How many of you have 4.30 gears? - Ranger-Forums - The Ultimate Ford Ranger Resource


Drivetrain Tech General discussion of drivetrain for the Ford Ranger.

Reply
 
LinkBack Thread Tools Search this Thread
  #1  
Old 02-25-2013
redranger04g's Avatar
Member

Thread Starter
iTrader: (2)
 
Join Date: Apr 2007
Location: Placentia, CA
Posts: 928
How many of you have 4.30 gears?

Just got a quote to change my gears and have my limited slip rebuilt, plan on doing it early next week. Right now I have a 4.0 with 3.55s on 32s. How many of you are using 4.30s? I am torn between 4.10s and 4.30s right now. My rationale is that stock 4x4s come with 4.10s and 31s. So I should get 4.30s for my 32s.

Let me know what you guys think. I'm exited to finally get new gears, been crawling around with 3.55s for some time now.
Reply With Quote
  #2  
Old 03-06-2013
redranger04g's Avatar
Member

Thread Starter
iTrader: (2)
 
Join Date: Apr 2007
Location: Placentia, CA
Posts: 928
Nobody with 4.30s?
Reply With Quote
  #3  
Old 03-06-2013
boyd_835's Avatar
Member
 
Join Date: Jan 2011
Location: lake tapps, wa
Posts: 523
I've never heard if 430 I'd you have 32.5 I would do 456 gears that's what most do for 33 s which is perfect
Reply With Quote
  #4  
Old 03-06-2013
Scrambler82's Avatar
Old Guy User… ltr
iTrader: (12)
 
Join Date: Jul 2009
Location: SoCal
Posts: 6,777
4.30s are available for the 8.8 and moving from 30/31s to 33s they are calculated to be the right gears BUT most people go to 4.56s and get it over with AND just in case 35s are in the works somewhere.

Calculate it out… 4.30/3.55 = 1.154, the change for the gears 3.55s x 1.154 = 4.096 or 4.10s not 4.30, so you are going deep.

4.10s should give you the OEM feel back with 32” tires.
4.30s will give you the feel of more power when taking off, sort of a kick in the @ss but will run the rpms up on the engine on the highway.

If your truck is 2x then why go deep unless you are racing it or want more seat of the pant feel, if a 4x the deeper gears will give you more power on the trail.

An idea, I know this is work but find a friend with 4.10s in their truck, swap your tires on and try it out for how it feels both around town and on the highway, just to see, then make your call.
Reply With Quote
  #5  
Old 03-06-2013
06RangerXLT's Avatar
Member
iTrader: (2)
 
Join Date: Feb 2011
Location: Halton Hills, Ont
Posts: 1,685
i ran 4.56's on 32's with great results. i now am on 33's. i run about 2400 rpm highway but i get 600km to a tank.

its not about RPM, its about engine load. at highway speed i just barely have to rest my foot on the gas. My truck at 60mph is at 42% engine load. when i drive around town with my 4.56's im at 55% normally. Engine working less uses less fuel.

If you plan on ever going to a 33' get 4.56's. if you drive 75%+ highway, get 4.10's or 4.30's.
Reply With Quote
  #6  
Old 03-06-2013
redranger04g's Avatar
Member

Thread Starter
iTrader: (2)
 
Join Date: Apr 2007
Location: Placentia, CA
Posts: 928
Quote:
Originally Posted by Scrambler82 View Post
4.30s are available for the 8.8 and moving from 30/31s to 33s they are calculated to be the right gears BUT most people go to 4.56s and get it over with AND just in case 35s are in the works somewhere.

Calculate it out… 4.30/3.55 = 1.154, the change for the gears 3.55s x 1.154 = 4.096 or 4.10s not 4.30, so you are going deep.

4.10s should give you the OEM feel back with 32” tires.
4.30s will give you the feel of more power when taking off, sort of a kick in the @ss but will run the rpms up on the engine on the highway.

