cold air intakes
#1
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cold air intakes
Hello everybody. Just bought a 2000 4 runner (4cyl, standard shift, no 4wd) and am looking for ways to enhance gas mileage. ive been told 3 major things:
1. install Cold Air Intake
2. bosch 4 prong spark plugs
3. synthetic oil
Any other reccomendations?
thanks in advance,
Aaron
1. install Cold Air Intake
2. bosch 4 prong spark plugs
3. synthetic oil
Any other reccomendations?
thanks in advance,
Aaron
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I dunno about the 2000 rigs, but with my 96 I was told very spefically NOT to use anything except stock (NGK or Denso) plugs, ESPECIALLY NOT the 4 prongers. Check your info before you pursue them.
Anything that improves the flow of gasses into the engine and then back out of the engine will help. Intake, headers, and cat-backs are popular, but I dunno if you'll see enough of a difference to make it worth while.
If you want better gas mileage, get a corolla.
Anything that improves the flow of gasses into the engine and then back out of the engine will help. Intake, headers, and cat-backs are popular, but I dunno if you'll see enough of a difference to make it worth while.
If you want better gas mileage, get a corolla.
Last edited by jacksonpt; 03-17-2003 at 11:50 AM.
#3
Re: cold air intakes
Originally posted by pluffMuddin
Hello everybody. Just bought a 2000 4 runner (4cyl, standard shift, no 4wd) and am looking for ways to enhance gas mileage. ive been told 3 major things:
1. install Cold Air Intake
2. bosch 4 prong spark plugs
3. synthetic oil
Any other reccomendations?
thanks in advance,
Aaron
Hello everybody. Just bought a 2000 4 runner (4cyl, standard shift, no 4wd) and am looking for ways to enhance gas mileage. ive been told 3 major things:
1. install Cold Air Intake
2. bosch 4 prong spark plugs
3. synthetic oil
Any other reccomendations?
thanks in advance,
Aaron
Add: Electric fan, exhaust, and a header to the list.
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four prong plugs
my experience may only be one of a few, but I didn't have much luck (actually no luck) with multi-prong plugs. they burned so hot that they actually destroyed the electrode on the plug. try driving minus a couple cylinders for a while; needless to say I won't go down that road again
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If I may ask, what kind of gas mileage are you getting? I have the same truck and 24 mpg is the best I've gotten. That's after a new fuel filter, plugs (NGK), air filter (stock), and switch over to synthetic oil in the engine, diff, and tranny.
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I was also told by the parts manager at the local dealership that for whatever reason my truck wiuld run better in stock type plugs. I tried dual and 4 prong platinum plugs but they didn't do much.
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Originally posted by donc
I was also told by the parts manager at the local dealership that for whatever reason my truck wiuld run better in stock type plugs. I tried dual and 4 prong platinum plugs but they didn't do much.
I was also told by the parts manager at the local dealership that for whatever reason my truck wiuld run better in stock type plugs. I tried dual and 4 prong platinum plugs but they didn't do much.
TRD told me to switch them to a 1 step colder plug with the suprecharger. They even recommended a few different plugs to me.
Two representatives of Toyota and two different answers...
Go figure.
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Actually, you kind of got the same answer, you're just looking at it from a different perspective. When running a S/C, you do need to run colder plugs. However, you still should NOT be running 4prongers. In the grand scheme of things, I doubt brand matters much, as long as the design is the same.
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Originally posted by SLOYOTA
If I may ask, what kind of gas mileage are you getting? I have the same truck and 24 mpg is the best I've gotten. That's after a new fuel filter, plugs (NGK), air filter (stock), and switch over to synthetic oil in the engine, diff, and tranny.
If I may ask, what kind of gas mileage are you getting? I have the same truck and 24 mpg is the best I've gotten. That's after a new fuel filter, plugs (NGK), air filter (stock), and switch over to synthetic oil in the engine, diff, and tranny.
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I replaced my stock plugs back a 60k with the bosch platinum 4 prongers. now at 98k they haven't burnt out and last time I pulled them they looked good. I didn't notice any increase in performance by using them so I will probably go back to stock at 100k or so.
#12
Originally posted by keisur
be proud, 24 mpg is actually pretty good. are you driving with the tailgate down?
be proud, 24 mpg is actually pretty good. are you driving with the tailgate down?
Besides, that whole tailgate down thing is a whole other topic.
I have yet to see data showing that it improves gas mileage.
I tried both ways on my Tacoma, and didnt see a difference on trips. I got about 18MPG at 80MPH either way.
I hear tonneau covers are the way to go.
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Originally posted by <96 Runner>
I thought the same thing, but then remembered he had a runner, so no tailgate option.
Besides, that whole tailgate down thing is a whole other topic.
