Log In
Register
Forums
Main
Front Page News
The HHR Of The Month
The HHRs Of The Year
General Discussion
Contests
GM Recall Campaigns
General HHR
Maintenance and Upkeep
"How To" Tutorial Library
Problems/Service/Repairs
Commonly Used Part Numbers
HHR SS
HHR SS
SS Specific Service Issues/Repairs
Engine Performance
2.0L Performance Tech
2.2L Performance Tech
2.4L Performance Tech
Racing Discussion
War Stories
Specific Technical Discussion
Drivetrain (Excluding Engine)
Fuel Economy - Hypermiling
Brakes | Suspension | Shocks | Struts
Tires & Wheels
Appearance/Modifications Discussions
Audio and Video
Marketplace
the *new* HHR Marketplace
Retired - Classifieds | Buy | Sell | Trade | Wanted Ads
Supporting Vendors
Inactive Classified Ads
Vendor Directory
Community
Featured HHR Submissions
Site Development, Help and Announcements
Introductions
Celebrations & Observances
Picture & Media
The Lounge
Regional - US
North East
Mid East
South East
North Central
Mid Central
South Central
North Mountain
South Mountain
North Pacific
South Pacific
Regional - Global
Canadian North East
Canadian Mid East
Canadian Mid West
Canadian North Pacific
Mexico/South America
Europe
Asia/Pacific
Gallery
Tools
Car Payment Calculator
Vin Decoder
Members List
Live Feed
Marketplace
Vendor Directory
Become a Vendor
Site Store
the HHR Marketplace
New Posts
View Dark Mode
Please register or login to enable Dark Mode.
Log In
Register
Threads
Google
Threads
Posts
Advanced
Chevy HHR Network
Log In
|
Register
Dark Mode
Please register or login to enable Dark Mode.
Contact Us
Manage Preferences
Archive
Advertising
Cookie Policy
Privacy Statement
Terms of Service
Your Privacy Choices
Affiliate Disclosure
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
×
Log In
Forgot your Password?
By logging into your account, you agree to our
Terms of Use
and
Privacy Policy
, and to the use of cookies as described therein.
or
Login with Facebook
Chevy HHR Network
Specific Technical Discussion
Fuel Economy - Hypermiling
Fuel Economy - Hypermiling
Dedicated to discussions on fuel economy improvements and related modifications.
New Thread
Subscribe
Filters
Page 7 of 9
«
First
<
5
6
7
8
9
>
Threads in Forum:
Fuel Economy - Hypermiling
Forum Tools
Search this Forum
Rating
Thread
/
Thread Starter
Last Post
Replies
Views
85 octane gasoline in Colorado. Void warranty?
(
1
2
)
beachbum1970
on 03-25-2009
08-05-2010
02:13 PM
by
LewiSS
10
10,095
Can I used E-87 Ethanol
(
1
2
3
)
mikey12561
on 07-20-2010
07-21-2010
11:40 AM
by
Greybeard999
21
15,139
HHR - An Aerodynamic Brick?
(
1
2
3
...
Last Page
)
Marcruger
on 10-18-2009
07-17-2010
10:45 PM
by
IgottaWoody
39
7,264
Is The Woolly Worm Needed?
(
1
2
)
urbexHHR
on 07-09-2010
07-14-2010
10:12 PM
by
IgottaWoody
17
18,254
Air Filter / MPG improvments ?
(
1
2
)
Chevy_dork04
on 05-07-2010
07-13-2010
10:40 AM
by
JoeR
16
3,957
Ethanol Free Gas Stations List by State
wagoneer
on 06-21-2010
06-21-2010
01:46 PM
by
wagoneer
0
1,641
MPG versus Final Drive Gear Ratio
(
1
2
3
)
Marcruger
on 04-02-2010
06-09-2010
10:31 AM
by
Jaxon
23
15,358
Instant MPG Questions
tucsondivots
on 05-09-2010
05-12-2010
11:27 PM
by
IgottaWoody
9
2,098
ultimate speed for efficiency?
(
1
2
3
)
i like!
on 11-02-2008
04-26-2010
10:04 PM
by
Mowgli
29
6,961
Tornado vs k&n
(
1
2
)
uncle_zah
on 11-24-2009
03-13-2010
08:10 AM
by
mistermike
13
8,472
A Picture of My MPG
(
1
2
3
)
chevyorange
on 01-05-2009
02-16-2010
06:43 PM
by
urbexHHR
29
5,176
Adding 2-Stroke Oil to Gasonline?
(
1
2
3
)
urbexHHR
on 10-26-2009
01-10-2010
11:15 PM
by
sleeper
20
7,587
Does anybody else's mpg drop when it gets cold?
(
1
2
3
)
Jim's 2009
on 12-11-2009
12-24-2009
07:49 PM
by
esmarkey
21
4,858
Enjoying my gas mileage!
PaulW
on 11-30-2009
12-07-2009
11:37 PM
by
Comfortably Numb
3
2,949
New forum section - Fuel Economy - Hypermiling
(
1
2
)
JonyyB
on 06-26-2008
11-26-2009
11:18 PM
by
Alexman213
16
5,450
Gas milage accuracy?
(
1
2
3
)
texaselky
on 07-31-2009
11-25-2009
05:26 PM
by
Jim's 2009
22
3,650
manual hhr?
(
1
2
3
...
Last Page
)
jaro79
on 03-31-2009
11-21-2009
10:02 PM
by
IgottaWoody
30
8,822
My take on getting better MPG
(
1
2
3
...
Last Page
)
Stryker
on 09-20-2009
10-23-2009
03:29 PM
by
ecl
38
5,660
High Fuel Range
urbexHHR
on 10-04-2009
10-04-2009
01:00 AM
by
urbexHHR
0
1,858
87 or 91 on a 2006 HRH LT
bigjoe
on 09-10-2009
09-16-2009
06:19 PM
by
RaineMan
8
2,104
New Thread
Subscribe
Page 7 of 9
«
First
<
5
6
7
8
9
>
Display Options
Showing threads 121 to 140 of 178
Sorted By
Thread Title
Last Post Time
Thread Start Time
Number of Replies
Number of Views
Thread Starter
Thread Rating
Sort Order
Ascending
Descending
From The
Last Day
Last 2 Days
Last Week
Last 10 Days
Last 2 Weeks
Last Month
Last 45 Days
Last 2 Months
Last 75 Days
Last 100 Days
Last Year
Beginning
Forum Tools
Search this Forum
Mark This Forum Read
View Parent Forum
Search this Forum
:
Advanced Search
New posts
No new posts
Thread is closed
Hot thread with new posts
Hot thread with no new posts
Sorted By
Thread Title
Last Post Time
Thread Start Time
Number of Replies
Number of Views
Thread Starter
Thread Rating
Sort Order
Ascending
Descending
From The
Last Day
Last 2 Days
Last Week
Last 10 Days
Last 2 Weeks
Last Month
Last 45 Days
Last 2 Months
Last 75 Days
Last 100 Days
Last Year
Beginning
All times are GMT -5. The time now is
09:18 AM
.