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Topic: Guys with 4.10's How many mpg are you getting...;are they worth it....
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Gear Head
JARED
Member # 779
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posted
 
 
Haha, good milege with 4.10's. Yo would be better off getting 3.73 if you'll be rollin the freeway often
Posts: 5685 | From: EASTBAY | Registered: Jan 2002
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Milesblown03
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Member # 27
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posted
I think JUSTIN was averaging about 2mpg less than with the stock gears. Not bad for the performance gains.. then again, with the way he drives it, im suprised its even that good.
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99 honda 996 superhawk...
03 cobra:422rwhp,399rwtq (before pulley)
New best,12.07@119.9(!!)mph on nittos (cant drive to save my life!)
Posts: 1002 | From: Hayward, CA | Registered: Jun 2000
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ScuEleanor
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Member # 785
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posted
I believe that as long as you are shifting at the same RPM, the only difference you will notice in gas mileage is the loss of top end freeway speed. But yes, you will definetely have to drive slower on the freeway if you want the same gas mileage.
Posts: 77 | From: Santa Clara | Registered: Jan 2002
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Hemi Ted
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Member # 478
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Javier.....If you are worried about gas mileage, don't get 4.10's. Kinda redundant huh?? I run 4.10's, but the last thing on my mind is gas mileage. A friend of mine once asked as I was building a bad ass 340 Dodge Demon motor once "What kind of gas mileage are you gonna get??"
My reply?? "Who Cares!!!!" If you're worried about gas mileage, don't get them. If you would like to propel your car at a faster rate then currently - DO IT! My fox gets crazy, but I love them!
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2005 Dodge Magnum R/T AWD
2003 Suzuki Hayabusa
Anniversary Edition
"Thats Mr. Great Pumpkin to you!"
Posts: 2601 | From: Tomball, TX | Registered: Oct 2001
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stangin'
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Member # 514
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posted
on my 97 cobra i get about 19mpg driving regularly on street/highway. if i really try to conserve, i can get about 21mpg. going to tahoe once b/c of traffic and whatnot, driving about 60-65mph i avg. close to 24 mgp. so its all on how you drive, but like 93ragLX said if you have to ask this question then stick with 3.73. you will get better mpg with them. on my old 97gt with 3.73 i got 22-23mpg easily. hope this helps.
Posts: 2993 | From: Bay Area | Registered: Oct 2001
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Bryan
New Member
Member # 966
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posted
With my 4.10s i get about 230 to the tank. Thats of course, if I keep my foot out of it. I drive minimum 60 miles every day. . .
Posts: 3 | From: Yorba Linda | Registered: Mar 2002
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yesIdid
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Member # 58
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I went 3.73s b/c I plan to install a power-adder later...
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SOLD :(
Black 99 GT w/the 35th Anniversary package
BOUGHT :)
2015 Mustang GT premium w/PP
Posts: 514 | From: San Franpsycho | Registered: Oct 2000
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imbroken
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Member # 165
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posted
I drove to sacramento on a tank and a half... with 4.30 rear end gears  so... you decide 
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I love you Amber! =)
Posts: 1772 | From: Anaheim Hills, Ca | Registered: Feb 2001
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ihatethesesns
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Member # 684
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posted
LOL get blown then have all your driving in town then see what your gas is like. Its not nice, but then agian its hard to keep your foot out of it from stop light to stop light, But on the open road its not bad at all.
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" Friends come and go but enemies Accumulate"
'Fight Crime Shoot First'
Posts: 1283 | From: Toy Shop | Registered: Dec 2001
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v6mustanglover
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Member # 545
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posted
Javier: You don't pay for gas. So why do you care?
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Adam
2004 F150 Crew Cab
6" and 35's
Posts: 1307 | From: Hayward | Registered: Nov 2001
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imbroken
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Member # 165
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posted
4.30's in an AOD... SOHC... or Pushrod motor is not a good idea unless it revs to the moon.. not to mention.. even w/ 4.10's and an AOD! you'll be bouncin off of your rev limiter unless you get a custom chip.. the reason being your system doesn't compensate for the quicker rev..
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I love you Amber! =)
Posts: 1772 | From: Anaheim Hills, Ca | Registered: Feb 2001
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Don
CAFords OG
Member # 938
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posted
I would go with the 4:10s, for a newer SOHC GT. My cousin steve has 4:30s in his 98Cobra and they work fine for his 7300RPM car. When I had my 99 GT I was at the end of third by the end of the 1/4 mile. I think that if I had went to 3:73s it would have just put me into the begging of fourth and not helped much(not sure though). You will notice that you are only at 2000RPMs at 70-75MPH, so 4:10s at the worst would put you at about 2800-3000RPMs at 65-70. Not to bad if that is your normal Highway speed. If you are planning on running all motor go with 4:10s, if not go with 3:73s. My freind has a rearend with 4:10s he might be willing to trade for your stock one and a little cash. You will have to make sure a 98 rearend will fit in a 99 and newer car though. Let me know.
Posts: 962 | From: Manteca, CA | Registered: Feb 2002
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