FlyingBrick
I have 3 pedals
before i get flamed for wanting to change the gear ratio, keep in mind that i am running a N/A 6.0 with a manual trans. does anyone know if i would need any spacer of sorts to put a sy/ty front diff in my 3.73 axle?
front diff gear ratio change?
- Thread starter FlyingBrick
- Start date
FlyingBrick
I have 3 pedals
Re: front diff gear ratio change?
??? do i need to use a ring gear spacer to run a syty LSD with my 3.73 differential???
??? do i need to use a ring gear spacer to run a syty LSD with my 3.73 differential???
FlyingBrick
I have 3 pedals
Re: front diff gear ratio change?
i know that they are 3.42s, i am using 3.73s but i want the lsd out of a syty. just want to know if i would need a ring gear spacer to put my 3.73s on the 3.42 diff
i know that they are 3.42s, i am using 3.73s but i want the lsd out of a syty. just want to know if i would need a ring gear spacer to put my 3.73s on the 3.42 diff
85 T clone
New member
Re: front diff gear ratio change?
ok, i know most sytys come with 3.42 gears front and rear, is there any way to get like 3.27 or 3.23, I know what I can get for the rear, but would like to get better top end/gas mileage.
ok, i know most sytys come with 3.42 gears front and rear, is there any way to get like 3.27 or 3.23, I know what I can get for the rear, but would like to get better top end/gas mileage.
FlyingBrick
I have 3 pedals
Re: front diff gear ratio change?
if you have an automatic and a turbo from what i have gathered you wont gain much if anything at all from a gear change, try changing your tire size first. if i am correct the taller your tire is the higher your gear ratio is. someone correct me if i am wrong
if you have an automatic and a turbo from what i have gathered you wont gain much if anything at all from a gear change, try changing your tire size first. if i am correct the taller your tire is the higher your gear ratio is. someone correct me if i am wrong
'JustDreamin'
Dream: 6LV8 Turbo Bravada
Re: front diff gear ratio change?
The ratios I know of that are available for the 7.25" IFS are 3.08, 3.42, 3.73, 4.11, and 4.56.
Taller tires will make your rear gear feel lower numerically. For example, going from 28 to 30" tall tires will make your 3.42's feel more like 3.19's (a ratio that isn't available).
According to Randy's Ring & Pinion, the case break (for the diff) is 3.08 and down, and 3.42 & up. That means that if you've got 3.42's and want to install 3.73's or higher, you can re-use your diff, but if you want to go down to 3.08's, you've got to change diffs (the actual internal guts the gears mount to).
There is no limited slip available for the front diff. There is a locker assembly (Lock-Right 1935), that installs in your existing diff (replacing the spider gears). However, I don't believe anybody really recommends using it on the street. Alot of mixed results. Search on here....
'JustDreamin'
The ratios I know of that are available for the 7.25" IFS are 3.08, 3.42, 3.73, 4.11, and 4.56.
Taller tires will make your rear gear feel lower numerically. For example, going from 28 to 30" tall tires will make your 3.42's feel more like 3.19's (a ratio that isn't available).
According to Randy's Ring & Pinion, the case break (for the diff) is 3.08 and down, and 3.42 & up. That means that if you've got 3.42's and want to install 3.73's or higher, you can re-use your diff, but if you want to go down to 3.08's, you've got to change diffs (the actual internal guts the gears mount to).
There is no limited slip available for the front diff. There is a locker assembly (Lock-Right 1935), that installs in your existing diff (replacing the spider gears). However, I don't believe anybody really recommends using it on the street. Alot of mixed results. Search on here....
'JustDreamin'
FlyingBrick
I have 3 pedals
Re: front diff gear ratio change?
wow i feel like an idiot now, i have been studying sytys for 5 years now and i was under the impression that they have LSDs front and rear (true AWD). thank you for clearing up my ignorance.
wow i feel like an idiot now, i have been studying sytys for 5 years now and i was under the impression that they have LSDs front and rear (true AWD). thank you for clearing up my ignorance.
TYTILIDIE
METH HEAD
Re: front diff gear ratio change?
:rotf:
LSD is a drug that was very popular in the 70's.
You may look in the back of some vans to find some.
:rotf: