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Chevy HHR Network
Specific Technical Discussion
Fuel Economy - Hypermiling
Fuel Economy - Hypermiling
Dedicated to discussions on fuel economy improvements and related modifications.
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Fuel Economy - Hypermiling
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CNG, Auto-Gaz Centrum, sequential (multi-port) injection system
(
1
2
3
)
SlowHHRlt
on 08-14-2012
01-11-2013
09:21 PM
by
SlowHHRlt
28
10,211
Think Thin: GF-6 Latest Spec in Engine Oil
sleeper
on 08-22-2019
08-22-2019
08:23 PM
by
sleeper
0
1,772
E15 gas, is it coming near you ?
(
1
2
)
sleeper
on 06-26-2011
10-23-2011
11:27 PM
by
fastc5
10
5,689
air intake fan?
skyline26
on 11-20-2012
11-21-2012
11:46 AM
by
IgottaWoody
5
1,606
2007 Gas Mileage
(
1
2
)
sking1973
on 08-19-2010
08-22-2010
04:15 PM
by
HHR01844
11
7,410
Hypermiling
(
1
2
3
...
Last Page
)
skates
on 03-17-2011
08-29-2012
01:25 PM
by
egadgetguy
33
10,096
Bosh/STP AutoZone coupons, good 'til 1/15/09 (plugs/wires/air filter)
SindyDix
on 11-30-2008
11-30-2008
11:02 AM
by
SindyDix
0
2,156
Octane Boosters or not?
silverstreet
on 04-17-2013
05-13-2013
09:52 AM
by
Blue Beast (aka Boydie)
4
2,590
Sputtering flow of air from tailpipe w/ idel
Scottrobinn
on 06-06-2017
06-07-2017
06:43 AM
by
Oldblue
4
3,290
Is it possible to buy more fuel at current price?
ScareDe2
on 12-13-2020
12-13-2020
02:11 PM
by
Bonez
3
820
K&N Cold Air Intake
Robert Lancair
on 10-10-2010
10-11-2010
12:11 AM
by
bassbase
1
2,039
2.2 vs 2.4..and other help
(
1
2
)
ramblemutt
on 09-07-2012
12-04-2012
11:14 PM
by
RF2
17
9,530
locking gas cap for an 07 hhr
purity D
on 01-17-2011
01-17-2011
11:20 PM
by
TiggersHHR
4
3,876
Poor economy
(
1
2
3
...
Last Page
)
Peebles24
on 07-20-2012
07-26-2012
08:13 AM
by
ChevroletCustomerService
35
7,502
Enjoying my gas mileage!
PaulW
on 11-30-2009
12-07-2009
11:37 PM
by
Comfortably Numb
3
2,949
Fitch Fuel Catalyst?
(
1
2
3
)
PaperChaseHHR
on 02-18-2013
04-09-2013
07:16 PM
by
hyperv6
21
3,722
Gas Mileage & weather
Overload
on 05-04-2008
05-04-2008
08:29 AM
by
Overload
0
1,366
CNG Compressed Natural Gas
OldSchool57
on 07-26-2012
01-11-2013
02:39 PM
by
Classy7272
9
5,029
Pulse and Glide, Switching to Neutral
nybble
on 05-04-2013
05-04-2013
10:06 AM
by
nybble
2
2,862
hhr fuel economy
(
1
2
)
nmnerf
on 02-20-2011
06-11-2011
01:05 AM
by
nacorona
15
4,876
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