gear to mpg ratio?

SSG96GT · May 18th, 2008, 02:43 AM

How bad will 4:10 gears hurt my gas milage? It will be a long time before I ever get to put some forced air on it so I want that off the line power. So how much am I sacrificing?

G.T. Rags · May 18th, 2008, 11:24 AM

1-2 Mpg

HMUSN · May 18th, 2008, 11:25 AM

G.T. Rags · May 18th, 2008, 02:47 PM

he's lieing

i just let him touch me

GT ISZI · May 19th, 2008, 04:50 PM

honestly i didnt even feel a damn thing
prob because i used to like to wind out my gears
but now that i know i have 4.10s i know i get more sucky gas mileage
so i shift straight to fourth from first lol
and i think my gas mileage is better now lol hahaha
all im trying to say is it depends on how you drive lol

plus you buy a mustang knowing that its a v8 and your gonna get bad mpg
so why not go big or go home lol

my advice

go for it

Stang8Grand · May 19th, 2008, 06:13 PM

I agree if gas mileage is any concern you got the wrong car

SSG96GT · May 19th, 2008, 07:25 PM

Im not worried about gas milage, i was just curious how much it effected it.
Thanks

GTsetGO · May 19th, 2008, 07:27 PM

not too bad. my around town mileage went down, but my highway mpg stayed the same

Ryan Paymaster · May 20th, 2008, 02:45 AM

There's a massive sticky going on explaining this issue and the fact is there is very little to no loss in gas mileage. Some people say and swear that they actually have increased gas mileage. Where you're losing the mileage is here: 4.10s are 1. Really Fun and 2. So fun that winding high into the gear is no longer a hard effort nor does it take 80mph in first to hear the motor at high RPM.

I personally have a 4.10 and the car is still abysmal on gas. 15-16.5MPG in the city. Not very efficient, but on the highway I'm actually fine. My gas mileage never really changed, and I don't think it went down. What a 4.10 has done to me, along with rising gas prices is the gear makes me shift quicker. 3,000 RPM is "winding" it on city driving to me and I often go 1>3>5 or even more extreme. I just use one gear, get to my speed and plop it into the highest feasible gear. Hell, the car doesn't stall out at 25MPH in 5th, but it also doesn't sound good or move anywhere either. What I'm saying is this: I'm concious on the fact that I can annihilate my gas mileage at will so I don't. America is feeling the gas prices. They're making us all more aware of our fuel economy but if we're driving Mustangs and not trading them in then we've chosen our own consequence, in our gas, money out of our pockets to enjoy one hell-of-a-car versus putting around in a Honda Fit while a slushbox takes us through the gears and through a gas station car wash.

Keep your damn boat anchor off the gas pedal and your gas milage won't sink faster than the Titanic. Don't waste your time with 3.73 or 3.90, go 4.10 or don't spend the money at all if you're naturally aspirated.

Here's a link discussing the issue on gas mileage with a 3.73 versus 4.10:
Difference in Gas Mileage Between 3.73 and 4.10's

Here's a link explaining RPMs done very nicely by TheBusher:
3.27 vs 3.73 vs 4.10 (took a couple hrs 2 complete... enjoy)

SSG96GT · May 20th, 2008, 07:03 PM

thanks

GT ISZI · May 23rd, 2008, 02:48 PM

Originally Posted by Ryan Paymaster

There's a massive sticky going on explaining this issue and the fact is there is very little to no loss in gas mileage. Some people say and swear that they actually have increased gas mileage. Where you're losing the mileage is here: 4.10s are 1. Really Fun and 2. So fun that winding high into the gear is no longer a hard effort nor does it take 80mph in first to hear the motor at high RPM.

I personally have a 4.10 and the car is still abysmal on gas. 15-16.5MPG in the city. Not very efficient, but on the highway I'm actually fine. My gas mileage never really changed, and I don't think it went down. What a 4.10 has done to me, along with rising gas prices is the gear makes me shift quicker. 3,000 RPM is "winding" it on city driving to me and I often go 1>3>5 or even more extreme. I just use one gear, get to my speed and plop it into the highest feasible gear. Hell, the car doesn't stall out at 25MPH in 5th, but it also doesn't sound good or move anywhere either. What I'm saying is this: I'm concious on the fact that I can annihilate my gas mileage at will so I don't. America is feeling the gas prices. They're making us all more aware of our fuel economy but if we're driving Mustangs and not trading them in then we've chosen our own consequence, in our gas, money out of our pockets to enjoy one hell-of-a-car versus putting around in a Honda Fit while a slushbox takes us through the gears and through a gas station car wash.

Keep your damn boat anchor off the gas pedal and your gas milage won't sink faster than the Titanic. Don't waste your time with 3.73 or 3.90, go 4.10 or don't spend the money at all if you're naturally aspirated.

Here's a link discussing the issue on gas mileage with a 3.73 versus 4.10:
Difference in Gas Mileage Between 3.73 and 4.10's

Here's a link explaining RPMs done very nicely by TheBusher:
3.27 vs 3.73 vs 4.10 (took a couple hrs 2 complete... enjoy)

+12312312983128370823701987301982731

97S281 · May 24th, 2008, 09:28 PM

Dude, you don't buy a mustang and start modding it if you are worried about the gas milage. That's what ricers are for.

TheUNZippee! · May 24th, 2008, 09:29 PM

I am not sure if it will be the same on a New Edge car, but I have 4.10's in my S197, and they have not changed my mpg under normal driving at all.

