Horrible Gas Mileage 4-5 Mpg!
08-11-2005, 11:04 AM
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Horrible Gas Mileage 4-5 Mpg!
im so desperate im getting absolutly horrible gas mileage. i own a 1994 toyota pickup dlx 4x4 3.0l v6. it has a 7 inch lift with 35x12.50 bf mud terrains. im still runnin stock gears and realize this is a problem for gas consumption but it shouldnt be this extreme. im running a tru dual exhaust that form stacks. with hollow cats and no mufflers. if theres any other info ive left out please ask. if anyone has any information at all that could help please let me know. i rebuilt the engine 3 months ago from the crankshaft up. i had the throttle body cleaned and replaced fuel filter. please help me. im afraid im gonna have to seel it if my gas mileage doesnt improve soon.
08-11-2005, 11:05 AM
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are you compensating for the differnece from your big tires? your speedometer is going to be off quite a bit.
someone else chime in and tell him excatly what i mean
wade
someone else chime in and tell him excatly what i mean
wade
08-11-2005, 11:07 AM
#3
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EGR system?
are you really running out of gas that fast? or like wade says your running 35in tires on stock gears and speedo specs...thats goign to throw you off a crapload
and rob ALL of your power
are you really running out of gas that fast? or like wade says your running 35in tires on stock gears and speedo specs...thats goign to throw you off a crapload
and rob ALL of your power
08-11-2005, 11:09 AM
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Are you getting 4-5 MPG by what your guages read?
How are you coming to this number?
From what I understand the 3.0 is a gas guzzler and to combine that with 7 inches of lift and 35s on stock gears... I don't know what kind of numbers that would yield but I can't say that I'm completely surprised.
How are you coming to this number?
From what I understand the 3.0 is a gas guzzler and to combine that with 7 inches of lift and 35s on stock gears... I don't know what kind of numbers that would yield but I can't say that I'm completely surprised.
08-11-2005, 11:12 AM
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Hollow cats will kill your low-end torque and force you to put your foot in it and make an already bad situation worse. Not only that, but exhaust scavenging characteristics are changed and excessive unburnt fuel is often "exhausted," further reducing mpg.
You have a lose lose set-up going here in regards to mpg. I hate to say it.
You have a lose lose set-up going here in regards to mpg. I hate to say it.
08-11-2005, 01:49 PM
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gas mioleage
so you think if i put good cats in, aomse mufflers, changed the stock gears it would bring it up that much? it still seemed real low even for that. i live about 5 min from school and just driving back and forth 2 times i use half a tank
08-11-2005, 01:58 PM
#7
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Originally Posted by <96 Runner>
Hollow cats will kill your low-end torque and force you to put your foot in it and make an already bad situation worse. Not only that, but exhaust scavenging characteristics are changed and excessive unburnt fuel is often "exhausted," further reducing mpg.
You have a lose lose set-up going here in regards to mpg. I hate to say it.
You have a lose lose set-up going here in regards to mpg. I hate to say it.
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08-11-2005, 02:01 PM
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Your mileage is so bad cause your rig is so huge...I just had a 1" rbbl and 33" BFG Muds and I got about 3-4 mpg less than before...follow the guidance of the ones above young skywalker (this line taken from waskillywabbit).
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08-11-2005, 06:48 PM
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WHOA! 4-5 mpg! I avereage 20-22 so thats a difference. Maybe you should get some better gears since you have 35's, and get some backpressure in that dual exhaust.
Maybe the O2 sensor is not getting the right reading of the exhaust flow, and giving the ECU a different signal, resulting in richness of fuel; thats my $0.02.
Maybe the O2 sensor is not getting the right reading of the exhaust flow, and giving the ECU a different signal, resulting in richness of fuel; thats my $0.02.
08-11-2005, 09:59 PM
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Your stock tires were probably around 27" tall and now you're running 35's. To compensate for the tire size difference, you must calculate the percentage of size difference, thus giving you truer numbers. My friend showed me how to do this just yesterday. Here is what you do.
27" x 3.14 (pi) = 84.78
35" x 3.14 (pi) = 109.90
84.78 / 109.90 = 0.77 - 1.00 = 23%
Your 35's are 23% BIGGER than the stock tires. Thus if your odometer says you went 35 miles, you times that by 1.23 (23%) to find out you really went just over 43 miles. Same with your speedometer. If it shows you going 65mph, times that by 1.23 (23%) and you're really going almost 80mph! Slowdown!!!
Make sense? Hope this helps...
27" x 3.14 (pi) = 84.78
35" x 3.14 (pi) = 109.90
84.78 / 109.90 = 0.77 - 1.00 = 23%
Your 35's are 23% BIGGER than the stock tires. Thus if your odometer says you went 35 miles, you times that by 1.23 (23%) to find out you really went just over 43 miles. Same with your speedometer. If it shows you going 65mph, times that by 1.23 (23%) and you're really going almost 80mph! Slowdown!!!
Make sense? Hope this helps...
