Most efficient RPM - is there one?

Sarasota · #1 (**permalink**) 06-25-2008, 06:12 AM

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?

***strokin_early_99*** · #2 (**permalink**) 06-25-2008, 09:29 AM

Quote:

Originally Posted by Sarasota

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.

CSIPSD · #3 (**permalink**) 06-25-2008, 10:59 AM

Watch your EGT's... 600 and low boost... 3-6 psi... Mine is happiest at about 1800...

**Southpaw** · #4 (**permalink**) 06-26-2008, 01:59 AM

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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