Question on Gear Upgrade
Thread Starter
Teching In
Joined: Aug 2003
Posts: 20
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From: Indy
Question on Gear Upgrade I recently picked up my first Camaro with an Auto trans, my other four were all T56's. My question is that after going thru the rpo codes...I discovered that this car has the 2.73's in it...or at least that is what was ordered on the car...my guess from the way it accelerates...it must still be in there. Is there anything good about these gears other than cruising the Interstates or should I upgrade to 3.42's or 3.73's? Also...for this 94Z, what brand or brands seem to perform the best and with the least gear noise?
12 Second Club
Joined: Sep 2007
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From: Portage Pa.
I recently picked up my first Camaro with an Auto trans, my other four were all T56's. My question is that after going thru the rpo codes...I discovered that this car has the 2.73's in it...or at least that is what was ordered on the car...my guess from the way it accelerates...it must still be in there. Is there anything good about these gears other than cruising the Interstates or should I upgrade to 3.42's or 3.73's? Also...for this 94Z, what brand or brands seem to perform the best and with the least gear noise?
Thread Starter
Teching In
Joined: Aug 2003
Posts: 20
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From: Indy
Cool...thanks guys on the info! Now I need to learn more about what's in the rear-end, and what a sieries 2 carrier means...I've heard of it...but now that it applies to me...I need to understand the specifics. Anyone else have anything to add or to recommend?
It looks like if you could get the 2 series carrier with the thick gears your gears might actually be a little stronger? The 3 series seems to have thicker teeth, but the 2 series is .300 thousands thicker, but the teeth also seem deeper. Not sure the .075 thou difference in the top to bottom on the slant to the gear would matter. Could be wrong..
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Staging Lane
Joined: Feb 2010
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Lets keep going with this. So are the series 2 gears stronger? im guessing the pumpkin is shaped different for the two? maybe this is one of the reasons why people explode there 10bolts prematurely. i mean, i dont really hear of those with 2.73 gear ratios breaking as much as much as those with 3.23 and 3.42 if they never changed their gears from factory. to keep this a control, this statement assumes all 2.73 are series 2 and 3.23 and 3.42 series 3. thats how the come factory right?
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Verdad Gallardo rearend housing is the same for 2series 2.73s' and 3series 3.23s' and 3.42s'.
I'm guessing that you don't hear about 2.73 problems because very few mod,race,abuse with those still in rearend. AND we're talking about automatics only as only M6s' had 3.42s' and never 2.73s',so you can't discuss factory vehicles with 3.42s if the discussion is comparing 2.73s' to something else.
I'm guessing that you don't hear about 2.73 problems because very few mod,race,abuse with those still in rearend. AND we're talking about automatics only as only M6s' had 3.42s' and never 2.73s',so you can't discuss factory vehicles with 3.42s if the discussion is comparing 2.73s' to something else.
Joined: Aug 2007
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From: Turnin' Wrenches Infractions: 005
The 2.73 auto LT1 cars cant get out of their own way. I swapped one to 4.10s and it was tons better, although those can turn 3k on the interstate.
Staging Lane
Joined: Feb 2010
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so keeping with autos, would a series 2 3.23 be stronger than a series 3 3.23? in terms of durability from launching if both were of oem grade?
I'd do the gears and the stall! Talk about bringing a car to life! Bob
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PM's disabled, please e-mail me
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https://brutespeed.com/ Link to website
