General LSX Automobile Discussion Non-technical LSX related topics.

2:73 to 4:10 gears

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Old 06-23-2007, 10:49 PM
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Default 2:73 to 4:10 gears

so if im planning on switching my gears from the stock 2:73s to 4:10s (or something around this size) is it true that i will have to change out the carrier??? please help...
Old 06-23-2007, 11:01 PM
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anyone out there???
Old 06-23-2007, 11:46 PM
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I dont see any Motive 4.10s for a 2 series carrier that you have. I like the Motives and have had good luck with them.

I did however find some Richmonds for your application that will work. It says not for use with 99+ F-bods, but dis-regard that information. You will just need to grind down some clearance on the block that slides in the carrier. It's not a big deal, I did it to mine with ease.

Here's what I found:http://store.summitracing.com/partde...5&autoview=sku
Old 06-24-2007, 12:01 AM
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you are "supposed" to switch to a 3 series carrier but you can really just use shims and it will work fine.....
Old 06-24-2007, 12:04 AM
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Originally Posted by 01FormulaTA
you are "supposed" to switch to a 3 series carrier but you can really just use shims and it will work fine.....
The above gears I listed for him, are for the 2 series carrier.
Old 06-24-2007, 06:19 PM
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2.73 should actually be a 3 series carrier. They make gears to fit both 2 and 3 series with no issues.
Old 06-24-2007, 06:33 PM
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Nope 2.73s are series 2s. Check into a set of thick gears. Don't let anyone talk you into a spacer. Mine came from Jegs and if you bought the gears and install kit together you got a discount.
Old 06-24-2007, 08:30 PM
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Thunder sells Strange gears with a "thick" (for 2-series carriers) option. No aditional price. I used them in my old A4, when i went 3.42's.
4.10's are a bit steep for an auto BTW. Cruising will be OUT OF THE QUESTION w/ those.
3.73 would be the upper end for a stock auto that will be daily driven, and 4.10's are more for 6 speeds.
Old 06-25-2007, 02:46 PM
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I 2nd going with 3:73's in an auto.
Old 06-25-2007, 03:03 PM
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3rd....i went from 2.73 to 373 and was pretty happy
Old 06-25-2007, 03:13 PM
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yeah alot of people are saying they prefer 3:73s rather then 4:10s in an auto... thanks guys for answering
Old 06-25-2007, 03:36 PM
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btw for the guys that have put larger gears in themselfs, how hard is it, and how long did it take you?
Old 06-26-2007, 04:59 PM
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4:10's is pretty steep for an auto, go with 3:73's
Old 06-26-2007, 05:23 PM
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Had it done by a friend as i've heard the shimming part is the hardest. You have to get it right or the gears will whine. Very easy to take apart and put in new gers though. Might want to just get someone to help with the end portion.
Old 06-26-2007, 10:32 PM
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I went from 2.73s to 3.42s, and I think it's about perfect. Wouldn't go any higher than 3.73s on an auto, you're just gonna run out of gear before it gets into it's power band.
Old 06-26-2007, 10:53 PM
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Originally Posted by hammerdown2000
btw for the guys that have put larger gears in themselfs, how hard is it, and how long did it take you?
From what ive read its not hard, its just VERY time consuming, b/c you have to shim it, then use paint to make sure they line up, then if they dont align you have to take it all apart and either add more or take some shims out.




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