I have yet to see data showing that it improves gas mileage.
I tried both ways on my Tacoma, and didnt see a difference on trips. I got about 18MPG at 80MPH either way.
I hear tonneau covers are the way to go.
I thought the same thing, but then remembered he had a runner, so no tailgate option.
Besides, that whole tailgate down thing is a whole other topic.
I have yet to see data showing that it improves gas mileage.
I tried both ways on my Tacoma, and didnt see a difference on trips. I got about 18MPG at 80MPH either way.
I hear tonneau covers are the way to go.
#14
Originally posted by keisur
Sorry I replied about gas mileage and interupted your thread.
Sorry I replied about gas mileage and interupted your thread.
So you get better gas mileage with the tailgate down, and I did not? That's really weird.
What we really need to see is 3 consistent runs at the track with the tailgate up, and 3 with it down. Then get the delta of the two averages. If your theory is correct, the trap speed should be higher. I am curious now, since I only monitored the tailgate down idea 2X with my Tacoma.
(Now I am interupting the thread)
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Re: cold air intakes
Originally posted by pluffMuddin
Hello everybody. Just bought a 2000 4 runner (4cyl, standard shift, no 4wd) and am looking for ways to enhance gas mileage. ive been told 3 major things:
1. install Cold Air Intake
-power improvement: yes
-fuel economy improvement: I don't know
2. bosch 4 prong spark plugs
-definitely not. They simply burn too hot and could do damage.
3. synthetic oil
-yes
Any other reccomendations?
-electric radiator fan
thanks in advance,
Aaron
Hello everybody. Just bought a 2000 4 runner (4cyl, standard shift, no 4wd) and am looking for ways to enhance gas mileage. ive been told 3 major things:
1. install Cold Air Intake
-power improvement: yes
-fuel economy improvement: I don't know
2. bosch 4 prong spark plugs
-definitely not. They simply burn too hot and could do damage.
3. synthetic oil
-yes
Any other reccomendations?
-electric radiator fan
thanks in advance,
Aaron
Al
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HBoss:
awesome. thanks for the input everybody. Now the question is: What are the major differences in cold air intakes? A buddy of mine built one for about 100 bucks. But i see them for sale online for $200 or better. Whats the deal?
thanks again
awesome. thanks for the input everybody. Now the question is: What are the major differences in cold air intakes? A buddy of mine built one for about 100 bucks. But i see them for sale online for $200 or better. Whats the deal?
thanks again
#17
Hi and Welcome to the forums.
If you do the DeckPlate mod, that is effectively a cold air intake when you are moving at a speed above 25mph or so. At idle or in trafic it draws air in from the engine compartment and it tends to be quite warm. Believe it or not, the stock intake system draws air in thru the fender well, far away from the engine bay, so it IS a cold air intake from the word go. But the Elbow is too restrictive and it limits performance.
You will get a decent (if not significant) performance increase if you do the DeckPlate Mod and the ISR Mod in combination. It doesn't hurt Fuel Economy if you don't drive any differently after the installation of the two. But most people fail to realize it since they have their foot in it a lot more.
Hope this helps.
Dr. Z
If you do the DeckPlate mod, that is effectively a cold air intake when you are moving at a speed above 25mph or so. At idle or in trafic it draws air in from the engine compartment and it tends to be quite warm. Believe it or not, the stock intake system draws air in thru the fender well, far away from the engine bay, so it IS a cold air intake from the word go. But the Elbow is too restrictive and it limits performance.
You will get a decent (if not significant) performance increase if you do the DeckPlate Mod and the ISR Mod in combination. It doesn't hurt Fuel Economy if you don't drive any differently after the installation of the two. But most people fail to realize it since they have their foot in it a lot more.
Hope this helps.
Dr. Z
#18
DocZ, Nice write up on the isr mod. I would like to do this, but does anyone know about the legality, emissions wise? I have to pass the inspection, here, every other year. I could just return it to stock config. for the test, I suppose, but that adds another hassle.
thanks,
John
thanks,
John
#19
It is a good thing to put on stuff especially w/ gas prices these days.Try a airfilter,header,exhaust also I bought a magnetic fuel saver from jc whittney and I noticed a gas change for the bettter.hope this helps
#20
Originally posted by furthur
DocZ, Nice write up on the isr mod. I would like to do this, but does anyone know about the legality, emissions wise? I have to pass the inspection, here, every other year. I could just return it to stock config. for the test, I suppose, but that adds another hassle.
thanks,
John
DocZ, Nice write up on the isr mod. I would like to do this, but does anyone know about the legality, emissions wise? I have to pass the inspection, here, every other year. I could just return it to stock config. for the test, I suppose, but that adds another hassle.
thanks,
John