I'm inheriting a '93 Infiniti J30 that gets 20 miles per gallon and I want to know a good way to increase its gas mileage. Someone direct me to a good tuning site for beginners. I've seen stuff on atomizers, spinoffs of superchargers, and reducing the car's weight. Thoughts? Thanks.
gas mileage
- Thread starter etherealgrifter
- Start date
Bigger bores, port the head, upgrade the valve train, larger injectors, add a turbo, retard the timing..............................................
where can a learn to do that or find someone to do it, how much $? thanks. its an automatic
what about this?:
http://www.doubleyourmiles.com/index_go.html
what about this?:
http://www.doubleyourmiles.com/index_go.html
Well, from my experience riding in and driving a J30, if you resist the urge to rev the engine to 6k to get power out of it, you'll probably get higher MPG.
Let me give you a subtle hint......YOU WON'T BE INCREASING YOUR GAS MILEAGE BY ANY SIGNIFICANT AMOUNT>>>>>
Originally posted by: Colt45
haha, so that's how these companies make money.. tools like you
ur a helpful sunovabitch, but i swear to god if u call me a tool one more time I'm gonna find you and shove a monkey wrench up ur ass. I'm asking these questions to make sure I don't do anything that a tool WOULD do
Originally posted by: etherealgrifter
Originally posted by: Colt45
haha, so that's how these companies make money.. tools like you
ur a helpful sunovabitch, but i swear to god if u call me a tool one more time I'm gonna find you and shove a monkey wrench up ur ass. I'm asking these questions to make sure I don't do anything that a tool WOULD do
Tool .....and I doubt you have any idea what a monkey wrench is.
hahaha...
Incase you haven't figured it out yet, all of those products are garbage and they don't work.
Think about it; auto manufacturers do everything they can to improve their CAFE numbers. Don't you think they'd already be using these devices if it was that easy?
change your air filter
check and regap your spark plugs (change them if needed)
constantly check the air pressure in your tires
make sure that your brake calipers aren't dragging. Usually the rear parking brake's freeze up.
check your PCV valve and replace it if needed
check and regap your spark plugs (change them if needed)
constantly check the air pressure in your tires
make sure that your brake calipers aren't dragging. Usually the rear parking brake's freeze up.
check your PCV valve and replace it if needed
StageLeft
No Lifer
- Sep 29, 2000
- 70,150
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Don't buy into crap like that fuel atomizer and a tornado fuel saver. If it sounds too good to be true, it's a piece of sh*t.
Basically that mileage sounds reasonable for that car. As long as your spark plugs are good, fuel filter good, air filter good, etc. then you've got to live with what you have. If there's nothing plainly wrong about the drivetrain, then there's not much you can do to help gas mileage. The car you're looking at is rated 18/23, so if you're getting 20, that's normal. You can't do anything to increase that.
Basically that mileage sounds reasonable for that car. As long as your spark plugs are good, fuel filter good, air filter good, etc. then you've got to live with what you have. If there's nothing plainly wrong about the drivetrain, then there's not much you can do to help gas mileage. The car you're looking at is rated 18/23, so if you're getting 20, that's normal. You can't do anything to increase that.
O2's can, and do significantly affect gas mileage. They work best when new, and slowly become less and less sensitive over time. The average lifespan of O2's is around 60K miles on a properly running car. If the car runs rich or lean, or burns oil, that will cut there lifespan even more.
etherealgrifter
first congrats on your new inheritance. infiniti's seem to be nice cars. i, myself, own a nissan sentra and i like it.
as for tips, i think everything has been mentioned: correct tire pressure, alignment, change oils, filters, spark plugs, don't drive hard. also, reduce the weight as much as you can. if there are things in the car that you don't need, strip it out.
on the extreme side, i guess you could try an engine swap like some people already mentioned. seems like your car is RWD, so you would have to find something that is RWD and fits into your car... most likely another infiti engine or nissan engine. if you are considering this, look for specs on your car's engine and ask around in car forums if there are other engines that can fit into your car. then, look for prices of engies online... google it, or ask an autoshop or dealer to see if they can locate one for you.
good luck
chipy
first congrats on your new inheritance. infiniti's seem to be nice cars. i, myself, own a nissan sentra and i like it.
as for tips, i think everything has been mentioned: correct tire pressure, alignment, change oils, filters, spark plugs, don't drive hard. also, reduce the weight as much as you can. if there are things in the car that you don't need, strip it out.
on the extreme side, i guess you could try an engine swap like some people already mentioned. seems like your car is RWD, so you would have to find something that is RWD and fits into your car... most likely another infiti engine or nissan engine. if you are considering this, look for specs on your car's engine and ask around in car forums if there are other engines that can fit into your car. then, look for prices of engies online... google it, or ask an autoshop or dealer to see if they can locate one for you.
good luck
chipy
Toastedlightly
Diamond Member
- Aug 7, 2004
- 7,214
- 6
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