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Old 07-10-2012, 04:18 PM   #1
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3.73 or 4.10

What's the pros and cons to each of these gears?
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Old 07-10-2012, 04:34 PM   #2
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Re: 3.73 or 4.10

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What's the pros and cons to each of these gears?
4:10- lil better gas milage in town like 1-2 mpg, and about the same decrease on highway, hella good take off and response

3:73- good highway and town mpg, not as much take off but still noticeable
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Old 07-10-2012, 04:38 PM   #3
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What's the pros and cons to each of these gears?
If your considering going with a gear change do yourself a favor and get the 4.10s, it's what I'm going with when I save up the money for the swap
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Old 07-10-2012, 04:58 PM   #4
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Re: 3.73 or 4.10

4.10 > 3.73 in all ways. No modular anywhere in anything should have less than 4.10...

Well save for the TS guys...but even then id have 4.10s in it...lol.
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Old 07-10-2012, 05:12 PM   #5
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410:1 are weaker than 3:73. Engine HP and tranny output torque should determine gear ratio. Does that make sense to anyone? that's my interpretation of the whole business.
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Old 07-10-2012, 05:52 PM   #6
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I heard that the 4.10 take away from your top speed. Is that true?
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Old 07-10-2012, 05:56 PM   #7
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Quote:
Originally Posted by Stupidstangz
I heard that the 4.10 take away from your top speed. Is that true?
Nothing you would notice and yeah 4.10s are weaker than 3.73. But you would be safe to use them
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Old 07-10-2012, 05:58 PM   #8
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Quote:
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I heard that the 4.10 take away from your top speed. Is that true?
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Old 07-10-2012, 06:09 PM   #9
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Or you can get 3.90s and get in between 3.73s and 4.10s
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Old 07-10-2012, 06:40 PM   #10
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410:1 is ok under 500 HP as I gather. Note that weaker refers to mid and top end output. 3:73 will respond well to both ends of the spectrum. A good Olympic sprinter 100m runs on 4:10 or higher. An 800 runner runs on 3:73 and steps on it at the finish. All this depends on good lungs; 4 valves are best. I could go on. PS am learning diff gears and hope to become a pro at it. Don't care much for the rest.

PS euro cars smoke us on the autobahn at top speed all the time. They are geared differently. Tranny and gear ratios are matched to top speed with a slight tweek on 1st and 2nd depending on engine output. You gotta see it to believe it.
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Old 07-10-2012, 06:46 PM   #11
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No weaker meaning weaker 4.10s have less contact than 3.73s do?
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Old 07-10-2012, 08:20 PM   #12
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Does the 3.73 take away from your top speed
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Old 07-10-2012, 08:59 PM   #13
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Quote:
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Does the 3.73 take away from your top speed
No, had mine to 145 with more pull to go. That's with all bolt ons.
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Old 07-10-2012, 09:06 PM   #14
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Ive hit 150 -155 with 4.10s
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Old 07-11-2012, 10:13 AM   #15
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4.10s will get you a better launch and low end pull, just what our cars love.

3.73s will do about the same, just not quite as noticeable.

Im purchasing 4.10s and a tuner when I get the money. I've done a lot of research and 95% of people will tell you to gets 4.10s. The other 5% seem to be people with 3.73s who haven't driven with 4.10s. Everyone that I've seen who've had both recommend 4.10s for basically every application whether it be short drives, highway, drag, whatever. 4.10s just a more fun and better all around gear than 3.73 which is why I plan on buying it.
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Old 07-11-2012, 02:19 PM   #16
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Re: 3.73 or 4.10

Please read the gear threads in my signature. I'm a huge advocate of gears; especially 4.10. if you have an auto I'd suggest even 4.30s..

And 4.10s killing top end is a bunch of bull**** for our cars. You run out of power way before you run out of gear on stock gears, and same even with 4.10s. Stock my top-end was about n125 when it stopped pulling. 4.10 I got up to 147 and might've had a little more pull. Steep gears tend to kill top-end on higher-horsepower applications. On our 200-something HP engines there is no adverse affect other than you have to buy tires more often because you wanna smoke them all the time.

