LT1-LT4 Modifications 1993-97 Gen II Small Block V8

2.73's vs 3.23's Same Carrier??

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Old 06-10-2006, 12:34 AM
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Default 2.73's vs 3.23's Same Carrier??

Does a factory 2.73 car have the same carrier as a 3.23 car? Or does the guy with 2.73s get screwed trying to go with deep gears? And whats the fastest easiets way to find out what gears you have? VIN? Door Tag? Axle Tag? Where do I find out?
Old 06-10-2006, 12:41 AM
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The 2.73 Carrier is a Series 2. The 3.23 and up Carrier is a Series 3. Your Gear Ratio code is in the Glove Box on that printed panel. 2.73 will read GU2, and 3.23 will read GU5.
Old 06-10-2006, 12:44 AM
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soo.. what is the steepest gears a 2.73 car can fit on carrier? Can it go as steep and the 3.23 carrier?
Old 06-10-2006, 12:48 AM
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you can get gears to fit the 2 series carrier... you not doomed by it...
Old 06-10-2006, 12:50 AM
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Just went and looked. One of the many sets of numbers on there was GU2 so I guess im a 2.73 car. Makes me happy in a way cause I know I can get much much more jump with some gears. BUT can I slip 4.10s or 3.73's in a Series 2?
Old 06-10-2006, 12:51 AM
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Up to 3.23 will fit on the Series 2. What number do you have in your Glove Box?
Old 06-10-2006, 12:52 AM
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haha...what do the rest of the numbers and letters stand for? Now I wanna decode the sticker.
Old 06-10-2006, 12:53 AM
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3.23s? Man that sucks. Whats the cheapest way to source a series 3 carrier? I Guess I'll need one.
Old 06-10-2006, 12:57 AM
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Originally Posted by harvickgm
you can get gears to fit the 2 series carrier... you not doomed by it...
I dunno 3.23s arent that deep.
Old 06-10-2006, 01:01 AM
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you can put 3.73's on a 2 series carrier..
Old 06-10-2006, 01:03 AM
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Originally Posted by the_merv
Up to 3.23 will fit on the Series 2. What number do you have in your Glove Box?
?? No offense but I hope you are mistaken.
Old 06-10-2006, 01:09 AM
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Well I was on the fence as far as 3.73s or 4.10s. Maybe this will make my choice for me. I dont see the 4.10s being worth the extra hassle. Not when so many people are tellin me stop at 3.73's anyhow.
Old 06-10-2006, 01:11 AM
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with the 94, i would go 4.10, i would look at Richmond gear.. they have them for the two series... you will love how the 4.10's launch...
Old 06-10-2006, 01:15 AM
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Oh you can get even 4.10s for the series 2?? I am suprised. I thought for sure that it would stop at 3.73s Carriers dont seem to have that big of a range usually. You spoke of gear thickness. Is a strenght issue at hand at all? Or not a concern?
Old 06-10-2006, 01:17 AM
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yes... the difference is the gear is thicker..
Old 06-10-2006, 01:21 AM
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If you have GU5, you have 3.23 Gears factory, which means you have a Series 3 from the Factory. You can go up to 4.11's with that one.
Old 06-10-2006, 01:22 AM
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Originally Posted by the_merv
If you have GU5, you have 3.23 Gears factory, which means you have a Series 3 from the Factory. You can go up to 4.11's with that one.
you can put 4.56's on a 2 series carrier... and with the 3 series you can go higher if need be...
Old 06-10-2006, 01:24 AM
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Originally Posted by the_merv
Up to 3.23 will fit on the Series 2. What number do you have in your Glove Box?
that is wrong. you can get any ratio for the series 2, it's just thicker gears

2.73 is the only standard gear set that will fit the series 2, if you get the special thicker gears you can upgrade to whatever you want (or you can swap to a 3 series and get whatever standard set)
Old 06-10-2006, 01:26 AM
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So bottom line is I dont need to sweat it. cause I can get my 4.10's on my carrier?
Old 06-10-2006, 01:29 AM
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here you go...

http://store.summitracing.com/partde...5&autoview=sku


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