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General Forums => The Mess Hall => Topic started by: bbass on November 09, 2006, 11:39:39 PM
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My 2000 jeep wrangler is an automatic, 4 cylinder. Is there any way to get more power out of my 4 cylinder? Or is there any way to upgrade to a 6 or 8 cylinder? Any help would be greatly appreciated.
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Use the search. It's been discussed recently.
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Change to 'cold air intake', add a 'throttle body spacer', add a ignition spark increase system, and change out the clutch cooler fan with a electric cooler fan.
I have completed all these modifications and see a nice increase to power and milage of my 2001 Wrangler (2.5L).
Hope this helps.
Happy Jeepin :D
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4x4 grey,
What kind of an ignition system did you get? I got an 2001 also.
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just today i put on a 4.0l TB, ford 19lb injectors, pulled out the airbox restrictors. The is a noticeable difference. I allready have electric fan.
I also run premium in my jeep. Allways have, and allways will. I know there is a difference.
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hate to say this but if your car dont call for high test then it dont need it. it wont help it will only hurt your mpg and your over all proformance of the truck high test takes longer to burn and does not burn as hot as regular does. so all your doin it wasting money and killing mpg. and its been pruvin. if you dont have the high cr then then engin dont need it. trust me on this one i used to beleave the same untill i did a test on the dyno and regular made more hp and better mpg on stock cr then high test did by almost 10hp. good luck and i hope you take the time to do it for yourself.
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thats cuz they program the computers to run on regular cuz everything else is too expensive... i run mid grade gas in my s10 and jeep after finding a gas station that has it the same price as regular and i found a noticable power increese..
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My manwell says 87 is preferred in ze Jeep here in California. I went out of state into Colorado and bought 85 octane and could not tell the difference in power. If so, it is too minute for me to tell a difference. I could however tell the price difference of $.30 :roll: .
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you need a real dyno. run both fules and then make your choice.
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My manwell says 87 is preferred in ze Jeep here in California. I went out of state into Colorado and bought 85 octane and could not tell the difference in power. If so, it is too minute for me to tell a difference. I could however tell the price difference of $.30 :roll: .
That is different. Because of the elevation of CO, you do not need the higher octane of 87. 85 is about the same as 87 at altitude.
I wouldn't run premium in a Jeep unless you've done major internal work or are running forced induction. Otherwise, it's a waste of money.
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hate to say this but if your car dont call for high test then it dont need it. it wont help it will only hurt your mpg and your over all proformance of the truck high test takes longer to burn and does not burn as hot as regular does. so all your doin it wasting money and killing mpg. and its been pruvin. if you dont have the high cr then then engin dont need it. trust me on this one i used to beleave the same untill i did a test on the dyno and regular made more hp and better mpg on stock cr then high test did by almost 10hp. good luck and i hope you take the time to do it for yourself.
How the heck do you figure that premium can hurt mpg ? ? I have done my own tests and there is a difference. I burn it in my car, boat, sled, jeep. It doesnt take longer to burn. You can change temperature just by changing the plug.
I own a gas station. I know a thing or two about fuel.
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Do you own a dyno? owning a gas station does not make you have any more say then any other person. 93 octane is pointless in a stock 2.5L, it does not provide better mpg or more power then 87 under the same conditions (AFR/timing/temps etc.). 93 octane is only worthwhile when your car detonates on the lower grades, if your car is doing this then you will see gains by switching over to 93. I plan to run 87 or 89 while my motor is on low boost.
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Kenny your wrong. Check it out on a dyno. And yes, 93 does burn cooler and has a longer burn time. 93 does give you less MPG and power than 87 on any thing lower than 9:1 compression. Unless you have a high compession engine, cam and advanced timing, high octane gas is just wasting you money.
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Come to think of it, my auto instructor talked of new toyota celica's and supra's or whatever sports cars they have, use only high octane gas. Anything else fouls it out. Maybe it is their cam's and valves and stuff. He said that running anything not reccomended was futile. He did say to stay away from cheap gas because all the problems he has seen, like running rich or lean, is a cause of cheap gas.
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Come to think of it, my auto instructor talked of new toyota celica's and supra's or whatever sports cars they have, use only high octane gas. Anything else fouls it out. Maybe it is their cam's and valves and stuff. He said that running anything not reccomended was futile. He did say to stay away from cheap gas because all the problems he has seen, like running rich or lean, is a cause of cheap gas.
The Celica GT4 and the Supra Turbo both need high octane gas to prevent premature detonation caused by the Turbo's. Some Naturally Aspirated engines require high octane fuel also. This is because they use a high compression ratio. RSX Type S, Mini and Mini S are two that come to mind.
'Dirty' fuel can be a problem too. It will cause predetonation under higher RPM's usually. I've had problems running Shell 87 in my Jeep. Engine pinged like crazy when going up any hills.
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Dang, I consider Shell to be good gas and rate it close to Union 76. I was thinking Arco, where I live, to be bad, it is usually somewhere around 5 cents cheaper than everything else.
I have no idea what naturally respirated means, but it sounds expensive, and foreign. :lol:
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bbass, do you have larger tires, the best power gain on my 97 TJ is the 4.88 gears which lets me run AC while climbing hills on the freeway at 70mph with 33X12.50 tires and a 4banger engine.