If your truck is 2x then why go deep unless you are racing it or want more seat of the pant feel, if a 4x the deeper gears will give you more power on the trail.

An idea, I know this is work but find a friend with 4.10s in their truck, swap your tires on and try it out for how it feels both around town and on the highway, just to see, then make your call.
Great information, thanks. I think after that calculation I am going to do 4.10s. I don't do a lot of offloading and I am 2wd. I do a lot of highway driving so maybe 4.30s aren't for me.

I just can't wait to get rid of these 3.55s.

Also I never thought about swapping tires on to another truck. I have a buddy with 30s and 4.10s so maybe I'll ask him. It's gonna look like a dragster with 32s in the back and 30s in the front haha
Reply With Quote
  #7  
Old 03-06-2013
boyd_835's Avatar
Member
 
Join Date: Jan 2011
Location: lake tapps, wa
Posts: 523
You switch all of them around not just the back
Reply With Quote
  #8  
Old 03-06-2013
06RangerXLT's Avatar
Member
iTrader: (2)
 
Join Date: Feb 2011
Location: Halton Hills, Ont
Posts: 1,685
or your abs wont be happy.
Reply With Quote
  #9  
Old 03-07-2013
ranger4.0's Avatar
Member
iTrader: (1)
 
Join Date: Jul 2009
Location: cambridge, ontario
Posts: 3,922
4x4 you have to put on all four tires or you will damage the transfer case. or you can pullout the front driveshaft... but tires would be my first choice
Reply With Quote
  #10  
Old 03-08-2013
redranger04g's Avatar
Member

Thread Starter
iTrader: (2)
 
Join Date: Apr 2007
Location: Placentia, CA
Posts: 928
It's a 2wd, but I'll just swap all four. I'll be doing it this weekend. Ill let you guys know how I like the 4.10
Reply With Quote
  #11  
Old 03-08-2013
boyd_835's Avatar
Member
 
Join Date: Jan 2011
Location: lake tapps, wa
Posts: 523
Just cause its a 2wd you still have to rotate the tire it doesn't matter you still have to swap all
Reply With Quote
  #12  
Old 03-08-2013
Scrambler82's Avatar
Old Guy User… ltr
iTrader: (12)
 
Join Date: Jul 2009
Location: SoCal
Posts: 6,777
Quote:
Originally Posted by 06RangerXLT View Post
its not about RPM, its about engine load.

It’s all about RPM, which in a way is what you are talking about LOAD...
When you build an engine for frag racing you determine the tire size, the cam working range and then you gear the vehicle to turn max HP rpm when going through the lights. This same thing applies to an everyday vehicle, determine where the engine is making the best torque or for more performance where the high HP is coming in and that is where you gear for.
If your tire size is set then the only thing in a DD that can be changed are the differential gears.
In a 2WD, as the OP has, you only need one set of gears but in a 4WD you need to change both the front and the rear gearing.

IF running 3.55s, your cruising speed at 60 your rpm will be a lot lower than running 4.30 gears and you need to determine where you optimum level is so you can drive comfortable, not over-rev the engine, create unnecessary noise and burn too much gas.

It’s easy, where does you engine makes the best performance, which is where is will get the best MPG, determine that and what speed you want to be going when the engine hits that rpm and you can gear the vehicle accordingly.

Sorry if this is confusing, my way of talking and writing, not good that is.
Reply With Quote
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
How many miles is too many miles? Liftedgreen4x4 General Ford Discussion 10 08-08-2012 11:10 PM
How many miles are too many miles ? TNRanger23 General Ford Discussion 4 11-10-2011 05:38 AM
gears gears gears which to choose? craigs2869 Drivetrain Tech 14 10-07-2011 03:32 AM
how many miles are too many? DillonT General Ford Ranger Discussion 20 04-18-2009 04:19 PM
finally got my system done.(many many pics) rideabikenick Audio & Video Tech 12 02-09-2007 06:17 PM


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off



All times are GMT -6. The time now is 08:43 PM.


We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.