4.56's, need help asap - DodgeTalk : Dodge Car Forums, Dodge Truck Forums and Ram Forums
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post #1 of 14 Old 11-30-2008, 10:27 PM Thread Starter
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Exclamation 4.56's, need help asap

I was doing some searching through the forums and never found a straightforward answer. I have a '96 1500 sport 4x4 and am going to do 4.56's. Got a few specific questions i need answered.
1. I was told i need a different carrier for these gears in the front. Where might i find one? Is it a stock one out of a different vehicle? Links would help

2. Where can i get a speedo recalibration gear for this gearset? Links?

3. I saw a ton of different RPM's claimed at 65mph on the highway. According to these calculators with my 33's and a .69 overdrive, i should be at about 2100, over the 1600 i'm at with the 3.55s. Any more light on this?

Thanks a ton to any help! i'm about to pull the trigger on these gears but need these questions answered first.
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post #2 of 14 Old 12-01-2008, 12:27 AM
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rpm's calulate out right . here the links your looking 4 .


http://www.transmissioncenter.net/sp...__va.htm#dodge


http://www.ringpinion.com/PartsList....b-Differential

1999 RAM 1500SPORT QC 4X4 5.9 3.55's grrrr
360 MAGNUM POWER 165,000 MILES DYNOED 230/290 ON 35'S
1.7 CRANE ROLLER ROCKERS
DIY CUT,PORTED,EPOXY FILLED KEGGER/ALUMINUM PLENUM PLATE,53MM THROTTLE BODY
JACOBS PRO STREET CD IGNITION
BOSCH DESIGN 3'S 24LBS VETTE INJECTORS
MOPAR P DOUG THORLEY TRI-Y'S
TAYLOR 8.2 THUNDERVOLT WIRE'S
EBC ROTORS N PADS,RUSSELL SS BRAKE HOSES
MARCH UNDERDRIVE CRANK PULLEY
1 TON X-OVER STEERING
DT PRO-FAB TRAC BAR
HELL BENT STEEL 2IN SPACER/SKJ LCA
WINNDEKAR/DSS STEERING BRACE
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post #3 of 14 Old 12-01-2008, 12:47 AM Thread Starter
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so this is what i'm looking at?
http://www.ringpinion.com/ProductDet...px?ProdID=5858
As for the gear, i don't know how many revolutions per mile the stock speedo does to calculate what gear i'd need for a 4.56 and 33 inch tire.

Thanks for all of your help so far dodgepickup, it's greatly appreciated

EDIT, i did just punch in my info into the calcuator with what they already had in place, and got that i needed a 42 tooth. Well all they have is a 41 and 43....looks like i'll go with the 43 i guess.

Last edited by 96Sport; 12-01-2008 at 12:55 AM.
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post #4 of 14 Old 12-01-2008, 01:21 AM
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http://www.ringpinion.com/ProductDet...px?ProdID=6243

dana 44 with 30 splined axles and a 8.5 ring gear . glad to help

wrong link its the right one know

1999 RAM 1500SPORT QC 4X4 5.9 3.55's grrrr
360 MAGNUM POWER 165,000 MILES DYNOED 230/290 ON 35'S
1.7 CRANE ROLLER ROCKERS
DIY CUT,PORTED,EPOXY FILLED KEGGER/ALUMINUM PLENUM PLATE,53MM THROTTLE BODY
JACOBS PRO STREET CD IGNITION
BOSCH DESIGN 3'S 24LBS VETTE INJECTORS
MOPAR P DOUG THORLEY TRI-Y'S
TAYLOR 8.2 THUNDERVOLT WIRE'S
EBC ROTORS N PADS,RUSSELL SS BRAKE HOSES
MARCH UNDERDRIVE CRANK PULLEY
1 TON X-OVER STEERING
DT PRO-FAB TRAC BAR
HELL BENT STEEL 2IN SPACER/SKJ LCA
WINNDEKAR/DSS STEERING BRACE

Last edited by DODGEPICKUP; 12-01-2008 at 01:34 AM.
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post #5 of 14 Old 12-02-2008, 07:10 PM Thread Starter
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Just picked up the gears and axle kits from summit a little bit ago. I just checked and they have the carriers, so i'll probably run back over there tomorrow and pick that up. That just leaves me with the speedo gear issue...

I realized on the site it said the speedos have a 13t drive gear, so i entered the correct information this time, and it told me i needed a 36t speedo gear. The bad thing is this site only has 28-30, and 40, 41, and 43t gears. Are there any other places i could get the exact gear at?
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post #6 of 14 Old 12-02-2008, 08:48 PM
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Quote:
Originally Posted by 96Sport View Post
Just picked up the gears and axle kits from summit a little bit ago. I just checked and they have the carriers, so i'll probably run back over there tomorrow and pick that up. That just leaves me with the speedo gear issue...