Like I said.. Read the gear threads in my signature. Has a lot of info and videos.
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Old 07-11-2012, 03:07 PM   #17
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^+1,000 couldn't have said it better
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Old 07-11-2012, 09:11 PM   #18
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On my 01 GT I had 3 different gears. First the 3.27 ( stock ) was ok with them until someone told me to install 3.73 gears. After they were installed I didn't really notice a whole lot until I got on the interstate, the gears responded well at higher speeds and 5th gear was nice. 1-2 was about the same. 2-3 was better, 3-4 I liked better over stock 3rd gear had some power in it. 4-5 was great around town and 5th on the highway. Then I was told to go up to 4.10s...........Holy **** why did I ever do 3.73s. 1-2 was funny the first time I drove it LOL, all you feel is torque haha fun! 2-3 was like 3.27's 1-2 gear, then 3-4 had some power too have fun and play with. 4-5 had power enough to cruise and be good on gas around town not on highway so much. I have a 2002 GT with stock gear in it for now but soon to upgrade to 4.10s just need some more $$$!!!
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Old 07-11-2012, 09:22 PM   #19
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Quote:
Originally Posted by jjsg09
On my 01 GT I had 3 different gears. First the 3.27 ( stock ) was ok with them until someone told me to install 3.73 gears. After they were installed I didn't really notice a whole lot until I got on the interstate, the gears responded well at higher speeds and 5th gear was nice. 1-2 was about the same. 2-3 was better, 3-4 I liked better over stock 3rd gear had some power in it. 4-5 was great around town and 5th on the highway. Then I was told to go up to 4.10s...........Holy **** why did I ever do 3.73s. 1-2 was funny the first time I drove it LOL, all you feel is torque haha fun! 2-3 was like 3.27's 1-2 gear, then 3-4 had some power too have fun and play with. 4-5 had power enough to cruise and be good on gas around town not on highway so much. I have a 2002 GT with stock gear in it for now but soon to upgrade to 4.10s just need some more $$$!!!
Great info here. Everything I read about 4.10s makes me more anxious to get them!!
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Old 07-11-2012, 10:44 PM   #20
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Go 4.10 it took off .3 tenths of a second in my 1000 foot so that'd be like .4 tents a second off 1/4 mile! Gas mileage will depend on the driver of you keep it under 2k rpms and shift at 2k you'll get better gas mileage or be fine. Top speed you won't have to worry 4.10 top speed is 185 mph and it would also take 575 rwhp! So go ahead and get 4.10's.
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Old 07-12-2012, 07:36 AM   #21
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Quote:
Originally Posted by Speed_Mister
Go 4.10 it took off .3 tenths of a second in my 1000 foot so that'd be like .4 tents a second off 1/4 mile! Gas mileage will depend on the driver of you keep it under 2k rpms and shift at 2k you'll get better gas mileage or be fine. Top speed you won't have to worry 4.10 top speed is 185 mph and it would also take 575 rwhp! So go ahead and get 4.10's.
Why can't I just get my boss to pay me a week or two inadvance? Damn, I NEED these...
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Old 07-12-2012, 12:41 PM   #22
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Hahah ik I'm 17 and I bought mods for my car with my own work and money
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Old 07-12-2012, 07:09 PM   #23
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Re: 3.73 or 4.10

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Originally Posted by LAS97GT View Post
410:1 are weaker than 3:73. Engine HP and tranny output torque should determine gear ratio. Does that make sense to anyone? that's my interpretation of the whole business.
No. One gear set is not weaker than another. If that were true, then all the top fuel cars would run the lowest gear possible. and IM here to tell you they dont.

YOu buy a gear to help output TQ to the ground. gears are a TQ multiplier.
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Old 07-12-2012, 07:20 PM   #24
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^ look at a 3.55 and a 4.56 pinion and tell me which SHOULDN'T snap first giving the equal cars.
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