My 07 with 22.5's Alcoas

[ACooper]

Finally got my 22. 5s installed :--) :--) :--) What a difference in RPMS at 70 and ride quality is better than I expected. I went with the Toyo's M120Z 255/70/22. 5 and are very happy with the road manners. :-laf :-laf . With the gearing in the G56 being as low as they are even with 3. 73's at 70 mph and seeming to need a 7th gear, with my 22. 5s it put me right in the sweet spot at 70. I have not gone on a long road trip yet so I cant post on the mileage just yet.





I will have to say if my truck were a 48re I would not be sure about putting a wheel and tire on this big due to the gear reduction and rolling mass... . with not being able to shift down to slow the rig and picking your own gears with a load.

 

[TClemens]

That looks sick :--) nice truck, makes me want a 3rd gen.

 

[JWaugh]

that looks awesome !!!!



Where did you get the wheels from? how much coin did they set you back?

 

[hammersley]

What have you done for

braking???? I'll be curious as to how your brakes last with this combo... .

 

[Me808garam]

Nice Truck. I got the same rig as you without wheel tire combo. How did you balance those tire and wheels?

 

[b.ferrara]

I don't know about 22. 5 my truck has 19. 5 and my breaks have over a 100k on them. My wifes van has the original breaks and she just turned 92k.

Who said an exhaust break aint worth the money?

 

[ACooper]

that looks awesome !!!!



Where did you get the wheels from? how much coin did they set you back?

Thanks JWaugh... I got the wheels form TEC Equipment here in Portland. They are a Volvo/Mack dealer. Total for everything I am in them about $4000 and everything is new.



I went with the Arrowcraft adapters and they are machined to the thousandths which makes a great application and easy to balance.

 

[ACooper]

Nice Truck. I got the same rig as you without wheel tire combo. How did you balance those tire and wheels?

I thought about centramatics on the front but instead I put equal in the fronts.



typically the rears do not need balancing if they are installed and torqued correctly and lugs are tightened in the right fashion.

 

[RM]

what is the rpm at 70. i see you have a four wheel drive did you have to lift the front? and you think a two wheel drive would have to be lifted much more than 2 inches? at least thats what ive heard. thanks

 

[ACooper]

what is the rpm at 70. i see you have a four wheel drive did you have to lift the front? and you think a two wheel drive would have to be lifted much more than 2 inches? at least thats what ive heard. thanks

I went ahead and leveled my front 2" but it wasn't needed. If you want to run 22. 5s the smallest tires that are most commonly ran are the 255/70/22. 5 which are 36. 5" tall. Your fronts would only need a 2" level from what I have been told which to me seems like it would not be enough, full turn to turn without rubbing.



As for the rear I am not sure to be honest with you. I can tell you that once my camper is on the truck the tires may come close to the rear inner dual even being a 4X4... There is a website that will be able to answer all your questions regarding this conversion on a 2 wheel drive. It is Chromewheel.com.





I know they sell 22. 5s that are shaved to 22" so you can run any 22" tires. Most commonly these tires are not rated for 1 Ton use and no where near the tire life. Good luck and I do have more info if you may have questions.





I spent alot of time researching this conversion before I did it.

 

[ACooper]

what is the rpm at 70. i see you have a four wheel drive did you have to lift the front? and you think a two wheel drive would have to be lifted much more than 2 inches? at least thats what ive heard. thanks

As for my RPMS they are now at 1700 @ 70. I am very happy with this and so far have seen 3MPG increase on highway after my speedo calibration.

 

[JeepMedicFabrication]

As for my RPMS they are now at 1700 @ 70. I am very happy with this and so far have seen 3MPG increase on highway after my speedo calibration.

How did you recalibrate your speedo?

I have an 07 with 35"s and need to recalabrate mine...

 

[pipeguy]

Looks great !



I have been kicking around the idea of putting 22. 5" floats on my 2500 4x4.



What is the quality of the adapter like?



I think I would go with new wheels too...



Are the tires you are using drives on all 4 corners?



How is that working out for you?

 

[ACooper]

How did you recalibrate your speedo?

I have an 07 with 35"s and need to recalabrate mine...

I went to Speedometer services here in Portland and they have a wheel dyno and software to find the revolutions on any vehicle.

 

[ACooper]

Looks great !



I have been kicking around the idea of putting 22. 5" floats on my 2500 4x4.



What is the quality of the adapter like?



I think I would go with new wheels too...



Are the tires you are using drives on all 4 corners?



How is that working out for you?

The Arrowcraft adapters are machined to the thousanths and fit perfectly. They are very heavy duty and top notch all the way. I too was concerned about this and once I pulled them from the shipping box I was very impressed! I am a person for quality and these adapters are superb!



Tires are drives on all corners and have no complaints so far.



A little loss of power on the lower end but once she is chipped it will be non exsistent.

 

[JeepMedicFabrication]

I went to Speedometer services here in Portland and they have a wheel dyno and software to find the revolutions on any vehicle.

Do you know how they calibrated the computer? I am assuming they have there own software to recalabrated the computer.



Jerry

 

[ACooper]

Do you know how they calibrated the computer? I am assuming they have there own software to recalabrated the computer.



Jerry

It is a software program... My 05 with 22's on 37" Toyo MT I had them calibrate also and at the time it was early 05 and they had to call a source and update to the new ECM codes. Since a had to go there twice they did it for free when they had the software updated. Great people to deal with!!!