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3.73 Or 4.10?

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Old Feb 10, 2006 | 09:03 PM
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Default 3.73 Or 4.10?

I have a 99 LS1 Camaro A4. I'll be running a 231/237 .589/595 112 with PP 243 stage II heads with a 3500 stall. Which gears would be better for my setup 3.73's or 4.10's? Gas mileage is not an issue.


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Old Feb 10, 2006 | 11:37 PM
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I love my 4.10's. Best mod I ever did for quickness. Like night and day from stock. Although I'm not smart enough to know how to calculate it, I've been told you should gear you car for the cam you choose. With your cam, I'd go big, 'cause you'll still be able to hit a quarter mile at the top of 4th in peak power, say 6000-6300, and that cam tops out around 6500.

You might want 3.73's if you drive a lot of miles, to save some on gas, but why would you have that big cam if that's the case. Also, I've seen some posts that say the 4.10's are not as stong as 3.73's because of the smaller pinion. ...just think of the 4.10's as being stronger than 4.33's, if that helps:-)
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Old Feb 11, 2006 | 12:27 PM
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3.73's if you wanna drive it around alot, and not use up major gas. I would say 4.10's if its a race only car, or just a plain out grocery getter. I have seen on here people with great success running 4.10's at the track, and the stock rear holding up.
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Old Feb 11, 2006 | 01:38 PM
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4.10s definetly. I had 3.73s at first then wanted to go all out so I switched to 4.10s. I have a TC above 4000 and I am AMAZED at what this car can do for a cam-only. I almost have the front wheels off the ground. Go with the 4.10s man!!
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Old Feb 11, 2006 | 08:37 PM
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4.10's are great on the street. Nothing [like] leaving that 'stang looking at the back of your car getting smaller, fast..., like he's sitting still.

fasttagurl, you've got a nice set of bolt-ons to get the most out of a cam-only set up. Have you had it at the track or on a dyno? What heads are you looking at?

Last edited by FUN LS1; Feb 11, 2006 at 08:46 PM.
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Old Feb 11, 2006 | 08:39 PM
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Love My 4.10s Also!!!
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Old Feb 11, 2006 | 08:40 PM
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410's are the WORST choice i ever made, dropped me 5mph in the 1/4 and I cant get traction to SAVE MY LIFE.
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Old Feb 11, 2006 | 08:44 PM
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Originally Posted by jessedale98
410's are the WORST choice i ever made, dropped me 5mph in the 1/4 and I cant get traction to SAVE MY LIFE.
u are leaving alot of e.t on the table with that soft 60ft.u gotta put the power too the ground!!!!
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Old Feb 11, 2006 | 08:48 PM
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Originally Posted by jessedale98
410's are the WORST choice i ever made, dropped me 5mph in the 1/4 and I cant get traction to SAVE MY LIFE.
What tires are you running?
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Old Feb 11, 2006 | 08:50 PM
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26inc mt et streets
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Old Feb 11, 2006 | 08:53 PM
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Try the mt et street radial. 1.56 60ft NA.
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Old Feb 11, 2006 | 08:56 PM
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How the hell could a radial be better than a slick?
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Old Feb 11, 2006 | 09:02 PM
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There are plenty of guys around my part runnin same if not quicker #s with the radial over the slick. Dont underestimate these radials.
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Old Feb 11, 2006 | 09:03 PM
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Let me know if u find a set for sale! PM ME SUM1
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Old Feb 12, 2006 | 06:07 PM
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man ,that 4.10 and the 3500 stall is killing your 60ft !! if you don't want to change the gear ,change tire to a 28" slick ! IMHO ......I would change the gear to a 3.73 or even a 3.42 and I'm sure you will see a big improvement.
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