3.73 vs 4.10s - Hemi Truck Club
 
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Old 02-18-2020, 04:57 PM   #1
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3.73 vs 4.10s

I've been looking around for some input and most posts I find are of the newer 6.4 hemis. I got an offer to trade my half ton for a 2003 ram 2500 qcsb 4x4. It has 5.7 hemi and auto trans. The guys grandpa ordered it with 4.10s and I've been tossing around whether I'd want 3.73s or 4.10s. I'd say 90% of my driving is empty but when I pull somethin my silverado just feels too weak for the job. I got a pretty light foot but I was wondering what kinda mpg everyone averages with either gears. Does the truck kick down a lot on hills with 3.73s or is it pretty smooth with either? I cant imagine the difference is much but I havent owned a hemi before. My truck now gets 15mpg average so I figure a 2500 wont be much worse if any. Thanks

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Old 02-18-2020, 06:12 PM   #2
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I’d perfer 4.10s in a truck that big. But I also perfer 4.56s in my 1/2 ton 2dr. Don’t fear the gear, truck that big needs all the help it can get
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Old 02-18-2020, 08:23 PM   #3
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Old 02-18-2020, 10:11 PM   #4
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Right, I figured it'd help the truck more then hurt it, i think the 4.10s would work better I generally step up a couple tire sizes over stock. As long as I keep my foot out of it I'm not expecting miracles
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Old 02-19-2020, 05:40 AM   #5
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Old 02-19-2020, 12:09 PM   #6
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Quote:
Originally Posted by Gold936bt View Post
I've been looking around for some input and most posts I find are of the newer 6.4 hemis. I got an offer to trade my half ton for a 2003 ram 2500 qcsb 4x4. It has 5.7 hemi and auto trans. The guys grandpa ordered it with 4.10s and I've been tossing around whether I'd want 3.73s or 4.10s. I'd say 90% of my driving is empty but when I pull somethin my silverado just feels too weak for the job. I got a pretty light foot but I was wondering what kinda mpg everyone averages with either gears. Does the truck kick down a lot on hills with 3.73s or is it pretty smooth with either? I cant imagine the difference is much but I havent owned a hemi before. My truck now gets 15mpg average so I figure a 2500 wont be much worse if any. Thanks
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Old 02-19-2020, 04:32 PM   #7
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Welcome to tje forum. 4:10 gear should work good you..
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Old 02-20-2020, 10:11 PM   #8
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Quote:
Originally Posted by Gold936bt View Post
I've been looking around for some input and most posts I find are of the newer 6.4 hemis. I got an offer to trade my half ton for a 2003 ram 2500 qcsb 4x4. It has 5.7 hemi and auto trans. The guys grandpa ordered it with 4.10s and I've been tossing around whether I'd want 3.73s or 4.10s. I'd say 90% of my driving is empty but when I pull somethin my silverado just feels too weak for the job. I got a pretty light foot but I was wondering what kinda mpg everyone averages with either gears. Does the truck kick down a lot on hills with 3.73s or is it pretty smooth with either? I cant imagine the difference is much but I havent owned a hemi before. My truck now gets 15mpg average so I figure a 2500 wont be much worse if any. Thanks

My 05 2500 5.7 hemi is getting 15 mpg
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Old 02-23-2020, 09:33 PM   #9
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Awesome I'll hopefully get it this weekend. I'll test how it does on the trip back
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Old 02-26-2020, 03:02 PM   #10
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my Ram has 3.73 and it pulls my 10,000 lbs jus fine, mpg wise i avg 14-15 but i have seen 19 doing 65 mph on the highway, i avg 8-9 mpg towing travel trailer. i will say i wish i had the 4.10 instead of 3.73 and the reading i have done that the mileage between the two is close. but i really want to go upto 4.30 for my overlanding and towing goals.
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