G'day All,
I have a rear wheel drive off road race buggy that currently runs a 60 series rear diff with a 4.11 diff ratio, I am after a higher ratio, somewhere around 3:1. I know you can get a 3.7 for the 60 series but it woun't be high enough. I'm aware I will have to replace the whole rear assembly which is fine. I know rovers run a 3.54 but they are weak as piss, strength is also an issue. So any ideas what 4wd came out with a strong, high ratio??
Thanks
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Rear diff ratio's
Moderators: toaddog, TWISTY, V8Patrol, Moderators
Rear diff ratio's
[i]DAS[/i]
MY05 4.4L V8 Range Rover Vogue
Series 2a Buggy....In the Building
MY05 4.4L V8 Range Rover Vogue
Series 2a Buggy....In the Building
Posts: 3725
Joined: Wed Jun 30, 2004 1:45 pm
Joined: Wed Jun 30, 2004 1:45 pm
Location: Blue Mountains, or on a rig somewhere in bumf*ck idaho
Re: Rear diff ratio's
Probably too big and heavy depending on what vehicle you're running but Dana 60 and GM 14 bolts came out with some very tall gearing. Down to 3.73 (41/11 teeth) and 3.47. They are a huge and VERY strong diff in the 14 boltGURU wrote:G'day All,
I have a rear wheel drive off road race buggy that currently runs a 60 series rear diff with a 4.11 diff ratio, I am after a higher ratio, somewhere around 3:1. I know you can get a 3.7 for the 60 series but it woun't be high enough. I'm aware I will have to replace the whole rear assembly which is fine. I know rovers run a 3.54 but they are weak as piss, strength is also an issue. So any ideas what 4wd came out with a strong, high ratio??
Thanks
http://www.populationparty.org.au/
Re: Rear diff ratio's
Dana 60's and 44's go as high as 3.31. I've got a D60 here - PM me if interested.
Ford 9" have 3:1, 3.25:1, 3.5:1 and up.
Ford 9" have 3:1, 3.25:1, 3.5:1 and up.
Re: Rear diff ratio's
What about Ford 9"? Sounds like you will be up for a custom housing, and Ford 9" have heaps of ratios available. 3.08:1 is common in road cars, or I had a 2.75:1 on a panelvan that had low 1st & 2nd gear box ratios
RN wrote:pussy is out, its the log for me... Thank you Jesus.
Re: Rear diff ratio's
x2. 9inchs go down to I think 2.5:1 from memory. multi choice in housings and centers, spline count etc. would be a better choice80's_delirious wrote:What about Ford 9"? Sounds like you will be up for a custom housing, and Ford 9" have heaps of ratios available. 3.08:1 is common in road cars, or I had a 2.75:1 on a panelvan that had low 1st & 2nd gear box ratios
GU 42td wagon for touring
GU ute for the fun stuff
http://www.allterrain4wd.org.au/
GU ute for the fun stuff
http://www.allterrain4wd.org.au/
Re: Rear diff ratio's
9'', they can be used in the toyota housings
The Silver Bullet - BJ74
Where the actions at Ontrack 4wd Club
http://www.ontrack4wdclub.com/
[url]http://www.cams.com.au/[/url]
Where the actions at Ontrack 4wd Club
http://www.ontrack4wdclub.com/
[url]http://www.cams.com.au/[/url]
Re: Rear diff ratio's
Ok, I don't really want to make a customer case and custom axles, as this is a low budget vehicle.
But interested in the 9" fitting the toyota housing. Is there a 9" centre that would fit the 60 series axles or would I still need custom axles?
But interested in the 9" fitting the toyota housing. Is there a 9" centre that would fit the 60 series axles or would I still need custom axles?
[i]DAS[/i]
MY05 4.4L V8 Range Rover Vogue
Series 2a Buggy....In the Building
MY05 4.4L V8 Range Rover Vogue
Series 2a Buggy....In the Building
Re: Rear diff ratio's
Not sure about the axles, I "think" if using ARB lockers you can change the ford side gears to toyota side gears, you would need to do more research. I have seen a few cruisers using 9'' ford diffs and detroit lockers in cruiser housings with the studs moved to suit and toyota axles.
The Silver Bullet - BJ74
Where the actions at Ontrack 4wd Club
http://www.ontrack4wdclub.com/
[url]http://www.cams.com.au/[/url]
Where the actions at Ontrack 4wd Club
http://www.ontrack4wdclub.com/
[url]http://www.cams.com.au/[/url]
Re: Rear diff ratio's
Patrols have a 3.5 gear ratio. they where used on 4.8 patrol auto GU's.
I ran a set of these for a while, geared the 6.5 turbo nicely.
these gears are huge and would stand up well. they fit the H233b rear diff.
I ran a set of these for a while, geared the 6.5 turbo nicely.
these gears are huge and would stand up well. they fit the H233b rear diff.
Living the dream on the hill that floods
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