Im thinking 4.56 and a torque converter. But Im guessing this is gonna run $3k? Eee - I may just go with the big D(iesel).
Im thinking 4.56 and a torque converter. But Im guessing this is gonna run $3k? Eee - I may just go with the big D(iesel).
2003 K1500HD Silverado
6" Fabtech Lift
E3 Plugs
MSD Wires
S&B Cold Air
Banks Torque Tubes
EFI Live Tuned!
If you don't do your own work it gets pricey. Do you pay someone change the toilet paper in your bathroom, too?![]()
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
Im pretty decent on engines and what not but gears is something I have not messed with much at all especially if lockers come into play. Also, I spend more time in the middle of the mountains then most, I would hate to be stranded due to me saving a few bucks, sometimes I have found its best to let a pro do it.
Point I was making is sometimes its not worth upgrading every single thing on a truck that may be not be best suited for my needs. I love power but need to pull a trailer long distances and not at 60 mph. This truck isn't the best on gas and only has a 22 gallon tank wich = lots of stops.
Doing your own work is great to a point, there is a point where some people will go and do foolish things they have no buisness doing and doing complete swap outs on stuff you have never messed with is that point of foolish things.
You pay someone to cut your hair too?
2003 K1500HD Silverado
6" Fabtech Lift
E3 Plugs
MSD Wires
S&B Cold Air
Banks Torque Tubes
EFI Live Tuned!
I think you wont lose much MPG and I work on my own vehicles and cut my own hair. Lol with a little help and good instructions you can get it done.
ECSB 2kSierra 2wd 4.8L-K&N-HPtuners-Calspeed LT's-Magnaflow-Tahoe20's-HankookRH06
waiting to go in... 3.90s, 214/220cam
Looked into it a lot and decided the following... Object or agree if you any input its welcomed.
4.10 w/ rear Auburn Locker
4.10 w/ front Auburn possi
I just do too much highway at 75mph plus to bring myself to get 4.56's.
2003 K1500HD Silverado
6" Fabtech Lift
E3 Plugs
MSD Wires
S&B Cold Air
Banks Torque Tubes
EFI Live Tuned!
everybody that puts 4.10 in with 35 always says"man i wish i had gone with 4.56's". what is a couple of hundred rpm?
MY GARAGE - http://www.ls1truck.com/forums/my-ga...ns-garage.html
2004 GMC Sierra - RCSB
I just researched this pretty well and ofcourse you all are right, everyone I could find that went from 4.10's to 4.56 really felt the difference and not much affect on the gas, some actually gained mpg. I am not sure how the highway will be but it isn't often enough to change it. I think a solid 2500 rpms will be better then a ton of down shifting and making the engine work to maintain speed. It may be a few months because I am guessing about $2k for the total if I do it myelf maybe a tad under.
I looked up one of the sponsors Ron's (i think) any other brand reccommendation for the gears?
Thanks for the info! I have heard Auburns are good Chevy lockers and Detroit for Ford and posi up front any one?
2003 K1500HD Silverado
6" Fabtech Lift
E3 Plugs
MSD Wires
S&B Cold Air
Banks Torque Tubes
EFI Live Tuned!
True Track.
1969 Chevy RCLB C10 350/TH400 SOLD
2007 Chevy RCSB 4.8 4x4 LS SOLD
2008 Chevy RCSB 5.3 4x4 LT SOLD
2010 Chevy CCSB 6.2 4x4 LT SOLD
2005 GMC CCLB DRW 6.6 Duramax 4x4 191,000 and counting
2013 FORD CCSB F350 6.7 Powerstroke 4x4
I have vehicles with both Eaton Posi's and TruTracs. The Eaton "locks" better than the TruTrac...
Big slow mud truck with a TUNE!!!!!!
4.56s and a 2800ish converter first! I would bet you don't lose mpg it may be better. I have 4.56s with 33s and a 2800 converter and would never change anything! Not sure the overdrive ratio difference in the 60 and 80e but at 70 I'm at 2350 rpm. I can pull a 20' trailer with a full size truck in od 70 mph all dayand it will kill a set of tires. Hope I helped your decision you will be happy with it