4:10's
i love the 4.10s... i started with 3.23's and didn't notice any difference going to 3.73's.... but the 4.10s really woke the car up to where i could notice it... i'm also running 28" tall tires, so that takes some of the bite out of it. i cruise on the highway at 2700 or so.... but i also get 11-15 mpg because i can't keep my foot out of it and i have a 3200 stall... :/ so, in other words, i don't mind it at all, but it just depends on what you want to put up with... i dont' drive much on the highway... so it works for me..
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From: va baby!
Originally Posted by 1993CaMaRoZ28ofIdAhO
4.10s are off the heezy!!!!!!!!!! I love mine, the car really kicks now! i get poopie MPG. but its all worth in in the end
hhhmmmmm.... i might have to wait a while till its not a daily driver anymore
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From: va baby!
well i don't what gas mileage i get, but i can't seem to keep my foot out of the gas 
pontiac, what kind of power are you making if you don't mind me asking. a cam package is going to be the next mod for me 
pontiac, what kind of power are you making if you don't mind me asking. a cam package is going to be the next mod for me LS1 Tech Stories
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Teching In
Joined: Nov 2004
Posts: 8
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From: Austin, TX
I love 4.10s.
And the gas mileage isn't as bad as people think, but it depends on what else you have. I have 500+HP with cam and everything else, so mine is not as comfortable as it could be to drive everyday.
If you're just bolt ons and stuff, the 4.10s should be a nice addition. The break in period is also not bad, but you DEFINITELY DO NOT want ram on it before the 300-400 miles are up. Gears are very sensitive.
And the gas mileage isn't as bad as people think, but it depends on what else you have. I have 500+HP with cam and everything else, so mine is not as comfortable as it could be to drive everyday.
If you're just bolt ons and stuff, the 4.10s should be a nice addition. The break in period is also not bad, but you DEFINITELY DO NOT want ram on it before the 300-400 miles are up. Gears are very sensitive.
I got on mine a little bit after the 300 mark, and they're just fine. I followed the "drive 25 miles and cool for 30-45 minutes" routine for about 480 miles just to make sure, and they're quiet as can be.
The way it was explained to me is that you can give her some gas (dont sit there and brake stand, and don't drag race, just drive normally) and they'll be fine, but if you don't let them cool down you'll toast them QUICK.
I'm very happy with mine, and my shift patterns are a little weird, but a tune is going on next week. I got a dynoshop that will dyno tune my lightly modded car for free!!
The way it was explained to me is that you can give her some gas (dont sit there and brake stand, and don't drag race, just drive normally) and they'll be fine, but if you don't let them cool down you'll toast them QUICK.
I'm very happy with mine, and my shift patterns are a little weird, but a tune is going on next week. I got a dynoshop that will dyno tune my lightly modded car for free!!
4.10s in my daily driver and it's been good. Mileage hasn't suffered much at all, since (as already stated) around town I always have another gear to go into. I've dropped my highway speed by about 5 mph, which translates into a cruise increase of about 200 rpm over my 3.42s. I haven't measured it directly, but I haven't seen much change at all. There's definitely less load on the engine as I see fuel being pulled from FTC 4 (although the baro's been high of late, so I need to see if that has an influence).
Once again, if you drive conservatively, you shouldn't see much difference on a daily level. Get into it and then, well, all bets are off!
Once again, if you drive conservatively, you shouldn't see much difference on a daily level. Get into it and then, well, all bets are off!