I realized on the site it said the speedos have a 13t drive gear, so i entered the correct information this time, and it told me i needed a 36t speedo gear. The bad thing is this site only has 28-30, and 40, 41, and 43t gears. Are there any other places i could get the exact gear at?
you gonna do the install yourself?

chrysler part # is 520676xx . the xx's will the tooth count . so you would be 52067636 .

1999 RAM 1500SPORT QC 4X4 5.9 3.55's grrrr
360 MAGNUM POWER 165,000 MILES DYNOED 230/290 ON 35'S
1.7 CRANE ROLLER ROCKERS
DIY CUT,PORTED,EPOXY FILLED KEGGER/ALUMINUM PLENUM PLATE,53MM THROTTLE BODY
JACOBS PRO STREET CD IGNITION
BOSCH DESIGN 3'S 24LBS VETTE INJECTORS
MOPAR P DOUG THORLEY TRI-Y'S
TAYLOR 8.2 THUNDERVOLT WIRE'S
EBC ROTORS N PADS,RUSSELL SS BRAKE HOSES
MARCH UNDERDRIVE CRANK PULLEY
1 TON X-OVER STEERING
DT PRO-FAB TRAC BAR
HELL BENT STEEL 2IN SPACER/SKJ LCA
WINNDEKAR/DSS STEERING BRACE
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post #7 of 14 Old 12-02-2008, 08:51 PM Thread Starter
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Yes, i work at a performance shop. Thanks again man.

EDIT: Just found them on Quadratec. Awesome!
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post #8 of 14 Old 12-02-2008, 08:54 PM
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Originally Posted by 96Sport View Post
Yes, i work at a performance shop. Thanks again man.
then pics of the install should be no problem then .

1999 RAM 1500SPORT QC 4X4 5.9 3.55's grrrr
360 MAGNUM POWER 165,000 MILES DYNOED 230/290 ON 35'S
1.7 CRANE ROLLER ROCKERS
DIY CUT,PORTED,EPOXY FILLED KEGGER/ALUMINUM PLENUM PLATE,53MM THROTTLE BODY
JACOBS PRO STREET CD IGNITION
BOSCH DESIGN 3'S 24LBS VETTE INJECTORS
MOPAR P DOUG THORLEY TRI-Y'S
TAYLOR 8.2 THUNDERVOLT WIRE'S
EBC ROTORS N PADS,RUSSELL SS BRAKE HOSES
MARCH UNDERDRIVE CRANK PULLEY
1 TON X-OVER STEERING
DT PRO-FAB TRAC BAR
HELL BENT STEEL 2IN SPACER/SKJ LCA
WINNDEKAR/DSS STEERING BRACE
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post #9 of 14 Old 12-02-2008, 08:56 PM Thread Starter
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If i remember to take my camera up to the shop then i'll get them for you no problem. I'm assuming you really wont need the regular teardown, IE: everything up to pulling the axles out and such?
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post #10 of 14 Old 12-02-2008, 09:06 PM
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just some shots of the truck in the shop with maye couple bikini models will do just fine thx million

1999 RAM 1500SPORT QC 4X4 5.9 3.55's grrrr
360 MAGNUM POWER 165,000 MILES DYNOED 230/290 ON 35'S
1.7 CRANE ROLLER ROCKERS
DIY CUT,PORTED,EPOXY FILLED KEGGER/ALUMINUM PLENUM PLATE,53MM THROTTLE BODY
JACOBS PRO STREET CD IGNITION
BOSCH DESIGN 3'S 24LBS VETTE INJECTORS
MOPAR P DOUG THORLEY TRI-Y'S
TAYLOR 8.2 THUNDERVOLT WIRE'S
EBC ROTORS N PADS,RUSSELL SS BRAKE HOSES
MARCH UNDERDRIVE CRANK PULLEY
1 TON X-OVER STEERING
DT PRO-FAB TRAC BAR
HELL BENT STEEL 2IN SPACER/SKJ LCA
WINNDEKAR/DSS STEERING BRACE
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post #11 of 14 Old 12-02-2008, 09:08 PM Thread Starter
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Supply the models and you got a deal
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post #12 of 14 Old 12-05-2008, 08:26 PM
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i put a 37 tooth gear in mine i did a search on speedo gears and found a shop in cali for mine the dealership only went down to a 4.10 gear set
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post #13 of 14 Old 12-08-2008, 09:08 AM
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I have a new 36T gear. $10 plus postage and it's yours.
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post #14 of 14 Old 12-08-2008, 09:16 AM Thread Starter
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Dang, too late. I already picked one up. Thanks anyway!
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