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Old 12-29-2011, 03:11 AM   #1
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Rear Gears.

I'm thinking about switching to 3.73 gears come spring.
is it worth it?,
and how hard are they I swap,
would it be something I could do in my garage, or would I have to take it to a garage?,
thanks!!
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Old 12-29-2011, 03:22 AM   #2
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Quote:
Originally Posted by afree05
I'm thinking about switching to 3.73 gears come spring.
is it worth it?,
and how hard are they I swap,
would it be something I could do in my garage, or would I have to take it to a garage?,
thanks!!
You do not want to do gears yourself. You need special tools to do it, and they are quite hard to install correctly so they dont whine.

Do you have manual or auto trans?
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Old 12-29-2011, 03:36 AM   #3
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auto...
unfortunately.

about how much does it run to have em changed?
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Old 12-29-2011, 03:39 AM   #4
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I'm not sure. It will vary some, but idk how much. Maybe 300 or so ? I'm not sure though.
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Old 12-29-2011, 08:39 AM   #5
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I'm doing the se thing the rule is 4:10s for an auto tranny and 3:73 for a manual! And I have a 5 speed so I'm doing 3:73 ... It's going to be between $350 and $500 to do it right! I am getting mines don't at the dealer du to it only being 20 bucks more than at a speed shop! And I would mos DEF not try this at home because you have to shim them like soccer freak said because if not done properly they will scream! Also if you are doing gears you should invest in a tuner. If you don't have one already...

---------- Post added at 08:39 AM ---------- Previous post was at 08:38 AM ----------

Also it's worth it!!!!!!!! Maybe 2nd best to FI
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Old 12-29-2011, 09:14 AM   #6
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Quote:
Originally Posted by saxxx
I'm doing the se thing the rule is 4:10s for an auto tranny and 3:73 for a manual! And I have a 5 speed so I'm doing 3:73 ... It's going to be between $350 and $500 to do it right! I am getting mines don't at the dealer du to it only being 20 bucks more than at a speed shop! And I would mos DEF not try this at home because you have to shim them like soccer freak said because if not done properly they will scream! Also if you are doing gears you should invest in a tuner. If you don't have one already...

---------- Post added at 08:39 AM ---------- Previous post was at 08:38 AM ----------

Also it's worth it!!!!!!!! Maybe 2nd best to FI
Should be in that price range.

And I think gears are better than FI because FI can lead to engine failure if not supported. Gears are a plug and play 0.6 second drop in your 1/4 mile time. Lol.
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Old 12-29-2011, 11:21 AM   #7
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Re: Rear Gears.

i have a v6 with 3.73's they work fine
i wouldn't go 4.10's , that engine doesn't have enough rpm in it for 4.10's
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Old 12-29-2011, 12:08 PM   #8
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yea, I thought 3.73 because I figured 4.10's would suck on the interstate.
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Old 12-29-2011, 12:30 PM   #9
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Re: Rear Gears.

4.10 Gear Speed/RPM Video

This should give you an idea. Great thread about gears that no one seems to ever be able to find before asking... Give it a read.
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Old 12-29-2011, 07:09 PM   #10
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Re: Rear Gears.

The 7.5 upgrade to tlok and 3.73's was the worst modding decision I ever made. With a set of drag radials on the car I bent the pinion on a set of allegedly indestructible Richmond gears.

In the end it cost me less to replace the 7.5 with a take off 8.8 with the tlok already installed and the gears from the factory.
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Old 12-29-2011, 07:16 PM   #11
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Re: Rear Gears.

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Originally Posted by JimC View Post
The 7.5 upgrade to tlok and 3.73's was the worst modding decision I ever made. With a set of drag radials on the car I bent the pinion on a set of allegedly indestructible Richmond gears.

In the end it cost me less to replace the 7.5 with a take off 8.8 with the tlok already installed and the gears from the factory.
where did u get the 8.8? I cant find one, and what did u pay for it? your right it is better to swap the whole thing.
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Old 12-29-2011, 08:47 PM   #12
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Re: Rear Gears.

Actually I have a source that will drop ship them all I need is a zip code to get a price (and for the person to be at work, she only works part time). You can sometimes see them come up on craigslist even.

You can also find them on a couple of vendor sites. I think that American Muscle has them now too.

---------- Post added at 09:47 PM ---------- Previous post was at 09:44 PM ----------

Quote:
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And I think gears are better than FI because FI can lead to engine failure if not supported. Gears are a plug and play 0.6 second drop in your 1/4 mile time. Lol.
The 4.0 is a very strong engine actually.

I have 193,000 on mine. I had a 75 shot of nitrous on it for two race seasons, then I pulled the nitrous with 90,000 on the engine and put the Xcharger on. Still runs strong and will go 12's.

The only thing you have to be sure of is getting a good tune with the forced induction. Other than that, the stock bottom and top end are fine.
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Old 12-29-2011, 10:47 PM   #13
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Quote:
Originally Posted by JimC
Actually I have a source that will drop ship them all I need is a zip code to get a price (and for the person to be at work, she only works part time). You can sometimes see them come up on craigslist even.

You can also find them on a couple of vendor sites. I think that American Muscle has them now too.

---------- Post added at 09:47 PM ---------- Previous post was at 09:44 PM ----------



The 4.0 is a very strong engine actually.

I have 193,000 on mine. I had a 75 shot of nitrous on it for two race seasons, then I pulled the nitrous with 90,000 on the engine and put the Xcharger on. Still runs strong and will go 12's.

The only thing you have to be sure of is getting a good tune with the forced induction. Other than that, the stock bottom and top end are fine.
I stand corrected. Good information, thank you!
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Old 12-29-2011, 11:18 PM   #14
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Quote:
Originally Posted by dolfin13

where did u get the 8.8? I cant find one, and what did u pay for it? your right it is better to swap the whole thing.
I think my friend got one from a place called www.newtakeoff.com, but I could be wrong
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Old 01-02-2012, 05:15 PM   #15
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Re: Rear Gears.

Quote:
Originally Posted by JimC View Post
Actually I have a source that will drop ship them all I need is a zip code to get a price (and for the person to be at work, she only works part time). You can sometimes see them come up on craigslist even.

You can also find them on a couple of vendor sites. I think that American Muscle has them now too.

---------- Post added at 09:47 PM ---------- Previous post was at 09:44 PM ----------



The 4.0 is a very strong engine actually.

I have 193,000 on mine. I had a 75 shot of nitrous on it for two race seasons, then I pulled the nitrous with 90,000 on the engine and put the Xcharger on. Still runs strong and will go 12's.

The only thing you have to be sure of is getting a good tune with the forced induction. Other than that, the stock bottom and top end are fine.
do you think you could get me a price? my zip is 01835, thanks, ps, no hurry
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Old 01-02-2012, 05:49 PM   #16
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Re: Rear Gears.

I'll see what I can find dolfin - just sent an email off to her and will try calling tomorrow. She only works part time so it can take a few days to get a reply back.

Is this to a residence, and I'm not sure about the 3.73, last time I spoke with her she said they were getting very tough to find.
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Old 01-02-2012, 07:44 PM   #17
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Re: Rear Gears.

Quote:
Originally Posted by JimC View Post
I'll see what I can find dolfin - just sent an email off to her and will try calling tomorrow. She only works part time so it can take a few days to get a reply back.

Is this to a residence, and I'm not sure about the 3.73, last time I spoke with her she said they were getting very tough to find.
yes it is to a residence, and like i said no hurry, and my name is Barry, i appreciate it.
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