New mod
04-19-2009 | 04:18 PM
#1
New mod
I was talking to my friend yesterday and came unto the topic of shortening my rear gears. I had never heard of it before but so far all I know is that you gain major torque. Would this be a good idea? "Shortening rear end gears" is what it was called. Anyone done this?
04-19-2009 | 07:38 PM
#2
I was talking to my friend yesterday and came unto the topic of shortening my rear gears. I had never heard of it before but so far all I know is that you gain major torque. Would this be a good idea? "Shortening rear end gears" is what it was called. Anyone done this?
The '09's come stock with a diff ratio of 4.77, while l believe the 04's -08's have a 4.44 (unless you have the base model non-lsd, not sure what ratio they are).
If your interested, mazmart sell's the diff l believe...
04-20-2009 | 01:48 AM
#7
04-20-2009 | 02:21 AM
#8
and less mpg.
04-20-2009 | 04:02 AM
#12
I don't buy Kool-Aid
Joined: Apr 2004
Posts: 8,823
Likes: 2
From: Vegas Baby!
As you know, an engine’s output is rated in horsepower and torque. Torque is pulling power, and it’s best demonstrated as the grunt that gets you moving, while horsepower is what keeps you going.
Without sounding like your high-school physics teacher, torque is the twisting force created in an engine by rotating parts; horsepower is the measurement of how fast torque is being used. Horsepower and torque work hand-in-hand, as horsepower is calculated from torque.
For the average buyer, torque shouldn’t be a deciding factor unless you know you’ll be towing or hauling heavy loads. And that’s where high-torque vehicles will thrive, driving while towing a trailer or maxing out cargo capacity. It will be easier to accelerate and sustain speed with a high-torque car in any situation, but especially with heavy loads.
High-performance cars can also produce gobs of torque that greatly aid in acceleration. That feeling of your eyeballs being sucked into the back of your head in a fast car during heavy right-foot pounding is an example of excessive torque.
Without sounding like your high-school physics teacher, torque is the twisting force created in an engine by rotating parts; horsepower is the measurement of how fast torque is being used. Horsepower and torque work hand-in-hand, as horsepower is calculated from torque.
For the average buyer, torque shouldn’t be a deciding factor unless you know you’ll be towing or hauling heavy loads. And that’s where high-torque vehicles will thrive, driving while towing a trailer or maxing out cargo capacity. It will be easier to accelerate and sustain speed with a high-torque car in any situation, but especially with heavy loads.
High-performance cars can also produce gobs of torque that greatly aid in acceleration. That feeling of your eyeballs being sucked into the back of your head in a fast car during heavy right-foot pounding is an example of excessive torque.
04-20-2009 | 05:46 AM
#13
-turbovtec: keep in mind, what you "gain" down low, you could loose up top. This is why l don't see the point of the swap to 4.77, but then again, l don't race the car...
.. l might see why Mazda decided to go with the 4.777, surely it would have already been posted!
04-20-2009 | 10:37 PM
#17
so mines 4.33?? I want 4.77 so i have more low end than top end. How much would a 4.77 be? installation? Mainly because my acceleration is so bad. Improved 0-60 but then freeway would be much worst. In your opinion guys should i stay as is or go to 4.77?
Last edited by turbovtec; 04-20-2009 at 10:39 PM.
04-21-2009 | 12:50 AM
#19
hello, is this thing on?
Joined: Dec 2008
Posts: 240
Likes: 0
From: Utah
The parts from Mazparts are $845. That is the final drive gears only, you have to remove the pumpkin and replace them. Cruise would still work, but your speedo would be incorrect unless you adjusted the ecu,You can do that with a Cobb AP.
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