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Difference between 3 & 4 series carriers??

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Old 12-07-2006, 12:51 PM
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Default Difference between 3 & 4 series carriers??

What is the difference between a 3 series and a 4 series carrier, and dont say 1.

I know you cant interchange ring & pinion gears between a 2 series and a 3 series carrier but what about a 4 series, will 3 series ring & pinion gears fit a 4 series and visa versa?
Old 12-07-2006, 02:43 PM
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Simple answer:

The ring gears are a different thickness because the posi units are different depths.
Old 12-07-2006, 03:03 PM
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cool, so what series do I have in my 2002 Z28 with a torsen? Is it a 4 series?

I ask because I always hear the term 4 series associated with torsens, i had 4.10's installed on my torsen and when i ordered the gears my only two options were to order 4.10's for a 2 series carrier (3.08 and numericaly lower ratio) and 3 series carrier (3.23 and numericaly higher ratio) Ive always thought what you are saying, that its just a different ring gear thickness but if I have a 4 series carrier and 3 series gears installed, that makes me wonder what the difference is.

Last edited by alamantia; 12-07-2006 at 03:20 PM.
Old 12-08-2006, 10:36 AM
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I've never heard of a f-body with a series 4 carrier in it.

If your car has stock gears and posi then you have a Series 3 carrier with 3.42 gears.

All M6's came with 3.42 gears and a series 3 carrier since 1994.
Old 12-08-2006, 11:10 AM
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4 series carriers are found in 12 bolts if I am not mistaken. For instance, when I went to order a new set of gears for my 12 bolt, I was asked if it came with a 3 series or 4 series carrier.

No f-body 10 bolts come with 4 series carriers.
Old 12-08-2006, 11:21 AM
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Originally Posted by Ouija
I've never heard of a f-body with a series 4 carrier in it.

If your car has stock gears and posi then you have a Series 3 carrier with 3.42 gears.

All M6's came with 3.42 gears and a series 3 carrier since 1994.

Ok so 4 series torsen style carriers are for 12 bolts, now i get it thanks
Old 12-08-2006, 11:21 AM
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Originally Posted by keliente
4 series carriers are found in 12 bolts if I am not mistaken. For instance, when I went to order a new set of gears for my 12 bolt, I was asked if it came with a 3 series or 4 series carrier.

No f-body 10 bolts come with 4 series carriers.
Good answer as well, your da man!
Old 12-08-2006, 11:41 AM
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Originally Posted by alamantia
Good answer as well, your da man!
might wanna edit that, She'll
Old 12-08-2006, 11:52 AM
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i know... i was just being a wise-***



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