08-12-2005, 06:39 AM
#13
Originally Posted by pitm96
so you think if i put good cats in, aomse mufflers, changed the stock gears it would bring it up that much? it still seemed real low even for that. i live about 5 min from school and just driving back and forth 2 times i use half a tank
you say that you're using a half tank of gas for 20 miles?
you need to fill up - topping the tank off, and either resetting your trip meter or writing down you mileage. drive however long you want, then go top it off again, writing down your mileage again or recording the mileage on the trip meter. also write down EXACTLY how many gallons you put in the tank FROM THE GAS PUMP.
take your miles, correct them for the new tire size as mentioned above, then divide by the amount of fuel you added. that's how you calculate your actual gas mileage.
after that, let's talk about cat's and backpressure.
08-12-2005, 07:16 AM
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You want good mpg putting 35 and 7 inch lift aint the way to do it.They say regular is going to hit 3 bucks a gallon this fall.The days of cheap gas are over.Even with the proper gears its not going to get much better.Get rid of the lift and tires and get something more in line with the size of truck you have like 31s.Thats bad enough.I had a stock 87 4 runner with 31s.Before I changed the gears it was getting around 12mpg.I know you dont want to hear this.35s may look cool but it aint for every day driving with gas at 2.80 a gallon.You can put a 1,000 bucks in gears and still wind up getting rid of it for a fraction of what you stuck in it.Been there done that but what do I know Im just a 43 year old aircraft mechanic.In the end you will have to make the call.Maybe yota will import the oil burners again.Jeep took the chance and their model is selling quit well here.Wake up toyota! what are you waiting for?I for one am tired of feeding the rag heads and the american oil companies.If it cost so much to produce why are they making record profits?Could be bush and his family own quite a bit of oil stock.DA!
08-12-2005, 07:27 AM
#16
Originally Posted by rugerm44
Could be bush and his family own quite a bit of oil stock.DA!
So what if his family owns oil company stock. They're oil people. That's what they know. Why not own stock in them w/ record prices.
The problem is that the oil companies have us by the short-curlys and they know it.
That, and with new international demand (china and india) and then adding to that all the speculation in the oil futures market and you have higher pirces.
If Bush is to blame, then why is it when the SEPTEMBER AND OCTOBER OIL FUTURES went up yesterday, the price at the PUMP for gas that was produced in JULY jumped up by a nickle a gallon. It's called price gouging, profiteering, etc. The media is also driving it by constantly talking about oil prices, yet never mentioning that those prices are for oil that will be delivered 30-60 days from now, so people buy the hype.
Look at the 5 most profitable business types in the world.
1. Oil/Gas Companies
2. Pharmaceutical Companies
3. Insurance Companies
4. Financial Lending Institutions
5. Computer Software Developers/Manufacturers
Those five insudtries make our world go round. Gotta have oil and gas to heat our homes, dirve our cars, etc. Gotta have the drugs to live longer/healthier. Gotta have the insurance to be legal to drive on the roads. Gotta have the banks to borrow money from to buy your vehicle and house. Gotta have the Computer Companies to keep business efficient and profits going.
All those things make and economy function. Loose one, and the economy will directly suffer. They know that and can set their prices accordingly. That's part of living in a capitalist society. I personally prefer it to a socialist society. If you don't then pack your bags for Cuba or China since the quality of life there is so much better than it is here...
just my $0.02. now back on topic.
08-12-2005, 08:53 AM
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Originally Posted by bamachem
Bush and Cheney own ZERO stocks. they all had to be liquidated as part of the process before being sworn in.
So what if his family owns oil company stock. They're oil people. That's what they know. Why not own stock in them w/ record prices.
The problem is that the oil companies have us by the short-curlys and they know it.
So what if his family owns oil company stock. They're oil people. That's what they know. Why not own stock in them w/ record prices.
The problem is that the oil companies have us by the short-curlys and they know it.
bush has no stock, true. his family does, and why shouldnt they? technically youre right, its not illegal, they make a killing, and its their business. so why should that matter? so what?
the so what and why it matters is this: it is unfair to the regular american people who do not have large stacks of cash to sit on and great investments in the very industry thats plaguing production. it is these people who drive the economy. yet it is bush's family (and friends and well wishers and campaign donaters, and etc etc etc etc etc etc) who profits.
instead of having us worry so damn much about oil prices (i dont care if it IS 3 to 6 months away from reaching us or whatever), there should be a concerted effort to lower the price in order to increase demand on all goods, and lower the cost of production and change the way america spends her money.
the average guy who's spending a minimum of $2.50 a gallon for regular is going to freak out about THAT versus saying to himself "gee, i need to invest in ____" or "I need to purchase ____". instead, thats being replaced with "holy crap, i have to stop spending my money on anything but gas!" not to mention the small business man who has a terrible time balancing a budget that will at all rely on deliveries and transportation... the very thing that this country's successful economy was founded on!
all of which is utterly worthless to our currently struggling economy.
its a huge conflict of interest in my eyes to have the very man who should be fighting for us to lower the prices be the same man whos family is benefiting greatly off of rising prices.
i dont blame bush, or republicans.. its not like i think clinton can solve this and democrats are our saviors or something.
its just sad that we cant get a leader who will actually work for us on this issue. tax breaks, incentives, etc for oil companies? COME ON.
08-12-2005, 09:05 AM
#20
1. the tax breaks and incentives are for new capital invested in increasing the capacity of production facilities as well as for new technologies for fuel economy. those are GOOD things in my opinion and worth the tax breaks.
2. do you REALLY think that Bush is basing his economic decisions on how much money his friends and family can make? these people already have plenty of money and if Bush's religious devotion is any indication of his personal character, then i can guarantee you that he's basing his decisions on the info he gets and what he feels and believes is the best for the country as a whole.
3. so what's your suggestion? stifle a free market economy by imposing price or profit limits?
4. struggling economy? sorry lee, but you need to open your eyes and quit looking thru your liberal shaded glasses.
http://news.yahoo.com/s/nm/20050812/...kets_oil_dc_48
2. do you REALLY think that Bush is basing his economic decisions on how much money his friends and family can make? these people already have plenty of money and if Bush's religious devotion is any indication of his personal character, then i can guarantee you that he's basing his decisions on the info he gets and what he feels and believes is the best for the country as a whole.
3. so what's your suggestion? stifle a free market economy by imposing price or profit limits?
4. struggling economy? sorry lee, but you need to open your eyes and quit looking thru your liberal shaded glasses.
http://news.yahoo.com/s/nm/20050812/...kets_oil_dc_48
"The upstream and downstream constraints are real and long-term and we're seeing almost daily examples of them," said Michael Wittner, head of energy market research at Calyon.
"We're going to have a very strong price environment until the steam is taken out of demand or until investment catches up and restores a spare capacity cushion to production and refining."
Supply limitations were underscored on Thursday by the International Energy Agency which cut its estimate of non-OPEC supply growth. Non-OPEC producers are failing to deliver as much oil as expected this year, leaving OPEC to fill the gap.
That has not proved a problem so far, with global markets well supplied on both crude and products.
Stocks held in OECD countries at 54 days of forward demand cover is one of the market's biggest bearish indicators, according to Calyon's Wittner. "But they are being overwhelmed, correctly, by the capacity constraints," he said.
REFINERY WOES
A new snag on Friday in the U.S. refining system, this time at Premcor's 175,000 barrels per day (bpd) refinery in Tennessee, threatened gasoline supplies.
The list of outages includes several units at BP's giant 460,000 barrel-per-day (bpd) refinery in Texas City, and the loss of capacity at ConocoPhillips refinery in Illinois.
Record-high pump prices appear to have had little impact on demand. U.S. gasoline futures hit a record high of $2 a gallon on Friday.
"There seems little standing in the way of the bullish euphoria," said Edward Meir of Man Financial.
Those high prices have yet to take a toll on the world's largest economy. Latest economic data showed U.S. retail sales jumped 1.8 percent last month, with the biggest gain in auto sales due to buyer incentives.
In real terms, stripping out inflation, oil is well below the $80 a barrel on average for the year after the 1979 Iranian revolution.
But at an average of more than $53 for the year to date on U.S. oil, prices are well beyond levels during the 1974 Arab oil embargo.
The diplomatic row over Iran's nuclear program also underpinned prices as dealers feared the potential impact on supplies from OPEC's second-biggest producer if the United Nations were to impose sanctions.
"We're going to have a very strong price environment until the steam is taken out of demand or until investment catches up and restores a spare capacity cushion to production and refining."
Supply limitations were underscored on Thursday by the International Energy Agency which cut its estimate of non-OPEC supply growth. Non-OPEC producers are failing to deliver as much oil as expected this year, leaving OPEC to fill the gap.
That has not proved a problem so far, with global markets well supplied on both crude and products.
Stocks held in OECD countries at 54 days of forward demand cover is one of the market's biggest bearish indicators, according to Calyon's Wittner. "But they are being overwhelmed, correctly, by the capacity constraints," he said.
REFINERY WOES
A new snag on Friday in the U.S. refining system, this time at Premcor's 175,000 barrels per day (bpd) refinery in Tennessee, threatened gasoline supplies.
The list of outages includes several units at BP's giant 460,000 barrel-per-day (bpd) refinery in Texas City, and the loss of capacity at ConocoPhillips refinery in Illinois.
Record-high pump prices appear to have had little impact on demand. U.S. gasoline futures hit a record high of $2 a gallon on Friday.
"There seems little standing in the way of the bullish euphoria," said Edward Meir of Man Financial.
Those high prices have yet to take a toll on the world's largest economy. Latest economic data showed U.S. retail sales jumped 1.8 percent last month, with the biggest gain in auto sales due to buyer incentives.
In real terms, stripping out inflation, oil is well below the $80 a barrel on average for the year after the 1979 Iranian revolution.
But at an average of more than $53 for the year to date on U.S. oil, prices are well beyond levels during the 1974 Arab oil embargo.
The diplomatic row over Iran's nuclear program also underpinned prices as dealers feared the potential impact on supplies from OPEC's second-biggest producer if the United Nations were to impose sanctions.