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Its not a waste of money, cause i dont pay for my fuel :P . I run 91 in my 2006 saab 9-3 and my jeep. I cant see how anyone would be able to prove a difference in mpg using each. There is no way to have the same variables between the two tests. ( wind, temp, terrain etc ) I think it runs better on 91, so thats all that matters. Even if i was paying for it, my 91 is only 5 cents/litre more anyways.
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Yeah, ha ha. I heard about you Canadian's getting fuel for a buck a gallon. :weee: It's all good though , I can ride my motorcycle most of the year down here in Southern California. :hump:
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How the heck do you figure that premium can hurt mpg ? ? I have done my own tests and there is a difference. I burn it in my car, boat, sled, jeep. It doesnt take longer to burn. You can change temperature just by changing the plug.
I own a gas station. I know a thing or two about fuel.
you have no idea what the hell you are talkin about. take the time to look shit up befor you look like an ass on the web. pretty bad to be told of by a 19 year old kid that knows more about your car then you do. as i said regular is all you need. and the whole plug thing is bullshit it only canges the temp eversoslightly. maby 20* at the most. next time you feel like opening your mouth with out the facts DONT. go back to school and learn it for yourself. thanks for thoues of you who backed me up on that good lookin out for another jeeper.
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Yeah, ha ha. I heard about you Canadian's getting fuel for a buck a gallon. :weee: It's all good though , I can ride my motorcycle most of the year down here in Southern California. :hump:
ya but dont they pay for gas buy the liter in Canada? and last time i checked a gallon was bigger than a liter.. so i think it boils down to be about the same.. but i could be wrong.
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How the heck do you figure that premium can hurt mpg ? ? I have done my own tests and there is a difference. I burn it in my car, boat, sled, jeep. It doesnt take longer to burn. You can change temperature just by changing the plug.
I own a gas station. I know a thing or two about fuel.
you have no idea what the hell you are talkin about. take the time to look shit up befor you look like an ass on the web. pretty bad to be told of by a 19 year old kid that knows more about your car then you do. as i said regular is all you need. and the whole plug thing is bullshit it only canges the temp eversoslightly. maby 20* at the most. next time you feel like opening your mouth with out the facts DONT. go back to school and learn it for yourself. thanks for thoues of you who backed me up on that good lookin out for another jeeper.
I still use premium.. My jeep likes it.
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It would not surprise me at all if the news stations reported falsely on the subject. After all, we are all sheeple following the flock wherever they go. But as I stated earlier I understood it was a buck a gallon there for gas, while we pay double and triple that in some area's.
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my gas is 88.9 cents/liter. I think theres 4.5 liters in a gallon, so that make it around 4 bucks a gallon. for reg and 4.22 for premium
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my gas is 88.9 cents/liter. I think theres 4.5 liters in a gallon, so that make it around 4 bucks a gallon. for reg and 4.22 for premium
Not quite....
a litre is equal to .26 gallon....and don;t forget to convert Canadian into USD.
average in Canada right now is .85 per litre.
85 cents in Canada is the same as $.750347 USD today....
I have to go to a meeting, so someone figure out what that all means by the time I get back....
EDIT: Nobody.....$.85CD/litre equals $2.89USD/gallon.....check my math...
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my gas is 88.9 cents/liter. I think theres 4.5 liters in a gallon, so that make it around 4 bucks a gallon. for reg and 4.22 for premium
Not quite....
a litre is equal to .26 gallon....and don;t forget to convert Canadian into USD.
average in Canada right now is .85 per litre.
85 cents in Canada is the same as $.750347 USD today....
I have to go to a meeting, so someone figure out what that all means by the time I get back....
EDIT: Nobody.....$.85CD/litre equals $2.89USD/gallon.....check my math...
ehh.... i was close
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[/quote] I've had problems running Shell 87 in my Jeep. Engine pinged like crazy when going up any hills.[/quote]
A tightwad method for running 87 octane in any vehicle is run a 160 degree stat. Many people say this will throw your CEL, but they are wrong. I run a 160 stat in my 2.5 '98 wrangler, 2000 JGC 4.0, 1996 Geo Tracker- never a CEL or any other problems. Newer vehicles may have problems- but none of those mentioned do. None of those vehicles ever ping now with 87 octane- no matter the manufacturer. Saves me a lot of money in the hot summer on high priced fuel.
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[/quote]I've had problems running Shell 87 in my Jeep. Engine pinged like crazy when going up any hills.[/quote]
I run a 160 thermostat (test your thermostat to make sure it opens at 160 in a pan of hot water before install) in all my vehicles and have since then never pinged on 87 or even 85. 4 cyl or whatever. Works great. A/C, if you have it, blows colder. Engine lasts longer and so does the oil before changing it, too. Belts and hoses last far longer.
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What kind of an ignition system did you get? I got an 2001 also.
It was "Livewire Proformance Distributors"
Sorry for the later response.
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4x4 grey,
What kind of an ignition system did you get? I got an 2001 also.
I actually used a universal ACCEL high output coil, and 8.8 mm wires.... works great
http://www.autozone.com/selectedZip,30127/initialAction,accessoryProductDetail/initialR,NONAPP18354/shopping/selectZip.htm
Sorry, not to sure on how to use this forum, but thats the coil i used, with 8.8 mm high performance wires, and champion platnium plugs... works great
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I now have an Avenger Supercharger, Fire power ignition and e3 plugs.
AND I STILL RUN PREMIUM. :clap:
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I now have an Avenger Supercharger, Fire power ignition and e3 plugs.
AND I STILL RUN PREMIUM. :clap:
sweet supercharger :bow: :bow: :bow: