09-22-2012, 05:53 AM | #1 |
Drives: 45th Anniv 2SS/RS Convertible Join Date: Aug 2012
Location: Florida
Posts: 63
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Highway Cruising RPM range?
All,
Have a 2012 2SSRS auto trans.... When cruising on the highway at 70-75, I feel like my RPM is kinda high, what does everyone else find that their RPM range to be when on the highway? What would be considered high? |
09-22-2012, 05:59 AM | #2 |
Drives: Black 2011 2SS/RS M6 Join Date: Feb 2012
Location: Rockford, MI
Posts: 27
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You do not say how many rpm's
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Life begins at the end of your comfort zone - Neale Donald Walsch
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09-22-2012, 08:43 AM | #3 |
Drives: 2SS/RS Join Date: Sep 2008
Location: Western North Carolina
Posts: 7,173
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I know before I was tuned cruising at 80 was 2,200 rpms and after tuned it's now 2,100.
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09-22-2012, 11:20 AM | #4 |
Drives: SUMMIT WHITE 2SS/RS CAMARO Join Date: Feb 2008
Location: 2018: Lakewood Ranch, Fl.
Posts: 8,108
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At 70-75 on the interstates my Auto SS tach reads just about 2,000 rpm.
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09-22-2012, 12:00 PM | #5 |
2 grand is about right i believe, wonder what the OP is reading?
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09-22-2012, 12:41 PM | #6 |
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What rearend gear?
The dreaded drone zone, I betcha. |
09-22-2012, 12:48 PM | #7 |
Chu no guat a hasa is?
Drives: 14 Jeep G Cherokee Overland HEMI Join Date: Jun 2011
Location: Some where in So Cal
Posts: 4,273
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I concur
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09-22-2012, 01:34 PM | #8 |
Drives: 2011 SS-RS Join Date: May 2011
Location: FLORIDA
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09-22-2012, 05:18 PM | #9 |
Drives: CGM 2SS/RS, 1987 & 2014 Silverado Join Date: Oct 2010
Location: Spencerport, NY
Posts: 1,012
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RPM is dependant on the drive gear you are in and the final gear ratio, in a l99 the rear end is 3.27. What do you feel is excessive?
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09-22-2012, 06:49 PM | #10 | |
Drives: something faster than you Join Date: Aug 2010
Location: where dem hoes be
Posts: 315
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Quote:
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09-22-2012, 08:16 PM | #11 |
Drives: 2SS/RS Join Date: Sep 2008
Location: Western North Carolina
Posts: 7,173
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09-22-2012, 08:23 PM | #12 |
Motor Head
Drives: CTS-V Join Date: Feb 2009
Location: So MD
Posts: 494
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Could be tire size change or reduction of torque converter slip.
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09-22-2012, 09:07 PM | #13 |
Drives: 1989 GTA Trans Am Join Date: Jun 2012
Location: Cypress, California
Posts: 610
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"Could be tire size change or reduction of torque converter slip."
I experienced that when I changed torque converters. I chalked it up to torque converter slip in the old torque converter. In your case I don't know unless maybe the tuner added more line pressure? |
09-23-2012, 03:52 AM | #14 |
Drives: 45th Anniv 2SS/RS Convertible Join Date: Aug 2012
Location: Florida
Posts: 63
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Sorry, should've mentioned my cruising RPM range is in the 2400 2600 range.
Reference the drone mentioned, is that the "rattle like" sound that I hear coming from the exhaust? |
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