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Marauderjack
10-13-2005, 04:35 AM
I am going to order Nitto NT 555 tires and wonder what the rev/mile differential should be to keep the TC and ABS happy??:confused:

Mac runs 245/45's up front and 255/45's out back and rev/mi difference is 13....with 255/45's out back and 235/40's up front the rev/mi difference is 51!! :cool:

What are the upper and lower limits of the difference before the computer goes wackey?? :confused:

Thanks,

Marauderjack :D

Marauderjack
10-13-2005, 06:54 AM
Hellooooo..........Anybody out there?? :confused:

I guess any rev/mile difference will work but I would like to be sure before I order the tires!! :help:

Marauderjack :(

FordNut
10-13-2005, 07:13 AM
Mac runs 245/45's up front and 255/45's out back
This is what I would do if I had stock rims for the back. Since I have widened rims, I use the 255/45's on the front and will be switching between 295/45's and 305/45's on the rear.

Marauderjack
10-13-2005, 07:18 AM
FordNut....

Will a differential of only 13 rev/mile be enough?? The stock tires have a differential of 35 rev/mile??? :confused:

Thanks,

Marauderjack :D

prchrman
10-13-2005, 07:36 AM
deleted because of not reading afore post,...willie

FordNut
10-13-2005, 07:38 AM
So 255/45s will fit on regular MM wheels on the front with no rubbing?
willie
Yes. That's what the KDW2 users are doing. And I believe that's what Glenn used when he went with the Nittos too.

DEFYANT
10-13-2005, 07:40 AM
I did not notice a change when I went with the wide rims and Nitto DR. If it ever stops raining here, I'll get my speed checked with radar and let you know.

FordNut
10-13-2005, 07:41 AM
FordNut....

Will a differential of only 13 rev/mile be enough?? The stock tires have a differential of 35 rev/mile??? :confused:

Thanks,

Marauderjack :D
I can't say for sure since you have an '04 (traction control) but I believe it will be ok. I do know that the ABS light will come on at extended high speed use with all 4 tires the same size, but with slightly larger rears it should be ok. Hopefully somebody with t/c that has tried different sizes will chime in.

DEFYANT
10-13-2005, 07:59 AM
I can't say for sure since you have an '04 (traction control) but I believe it will be ok. I do know that the ABS light will come on at extended high speed use with all 4 tires the same size, but with slightly larger rears it should be ok. Hopefully somebody with t/c that has tried different sizes will chime in.
I have an 04. I usually drive with T/C off. I have not see a problem with it on....

I have a trip to NY coming up, I cruise for awhile with the T/C on to see.

Marauderjack
10-13-2005, 08:03 AM
DEFYANT....

What size tires are you running...if not OEM's??

Thanks,

Marauderjack
:(

snowbird
10-13-2005, 09:02 AM
I am going to order Nitto NT 555 tires and wonder what the rev/mile differential should be to keep the TC and ABS happy??:confused:

Mac runs 245/45's up front and 255/45's out back and rev/mi difference is 13....with 255/45's out back and 235/40's up front the rev/mi difference is 51!! :cool:

What are the upper and lower limits of the difference before the computer goes wackey?? :confused:

Thanks,

Marauderjack :DThe best way to figure out alternate choices with tires is with the link below. Just put your front and rear tires size and check that they met a 5% or higher % difference. Also, i think the computer could accept between about 3 to 5% since it would mimic taking into account the tread usage (of the rears) after a given time. I personnally don't respect the 5% and keep the TC switch at off with no boring side effects.

http://www.tyresave.co.uk/tyresize.html

Good luck

AzMarauder
10-13-2005, 10:14 PM
DEFYANT....

What size tires are you running...if not OEM's??

Thanks,

Marauderjack
:(
I can't speak for DEFYANT but I am running the Nittos with 255/45s on the front and 295/45s on the back. That seemed to be the most common combination (when wide tires were chosen) that I saw at the MVIII in Detroit.

I have not noticed any problem with them.. tho I only have about 400 miles on them since installation.

BillyGman
10-14-2005, 12:00 AM
Just so you know, be advised that the Nitto NT555, and the NT555R are two different types of tires, and it's only the NT555R that is a drag radial tire. the NT555 is NOT.

DEFYANT
10-14-2005, 11:37 PM
DEFYANT....

What size tires are you running...if not OEM's??

Thanks,

Marauderjack
:(
I have the Nitto 305/45R-18 tires on the rears, and stock tire on the front.

Marauderjack
10-15-2005, 03:41 AM
I guess as long as the rears turn slower than the fronts the T/C will behave itself?? ;)

I have choices between 13 rev/mile difference to 51 rev/mile difference since I don't have widened rims!! The OEM difference is 35 rev/mile. :(

If the T/C acts up...I'll turn that sucker off!! :beer:

ABS shouldn't be an issue in any case...should it?? :confused: I guess this is true since ABS kicks in when a wheel STOPS rolling. :bows:

BTW....Any of you priced tires lately?? They are going up fast.....In fact I have a friend who says a trailer manufacturer he knows cannot get tires for the trailers he builds (Tracter Trailers).........I guess sooner or later we'll be getting everything from China!! :argue: Wonder how we will pay for it?? :help:

Marauderjack :cool:

DEFYANT
10-15-2005, 02:00 PM
After my car comes off the dyno, the T/C light is on. The computer throws a fit when the rear wheels are turning and the fronts are not.

After driving a few minutes, it goes off.

FYI

jgc61sr2002
10-15-2005, 04:09 PM
After my car comes off the dyno, the T/C light is on. The computer throws a fit when the rear wheels are turning and the fronts are not.

After driving a few minutes, it goes off.

FYI


The same thing happens on the NY downstate inspections.
A recent change 1996 or newer vehicles do not go on the dyno.
They plug directly into the computer for the emissions test.

Thomas C Potter
10-20-2005, 11:55 AM
On my 03, the winter tires are same dia f and r, and at about 35 mph the TC light comes on with related cylinder cut-out, simply turn off TC. No ABS problem.

My summer tires (265/40 front 285/40 rear) do not have the TC issue unless hard cornering, if TC is left on. I typically turn off TC, and again no ABS problems.

TP

Marauderman
10-20-2005, 04:17 PM
Not sure if this helps anyone or not......but anyway-

I got the Nitto 305's street Drag Radials mentioned by Billy on the rears and the OEM rear size tires moved to the front, the 245/55/18 on the front--

Makes for an interesting ride---really grips the road in the front like clue--to my surprise----a little experiment I'm playing with for now--seems to be kinda exciting......more on this outcome later------Tom