di- 23/33 and 252 hp (+15% hp, +4% mileage)
6 speed - 25/33 and better acceleration (+7% city)
afm - 25/35 (+7-13% hwy)
bas - 29/35 (+17% city)
e-85 - 24/29 (-18%)
$1000 for the 6 speed, $1000 for di pump and injectors, and $1500 for bas to get the same mileage as gasoline. vvt, afm, and compression are very inexpensive from the factory.
8+% mileage and 40% power with a low pressure turbo (add $2000), but then you should use a 4 cylinder to keep the same power level. or another 12% mileage and power with 14:1 compression.
di/bas (stop/start only) should be on every car!
a miller cycle di/bas v6 is a logical match. miller should add 7%. miller can work with vcp, or cam-in-cam vvt.