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Camaro V6 LFX Engine, Exhaust, and Bolt-Ons For all LFX related parts

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Old 06-25-2012, 10:53 PM   #1
Yohan
 
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Hypermiling

After driving my new Camaro 1LT for first 1500 miles, I've noticed the following:

For city driving, the car seems to perform best in 3rd gear, around 40-45mph. When reaching 45-50 mph, let go of gas, and coast in 3rd, and it revs to about 1100-1200 rpm, for about 5-6 seconds, till it reaches 40mph again...get on gas to about 1500rpm, and take it back to 45-50 mph, then coast again, etc...car shines in this range for city driving, and gets me easily 26-27 mpg city. When taking off, it will eat abuot .2-.3 from your avg MPG as you accelerate from 1st to 3rd gear at around 2000rpm, but once you hit that 3rd gear and get into the 45mph range, it shines and makes nice MPG.

Now trying to find the highway "sweetspot". Seems like it likes the cruise control 65mph range, but need to test more. Anyone else notice this? Any other suggestions or tips are welcome, please.
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Old 06-25-2012, 11:20 PM   #2
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My car kinda lugs below 70 in 6th. For 65-70 and above freeway driving I use 6th. The rest of the time I use 5th. I get around 24.5 mpg in a 140 mile work round trip of 300% canyon, 60% freeway and 10% city. On the freeway only, I get 26-27 mpg driving around 70-75. I coast when I can without having to lean on the brakes, otherwise I shift down on steep hills, the manual holds the car back nicely.
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Old 06-25-2012, 11:24 PM   #3
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Quote:
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My car kinda lugs below 70 in 6th. For 65-70 and above freeway driving I use 6th. The rest of the time I use 5th. I get around 24.5 mpg in a 140 mile work round trip of 300% canyon, 60% freeway and 10% city. On the freeway only, I get 26-27 mpg driving around 70-75. I coast when I can without having to lean on the brakes, otherwise I shift down on steep hills, the manual holds the car back nicely.

370% is a lot!!! LOL
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Old 06-26-2012, 12:29 AM   #4
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Woops!! 30%! Yeah I get extra good mileage on the canyon LOL!!
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Old 06-26-2012, 06:15 AM   #5
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I'm loving my ride home - I take a scenic lakeshore drive along the Great Lakes here in Michigan and the speed limit is 35mph. I'll usually do 40mph, but I throw it in 6th gear as soon as I'm holding my speed. 40mph in 6th gear doing about 1200rpms... over 30mpgs, cha-ching!
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Old 06-26-2012, 06:18 PM   #6
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Thanks for the tips Henry & meissen. Will def try the paddles and stay on 6th hwy and see what happens
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Old 06-26-2012, 06:37 PM   #7
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First rule of hypermiling, don't drive a 2 ton car.

Best highway mileage is at 55mph in any car because that's what the test is done at so it's optimized for it. Also aero drag increases exponentially above that.
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Old 06-26-2012, 06:57 PM   #8
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Quote:
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First rule of hypermiling, don't drive a 2 ton car.
^^ LOL ^^



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Old 06-26-2012, 08:04 PM   #9
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Originally Posted by Synner View Post
First rule of hypermiling, don't drive a 2 ton car.

Best highway mileage is at 55mph in any car because that's what the test is done at so it's optimized for it. Also aero drag increases exponentially above that.
Thx Synner,

BTW, at 3700 lbs, it's not a 2 ton car--this aint no Challenger forum
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Old 06-26-2012, 08:09 PM   #10
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OMG, my wife took my camaro for a "spin", and when I gave it to her I was at 26.4 mpg. When she came back it was at 24.1

When she got out of car, she handed me the keys and said, "Don't you just love hitting 80mph down the street"
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Old 06-26-2012, 08:13 PM   #11
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3750 is dry weight. Add battery (50lbs), tank of fuel 19*6 (114lbs)+ however much you weigh.
So unless you're less than roughly 86lbs you're rollin down the road > 2 tons


Edit: Forgot oil capacity and radiator fluid. Too lazy top do the math. But that would have you under 86lbs.
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Old 06-26-2012, 08:14 PM   #12
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LOL yeah women like Camaros too. My wife loves ours. She even encouraged me to get the exhaust and CAI too! At one time in the 90's we both had 5.0's, then I got a Corvette. We love us some fast fun cars...
About the MPGs...the EPA uses a complicated system now. It is not just a run at 55 mph...they do all kinds of speeds, loads, A/C, etc to try and make the test realistic. If you have trouble falling asleep read all the info here....

http://www.fueleconomy.gov/feg/fe_test_schedules.shtml
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Old 06-26-2012, 08:21 PM   #13
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LOL yeah women like Camaros too. My wife loves ours. She even encouraged me to get the exhaust and CAI too! At one time in the 90's we both had 5.0's, then I got a Corvette. We love us some fast fun cars...
About the MPGs...the EPA uses a complicated system now. It is not just a run at 55 mph...they do all kinds of speeds, loads, A/C, etc to try and make the test realistic. If you have trouble falling asleep read all the info here....

http://www.fueleconomy.gov/feg/fe_test_schedules.shtml
Thanks for the link, will look into it. Same here, my wife was cool with me getting the CAI, and after installing it yesterday, and taking her out to dinner to "thank" her, she kept on rolling down the window to hear the new growl sound Let's just say its a turn-on
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Old 06-26-2012, 08:32 PM   #14
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Originally Posted by Synner View Post
3750 is dry weight. Add battery (50lbs), tank of fuel 19*6 (114lbs)+ however much you weigh.
So unless you're less than roughly 86lbs you're rollin down the road > 2 tons


Edit: Forgot oil capacity and radiator fluid. Too lazy top do the math. But that would have you under 86lbs.
Fixed static weight= 3750+/- depending on trim.

