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Old 06-25-2008, 06:12 AM
Compression Ignition Addict
 

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Most efficient RPM - is there one?

Just wondering if there is a "most efficient" RPM. My engine really quiets down at 1,600 RPM and I noticed that my mileage bumps up slightly if I keep it at 1,600 RPM - coincidence?
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Old 06-25-2008, 09:29 AM
John Wood Nut Swinger
 

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Quote:
Originally Posted by Sarasota View Post
Just wondering if there is a "most efficient" RPM. My engine really quiets down at 1,600 RPM and I noticed that my mileage bumps up slightly if I keep it at 1,600 RPM - coincidence?
Best mileage in my truck is 1850-1950rpm.
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Old 06-25-2008, 10:59 AM
Compression Ignition Addict
 

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Watch your EGT's... 600 and low boost... 3-6 psi... Mine is happiest at about 1800...
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Old 06-26-2008, 01:59 AM
Let's go B's!!!!

 

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Whwn I want good milage, it's <700* on the pyro, <6lbs. of boost, and <2000 rpms, and don't lug it.
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