4.10 gears - why?
Thread Starter
Pro
Joined: Apr 2000
Posts: 621
Likes: 1
From: Clarkston Mi
4.10 gears - why?
I have the hot cam set up, and I really have not yet broke the engine in, yet. When I do, I will go with a different chip and headers. My questions are:
1: What is the 4.10 gear all about? I know ratios, and all, this gear sounds rather torquey, with a low range for first gear, right?
2: Does this mod make since for a comfortable street ride?
3: How costly is this mod?
4: How timely is this mod?
1: What is the 4.10 gear all about? I know ratios, and all, this gear sounds rather torquey, with a low range for first gear, right?
2: Does this mod make since for a comfortable street ride?
3: How costly is this mod?
4: How timely is this mod?
Le Mans Master
Joined: Jul 1999
Posts: 8,683
Likes: 6
From: Phoenix AZ
Re: 4.10 gears - why? (Robey5)
I have 4.10's in my LT4 and I really like them. They actually allow me to USE the 6-speed, especially 6th gear. I can still cruise at about 80mph sitting around 2100rpm and the 1st-3rd gear acceleration was a HUGE difference! I forget what it cost, I think it was around 850-900$ and took about 3 days to get it done. Well worth it in my opinion!
Team Owner
Joined: Nov 1999
Posts: 32,782
Likes: 11
From: Former NCM Drag Racing coordinator, National director Corvette Challenge Spring Hill, Tennessee: Whiting, New Jersey
Cruise-In VI Veteran
Cruise-In VII Veteran
Re: 4.10 gears - why? (Robey5)
I run 4.09 with my A4 and they're super. :thumbs:
Burning Brakes
Joined: Aug 2002
Posts: 848
Likes: 0
From: Houston TX
Re: 4.10 gears - why? (mackeyred96)
First, you have to determine if your engine will benefit from operating in a higher rpm range. With your cam/engine, sounds like it will. Second, the numerically higher gear will multiply the engine's torque to a greater degree than your stock gears. Simply put, you should change gears in everything you drive, including your lawnmower! It's the single greatest relatively cheap mod you can do to any car.
Racer
Joined: Jul 2000
Posts: 421
Likes: 0
From: Glen Burnie Md
Re: 4.10 gears - why? (Robey5)
Robey5,
I would say, go for it.
Sometime in the near future, I'd like to have a 4:10 gear installed in my '86.
I just checked my records, and I bought my 3:75 gears from Drive Train Specialists, November of '93.
The cost for the gears was $325, and I paid another $99 for the Installation Kit. My mechanic installed them for me for $200. Keep in mind, this was 1993
dollars. I would imagine today you would pay under $1000 for this job.
Is it worth it? I'd say: "yes", but that is based on my preference for 'quick off the line starts' versus 'top end speed'.
Oh yeah, once you get into it...you'll be pulling 2nd gear within 1.8 seconds.
I personally think it will make for an easier drive around town, but you may sacrifice a few 'miles to the gallon'.
As far as time to complete this mod...depends on the experience your mechanic has. Personally, I would not want this job rushed. It must be done right, including the 'shimming' part of the job. (6 hours to complete is probably a comfortable time frame for most knowledgeable mechanics).
If you do this gear change...don't forget to change out your 'Speedometer Gear.
I would say, go for it.
Sometime in the near future, I'd like to have a 4:10 gear installed in my '86.
I just checked my records, and I bought my 3:75 gears from Drive Train Specialists, November of '93.
The cost for the gears was $325, and I paid another $99 for the Installation Kit. My mechanic installed them for me for $200. Keep in mind, this was 1993
dollars. I would imagine today you would pay under $1000 for this job.
Is it worth it? I'd say: "yes", but that is based on my preference for 'quick off the line starts' versus 'top end speed'.
Oh yeah, once you get into it...you'll be pulling 2nd gear within 1.8 seconds.
I personally think it will make for an easier drive around town, but you may sacrifice a few 'miles to the gallon'.
As far as time to complete this mod...depends on the experience your mechanic has. Personally, I would not want this job rushed. It must be done right, including the 'shimming' part of the job. (6 hours to complete is probably a comfortable time frame for most knowledgeable mechanics).
If you do this gear change...don't forget to change out your 'Speedometer Gear.
Le Mans Master
Joined: Aug 1999
Posts: 7,339
Likes: 137
From: WilkesBarre PA
Re: 4.10 gears - why? (Lone Ranger)
4:10 should be installed from the factory. I put them in my 95. When I bought the GS I drove it home stock and thought it was a slug with out the gears. I put them in the first weekend after buying it. ( I actually ordered them before we picked the car up)
Melting Slicks
Joined: Oct 2000
Posts: 2,629
Likes: 9
From: Drag racing junkie Va.
Re: 4.10 gears - why? (Lone Ranger)
I also ran 4.09s in my A4 street car last year, the R's aren't outa' sight, about 25-2700 @ 75 mph.
Even if thats a little high for you, the first time you punch it from stop or a slow roll it will put a grin on your face that's, PRICELESS :D !
Torque junkie, Dave :crazy:
[Modified by new92racer, 10:41 PM 2/26/2003]
Even if thats a little high for you, the first time you punch it from stop or a slow roll it will put a grin on your face that's, PRICELESS :D !
Torque junkie, Dave :crazy:
[Modified by new92racer, 10:41 PM 2/26/2003]
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Thread Starter
Pro
Joined: Apr 2000
Posts: 621
Likes: 1
From: Clarkston Mi
Re: 4.10 gears - why? (new92racer)
I am not sure what gear that I have in my ride, is it a 3.80? (sorry, I don't know gears very well, per se)
Factory options in my 93:
zf6 manual trans
sport suspension
Every thing else I have done - on my own.
Factory options in my 93:
zf6 manual trans
sport suspension
Every thing else I have done - on my own.
Intermediate
Joined: Oct 2002
Posts: 42
Likes: 0
From: Denver Colorado
Re: 4.10 gears - why? (Robey5)
Brian, go to http://www.zr1specialist.com/HAT%20W...ducts/gear.htm
The comments here should be close to the same for your LT1. The previous owner for my corvette had this option done last year along with the drain plug option as well. You can certainly use all gears around town.
The comments here should be close to the same for your LT1. The previous owner for my corvette had this option done last year along with the drain plug option as well. You can certainly use all gears around town.
Melting Slicks
Joined: Jan 2000
Posts: 3,418
Likes: 1
From: NW Chicago Suburbs
Re: 4.10 gears - why? (fullboogie)
... Simply put, you should change gears in everything you drive, including your lawnmower! It's the single greatest relatively cheap mod you can do to any car.
Eric
3.73's in the Impala
4.10's in the Vette
Regular push mower, no chance for lower gears :(