Variable additional weight= driver weight, gas, etc.

Variables are different, and that's why this is not considered. Also, can't assume a full tank of gas, or fluids, btw.

therefore, defenitely < "2 ton car"(and I'm 5'11 160lbs).

Hypermiling is not about the car per se, but how to get the get best mpg out of the said car. One of the cool things about the v6 LFX is the 323hp, while getting nice mpg at that weight.
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Old 06-26-2012, 08:49 PM   #15
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I understand the concept but I'm also considering reality and not a brochure statistic. But if you can drive a car without battery, gas, oil, coolant, or driver then that would certainly help. Cause variable aint imaginary. LOL. And weight is this cars primary limiting factor which was my whole point.

But I'd love me some direct injection.
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Old 06-26-2012, 09:57 PM   #16
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I understand the concept but I'm also considering reality and not a brochure statistic. But if you can drive a car without battery, gas, oil, coolant, or driver then that would certainly help. Cause variable aint imaginary. LOL. And weight is this cars primary limiting factor which was my whole point.

But I'd love me some direct injection.
Fair enough, but then it's an individual thing. Can't claim that every stock Camaro v6 weighs the same or 2 tons. Variables can make it a sub 2 ton "car" as in my case, and husky 400lb driver on 28" could make it a 3 ton, lol.

And yes, these DI engines, gotta lov'em
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Old 07-04-2012, 01:26 PM   #17
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GM reports curb weight with all fluids topped off. Don't know if that includes a full tank of gas.
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Old 07-04-2012, 09:11 PM   #18
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I average right at 25MPG commuting back and forth to work. 4 miles of that trip is slowing down and speeding up at under 55 MPH. The other 6 miles is a straight shot at 75MPH. That's just me driving it like a car. No babying, but not hot rodding.

On a straight highway run for 270 miles, I was maintaining 28.5 MPG with the cruise set at 75MPH, AC on, passenger, and a back seat and truck loaded with junk + a full ice chest.

Good enough for me. Life is too short to keep the tach on the left side :p
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Old 07-04-2012, 09:57 PM   #19
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after 6 weeks, the best I've done so far 24.8 mpg with CAI kit, driving it normal, 30% city, 70% hwy. Very happy so far.

After testing, I think that some fuels are better than others. Also, the main gas eater on these cars is at start-up, and accelerating 1st-3rd.
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Old 07-05-2012, 10:23 AM   #20
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Terrible gas millage

all my driving is around town and im getting 18mgp's at most. my car is only 2 weeks old and I have 800 miles. Maybe I need to break it in more. any suggestions.
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Old 07-05-2012, 02:51 PM   #21
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That's right on par for all city driving, Gman5001.
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Old 07-05-2012, 03:10 PM   #22
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Gman, theres a few things u can do to improv that. Try to never stay on idled, except for start up when car warms up. Also, moderately accelerate, and when u get to around 45 pmh, let gas go and coast around the 1200-1500 rpm range, then get back on gas once u drop to 40mph, and repeat. U can easily get 23 mpg city this way.
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Old 07-05-2012, 04:52 PM   #23
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Are there any mods that would help.
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Old 07-05-2012, 06:24 PM   #24
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Are there any mods that would help.
Yes, but it will involved a 2 part approach:

1) Lighten up the car. The car needs to shed some weight, and a few things like lighter battery, exhaust upgrade, removal of spare tire, and lighter after market wheels/tire combo can shed 100-150 lbs. That will help, especially with rotating parts, like the wheels and tires.

2) Get a cold air intake: some of the best are "Cold Air Inductions", "Roto-Fab", "Injen", or "Volant". helps car breathe much better, and should notice 1-2 mpg extra just from this. A tune optimizing your car for city driving would be very helpful as well.

Another suggestion, is that the best mpg is usually right after you fill up. Next time u fill up, around 16.3 gallons, reset your avg mpg setting, and avg speed setting. Next, drive off with above tips in mind, mildly accelerating and reaching the 40mph and coasting along, around the 12-1500 rpm range. You'll be shocked how fast your mpg ave will climb to around the 24 mpg range, city.

When starting up from dead stop, and accelerating to the 40mph range, youll lose around .2-.3 off your avg, but if you keep around the 40-45 mph range, coasting, etc., you'll easily gain that back and climb up. The most gains you'll get in the first 1/4 tank, and around 1/2 tank the system will kind of settle, and it will you wont see as much gains or losses, if u stick to the plan
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Old 07-05-2012, 07:27 PM   #25
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Originally Posted by SimpleGreen View Post
I average right at 25MPG commuting back and forth to work. 4 miles of that trip is slowing down and speeding up at under 55 MPH. The other 6 miles is a straight shot at 75MPH. That's just me driving it like a car. No babying, but not hot rodding.

On a straight highway run for 270 miles, I was maintaining 28.5 MPG with the cruise set at 75MPH, AC on, passenger, and a back seat and truck loaded with junk + a full ice chest.

Good enough for me. Life is too short to keep the tach on the left side :p
Yep about the same as my trip results, damn good. I drive 140 miles round trip to work I needed a fun car that didnt kill my wallet. My LFX has fit the bill perfectly, I love my car. I drive freeway/canyon/city around 24-25. Well said the right side of the tach is definitely more fun!
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