May 18th, 2008, 02:43 AM	#1
SSG96GT Newbie 1996 GT Join Date: May 2008 Location: Currently Camp Casey, Korea Posts: 27 iTrader: 0 reviews	gear to mpg ratio? How bad will 4:10 gears hurt my gas milage? It will be a long time before I ever get to put some forced air on it so I want that off the line power. So how much am I sacrificing? __________________ 1996 Mustang GT -Full PI Swap -Comp Cams -Steeda Tri-Axe -75mm TB and upper plentum -MAC CAI -MAC LT Headers -Shorty H-pipe with Flowmasters -Lowering springs -18x9 Gunmetal Saleen Wheels wrapped in 275x35x18

May 18th, 2008, 11:25 AM	#3
HMUSN Doc 1986 SVO 48.47@ 12.58 Join Date: Nov 2006 Posts: 37,050 iTrader: 11 reviews	__________________

May 19th, 2008, 04:50 PM	#5
GT ISZI Newbie 1997 CONVERTIBLE GT UNKNOWN Join Date: Apr 2008 Location: TRACY, CA "THE VALLEY" Posts: 47 iTrader: 0 reviews	honestly i didnt even feel a damn thing prob because i used to like to wind out my gears but now that i know i have 4.10s i know i get more sucky gas mileage so i shift straight to fourth from first lol and i think my gas mileage is better now lol hahaha all im trying to say is it depends on how you drive lol plus you buy a mustang knowing that its a v8 and your gonna get bad mpg so why not go big or go home lol my advice go for it __________________ WWW.MYSPACE.COM/IZZLEFOSHIZZLE

May 19th, 2008, 07:25 PM	#7
SSG96GT Newbie 1996 GT Join Date: May 2008 Location: Currently Camp Casey, Korea Posts: 27 iTrader: 0 reviews	Im not worried about gas milage, i was just curious how much it effected it. Thanks __________________ 1996 Mustang GT -Full PI Swap -Comp Cams -Steeda Tri-Axe -75mm TB and upper plentum -MAC CAI -MAC LT Headers -Shorty H-pipe with Flowmasters -Lowering springs -18x9 Gunmetal Saleen Wheels wrapped in 275x35x18

May 19th, 2008, 07:27 PM	#8
GTsetGO Cigar Assassin 2004 Mustang GT 12.88 @ 112 Join Date: Aug 2005 Location: A Galaxy Far, Far Away Posts: 14,081 iTrader: 10 reviews	not too bad. my around town mileage went down, but my highway mpg stayed the same __________________ Cigar Samplers for Sale 2008 Acura TL-S - 2008 Honda Pilot EX-SE

May 19th, 2008, 06:13 PM	#6
Stang8Grand Regular 1996 Mustang GT 13.85 on stock garbage tires Join Date: Aug 2007 Location: Pittsburgh PA Posts: 109 iTrader: 0 reviews	I agree if gas mileage is any concern you got the wrong car

May 20th, 2008, 02:45 AM	#9
Ryan Paymaster Enthusiast 1996 Ford SVT Cobra 13.36@102 Join Date: Jun 2007 Location: Plainfield, IL USA Posts: 661 iTrader: 0 reviews	There's a massive sticky going on explaining this issue and the fact is there is very little to no loss in gas mileage. Some people say and swear that they actually have increased gas mileage. Where you're losing the mileage is here: 4.10s are 1. Really Fun and 2. So fun that winding high into the gear is no longer a hard effort nor does it take 80mph in first to hear the motor at high RPM. I personally have a 4.10 and the car is still abysmal on gas. 15-16.5MPG in the city. Not very efficient, but on the highway I'm actually fine. My gas mileage never really changed, and I don't think it went down. What a 4.10 has done to me, along with rising gas prices is the gear makes me shift quicker. 3,000 RPM is "winding" it on city driving to me and I often go 1>3>5 or even more extreme. I just use one gear, get to my speed and plop it into the highest feasible gear. Hell, the car doesn't stall out at 25MPH in 5th, but it also doesn't sound good or move anywhere either. What I'm saying is this: I'm concious on the fact that I can annihilate my gas mileage at will so I don't. America is feeling the gas prices. They're making us all more aware of our fuel economy but if we're driving Mustangs and not trading them in then we've chosen our own consequence, in our gas, money out of our pockets to enjoy one hell-of-a-car versus putting around in a Honda Fit while a slushbox takes us through the gears and through a gas station car wash. Keep your damn boat anchor off the gas pedal and your gas milage won't sink faster than the Titanic. Don't waste your time with 3.73 or 3.90, go 4.10 or don't spend the money at all if you're naturally aspirated. Here's a link discussing the issue on gas mileage with a 3.73 versus 4.10: Difference in Gas Mileage Between 3.73 and 4.10's Here's a link explaining RPMs done very nicely by TheBusher: 3.27 vs 3.73 vs 4.10 (took a couple hrs 2 complete... enjoy) Last edited by Ryan Paymaster; May 20th, 2008 at 02:53 AM.

May 20th, 2008, 07:03 PM	#10
SSG96GT Newbie 1996 GT Join Date: May 2008 Location: Currently Camp Casey, Korea Posts: 27 iTrader: 0 reviews	thanks __________________ 1996 Mustang GT -Full PI Swap -Comp Cams -Steeda Tri-Axe -75mm TB and upper plentum -MAC CAI -MAC LT Headers -Shorty H-pipe with Flowmasters -Lowering springs -18x9 Gunmetal Saleen Wheels wrapped in 275x35x18

May 24th, 2008, 09:28 PM	#12
97S281 Rollin' 18/ pushin' 2 1997 Saleen S281 Join Date: Feb 2007 Location: The lost highway Posts: 6,673 iTrader: 13 reviews	Dude, you don't buy a mustang and start modding it if you are worried about the gas milage. That's what ricers are for. __________________ MODS IN GARAGE NCMM ORIGINAL BLOWN 96-98 CREW MEMBER # 1

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