1.410 Gear Set for a LT230 - Defender Source
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  #1  
Old January 10th, 2012, 01:12 PM
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1.410 Gear Set for a LT230

I am looking a good set of gears to convert my LT230 to a 1.410 ratio. I will consider a complete transfer box but shipping may be cost prohibitive... maybe someone local though?

thanks
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  #2  
Old January 10th, 2012, 02:59 PM
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Jay,
What's the benefit of changing to 1.4?
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Old January 10th, 2012, 04:06 PM
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Jay
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Quote:
Originally Posted by Reese_D90 View Post
Jay,
What's the benefit of changing to 1.4?
On the highway, at times, my truck struggles to pull 5th gear on the longer, steeper hills. In addition, I plan on dumping my existing LT77 and replacing it with an R380 that has an even higher 5th gear. Using Ashcroft's calculator and recommendations, a 1.4 gear set should put me right where I need to be... http://www.ashcroft-transmissions.co...atio_calc.html
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Old January 10th, 2012, 06:26 PM
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Quote:
Originally Posted by Reese_D90 View Post
Jay,
What's the benefit of changing to 1.4?
15% lower gearing.

------ Follow up post added January 10th, 2012 06:34 PM ------

Quote:
Originally Posted by Mogly406 View Post
I am looking a good set of gears to convert my LT230 to a 1.410 ratio. I will consider a complete transfer box but shipping may be cost prohibitive... maybe someone local though?

thanks
probably the only way to get the gears stateside. Be carefull what you buy because you can't just put any 1.4 intermediate shaft in any lt230-ie the input shaft gears have different numbers of teeth based on vintage and are not interchangeable. You'll need to make certain what you have under the truck-ie serial number and make sure you get the serial number of the box the 1.4 gears come out of. Dave Ashcroft can tell you if the two will work together. Thats why I suggest that an entire tcase is the way to go. 1.4 tcases tend to bring a healthy buck stateside. Shipping isn't too bad. I have shipped a bunch in rubbermaid tubs with the lid's through bolted on the tub. They ship fedex ground reasonably- 109 lbs without the parking brake. Hope that helps. I handled a group buy from Ashcrofts for members of this site this time last year and Dave gave awesome pricing and waived his core charge fee's- think the order ended up being around 11 tranmissions and transfer cases. Haven't been asked since so I guess the boards appetite was sated.
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  #5  
Old January 10th, 2012, 06:59 PM
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Quote:
Originally Posted by 130Tdi View Post

Hope that helps. I handled a group buy from Ashcrofts for mebers of this site this time last year and Dave gave awesome pricing and waived his core charge fee's- think the order ended up being around 11 tranmissions and transfer cases. Haven't been asked since so I guess the boards appetite was sated.
Thanks Doug, yes that helps a lot. I am planning on ordering an R380 from Ashcroft this week and was going to add the 1.4 gear set to my order, but it looks like he is out of stock.... which is why I am now looking stateside.
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Old January 10th, 2012, 07:23 PM
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I buy them on ebay Uk. Picked up one with 38k for 100gbp. Picked up another for 38gbp. For those prices I'm willing to gamble.
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Old January 11th, 2012, 08:47 AM
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I have a 1.4 and think I would like to go with a 1.2 since I have a 2.8. Doug, what's the best way to determine if a 1.2 would work for me? I have no idea what ring sizes I have in the diffs, but I'm assuming stock nas 110.

update: that ashcroft calculator is really neat. thanks for the tip. I can see that they recommend the target is 2700 rpm at 70mph. with my setup, my current 255/75/16 and the 1.4 I'm at 2900 now, which I can verify the calculator is correct. when I switch to a 255/85/16 which I plan to do this year, I'll be at 2736 which is just about perfect per ashcroft, so sounds like the 1.4 is spot on for me.

That debate is finally over thanks to the calculator.
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