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2013 Chevrolet Suburban
Platform: GMT 400, 800, 900

373 OR 410... INPUT PLEASE

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Old March 20th, 2007, 12:47 PM
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Default 373 OR 410... INPUT PLEASE

Hi all,

I am going to do my gears but would like some feedback from you all. I want to take off better, I am not going to pull a boat or anything like that, just want better response persay. also got 26's on. and when I get a full house in.... well you know.

Thanks.





Old March 20th, 2007, 3:34 PM
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Default RE: 373 OR 410... INPUT PLEASE

i would concentrate on a brake kit first i have 24' and i can definitely feel the difference in braking

just my opinion
Old March 20th, 2007, 7:44 PM
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Default RE: 373 OR 410... INPUT PLEASE

You are right... The rear end ratio is set up for slow-motion-baby... I cant imagine the hoe loaded down and trying to 'get out da way'...
Old March 20th, 2007, 9:19 PM
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Default RE: 373 OR 410... INPUT PLEASE

My take on tire size is that when u increase the size u lose the rear end gearing.. But if you NOT concerned about gas do the 4/10s.. I have 22's with the 3/73 and it is ok.. I would take even a 3/50 rear end as I an not into the leave any more.. I had enough of drag racing to worry about leaving now... and boys were are your photos COME ON OUT and hang w your ride in a photo.. ur not shy the way some of you disss me but im case hardened... I hope I helped you on gearing.... Marie....
Old March 21st, 2007, 12:58 AM
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Default RE: 373 OR 410... INPUT PLEASE

ORIGINAL: Trick Concepts

. . . . But if you NOT concerned about gas do the 4/10s.. .... Marie....
Actually there's been a lot of posts that say the mileage is actually better with the 4:10 front/rear gears. Something about the 5.3's sweet spot.
Old March 21st, 2007, 1:33 AM
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Default RE: 373 OR 410... INPUT PLEASE

HEY shark what is the best they get w the 5.3 highway w 4/10s i get 18 plus with the 3/73.. but your comment was good.. Marie
Old March 21st, 2007, 1:46 AM
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Default RE: 373 OR 410... INPUT PLEASE

I really don't remember specifics, just that the 4:10s were usually better than the 3.73s. I've got 3:73s and 5K mi. and get 12-13 in short trip city driving and only one trip but not many miles and got ~16. Did get about 0.5 mpg improvement when I switched to Mobil 1.

Be interested in how your Procharger works out.
Old March 21st, 2007, 11:06 AM
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Default RE: 373 OR 410... INPUT PLEASE

Some good info here https://chevroletforum.com/m_6389/tm.htm
Old March 21st, 2007, 1:10 PM
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Default RE: 373 OR 410... INPUT PLEASE

ok.... so with the 5.3 engine sounds like the choice would be 410s???

Old March 21st, 2007, 1:33 PM
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Default RE: 373 OR 410... INPUT PLEASE

If it were mine I'd go with a 4.56 gear set, just keep in mind that my wife thinks I'm an idiot.


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