33's to 31'sa

BrianPK · 08-17-2008, 10:35 AM

alright y'all, here's the skeevy...

i've got a set of 4 33'' bfg all terrains on my rig at the moment. i own another set of 31'' bfg's on toyota rims, so it'd just be a swap.

i'm taking a 2 hour drive this week, i'm wondering if the fuel mileage gain will be that noticeable... i know my speedo might be a lil off, but what i'm mostly concerned with is the diff in gas mileage

any takers?

tacomaman06 · 08-17-2008, 10:37 AM

Quote:

Originally Posted by BrianPK

alright y'all, here's the skeevy...

i've got a set of 4 33'' bfg all terrains on my rig at the moment. i own another set of 31'' bfg's on toyota rims, so it'd just be a swap.

i'm taking a 2 hour drive this week, i'm wondering if the fuel mileage gain will be that noticeable... i know my speedo might be a lil off, but what i'm mostly concerned with is the diff in gas mileage

any takers?

going from the 33 to the 31's will make mileage go up a bit i think, since the 31's wont be as heavy. go for it......let us know the results man. are the 31's on steelies or alloys........and same for the 33's??

Janster · 08-17-2008, 11:45 AM

You've got 33's on now? Did you have the speedometer recalibrated to the 33's? Did you change your gearing? IF NO - and you still have the factory gears - then with 31" tires, the speedo and distance will be correct/more accurate.

I'm wondering how you figured out your gas mileage with the 33's - and how you'll compare it with the 31's.

pittim · 08-17-2008, 09:37 PM

Quote:

Originally Posted by Janster

You've got 33's on now? Did you have the speedometer recalibrated to the 33's? Did you change your gearing? IF NO - and you still have the factory gears - then with 31" tires, the speedo and distance will be correct/more accurate.

I'm wondering how you figured out your gas mileage with the 33's - and how you'll compare it with the 31's.

Math.

Miles on tank /gallons to refill tank = miles per gallon

tigerfan00 · 08-17-2008, 09:43 PM

Quote:

Originally Posted by pittim

Math.

Miles on tank /gallons to refill tank = miles per gallon

that wont work if the speedo etc is off from having 33s...

your odometer will be off too and itll throw off your calculations

BrianPK · 08-20-2008, 10:23 PM

my speedo, and my odo are both spot on. i got 290 miles on a full tank the other day. a lot of it was high way so i'm getting about 16mpg

so, next i'll try the 31's with another recal

Janster · 08-20-2008, 10:29 PM

Quote:

Originally Posted by BrianPK

my speedo, and my odo are both spot on. i got 290 miles on a full tank the other day. a lot of it was high way so i'm getting about 16mpg

so, next i'll try the 31's with another recal

How do you know your speedo is correct (with 33's)?

BrianPK · 08-24-2008, 10:38 PM

shoot man, i live in california... lol

seriously tho, there's a "this is the speed limit, and this is your speed" sign i pass all the time. it reads the same as my speedo. not to mention the tests i ran when i first bought the truck. comparative driving... you know.

08-17-2008, 10:35 AM	#1
BrianPK Offroad Enthusiast Joined: Mar 2007, #1083 Location: Modesto, California Age: 22 Gender: Male Posts: 120 01 TRD 4WD V6 SR5 2001 Xtra Cab Manual 5vz-fe 3.4L V6 CB Radio, 3'' fabtec spacer lift and 3'' body lift flowmaster dual exhaust, deckplate mod, silencer mod, Work in progress pioneer 7900bt stereo with 5X8 infinity speakers all around, and eclipse ex400 amp	33's to 31'sa alright y'all, here's the skeevy... i've got a set of 4 33'' bfg all terrains on my rig at the moment. i own another set of 31'' bfg's on toyota rims, so it'd just be a swap. i'm taking a 2 hour drive this week, i'm wondering if the fuel mileage gain will be that noticeable... i know my speedo might be a lil off, but what i'm mostly concerned with is the diff in gas mileage any takers? __________________ "Was it making that noise before?" "No, that's a new noise..." 01 Tacoma SR5 TRD 4WD V6 5SPD

08-17-2008, 11:45 AM	#3
Janster Pre Senior Citizen Joined: Mar 2007, #1138 Location: Lancaster, PA Age: 41 Gender: Female Posts: 2,907 2007 4.0L 4x4 TRD Sport Access Cab A 2007 Access Cab Automatic 4.0L Advantage Torza top (tri-fold), Husky floor mats, RuffTuff seat covers, C2C hood struts, Homelink mirror, Ipod2car (80gig Classic/4gig nano), Garmin Nuvi 660, Protecta Bed mat, Pop-n-lock, TSB Springs, Scangauge II, Heated drivers seat, Fumoto drain valve, Aries pushbar, PIAA 540 fog lights, Hood scoop grahics, Flowmaster 50 series dual catback exhaust.	You've got 33's on now? Did you have the speedometer recalibrated to the 33's? Did you change your gearing? IF NO - and you still have the factory gears - then with 31" tires, the speedo and distance will be correct/more accurate. I'm wondering how you figured out your gas mileage with the 33's - and how you'll compare it with the 31's. __________________ Our Homepage http://www.lieblweb.com/ My truck photo gallery http://www.lieblweb.com/cpg/thumbnails.php?album=16

08-20-2008, 10:23 PM	#6
BrianPK Offroad Enthusiast Joined: Mar 2007, #1083 Location: Modesto, California Age: 22 Gender: Male Posts: 120 01 TRD 4WD V6 SR5 2001 Xtra Cab Manual 5vz-fe 3.4L V6 CB Radio, 3'' fabtec spacer lift and 3'' body lift flowmaster dual exhaust, deckplate mod, silencer mod, Work in progress pioneer 7900bt stereo with 5X8 infinity speakers all around, and eclipse ex400 amp	my speedo, and my odo are both spot on. i got 290 miles on a full tank the other day. a lot of it was high way so i'm getting about 16mpg so, next i'll try the 31's with another recal __________________ "Was it making that noise before?" "No, that's a new noise..." 01 Tacoma SR5 TRD 4WD V6 5SPD

08-24-2008, 10:38 PM	#8
BrianPK Offroad Enthusiast Joined: Mar 2007, #1083 Location: Modesto, California Age: 22 Gender: Male Posts: 120 01 TRD 4WD V6 SR5 2001 Xtra Cab Manual 5vz-fe 3.4L V6 CB Radio, 3'' fabtec spacer lift and 3'' body lift flowmaster dual exhaust, deckplate mod, silencer mod, Work in progress pioneer 7900bt stereo with 5X8 infinity speakers all around, and eclipse ex400 amp	shoot man, i live in california... lol seriously tho, there's a "this is the speed limit, and this is your speed" sign i pass all the time. it reads the same as my speedo. not to mention the tests i ran when i first bought the truck. comparative driving... you know. __________________ "Was it making that noise before?" "No, that's a new noise..." 01 Tacoma SR5 TRD 4WD V6 5SPD

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