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Dave Hughes
Dodge Dakota
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2/29/2004
17:57:26

Subject: 4.56 gears in my 97 Dak?
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Hey im wanting to know if anyone here run's 4.10 or 4.56 gearsets in their dakotas i have a 97 5.2 CC SLT i havent checked to see what rearend it has does anyone know i know it has a factory rear sway bar so i would assume it would have a HD suspension What Differentials did they put in the 97-up Dakotas 8 1/4? and i am wanting to put a Locker in when i put different gears in what locker is the best, Thanks guys



.boB
Dodge Dakota
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2/29/2004
18:52:11

RE: 4.56 gears in my 97 Dak?
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What are you going to do with your truck? What size/type of tire do you have? How much torque are putting through it? Any towing? Where do you live? All these are important questions to answer before you decide on what's right for you.



midnightmagic
GenIII
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2/29/2004
19:16:03

RE: 4.56 gears in my 97 Dak?
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you prolly have 3.55s in the truck right now, the rear end is a 9 1/4 i have 4.10's and i love them.

You gotta ask yourself one question...That Thing Got A HEMI???

WipLash
R/T
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2/29/2004
19:45:49

RE: 4.56 gears in my 97 Dak?
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Count the bolts on the rear cover. 12 bolts=9.25, 10 bolts = 8.25. There is a tag held on by one of those bolts. It has the gear ratio stamped on it. It's probably 3.55. You didn't mention if it was a manual or auto. A lot of the 5spd manuals came with 3.23 gears because the manual already had a real low 1st gear.



hell yeah
Dodge Dakota
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3/01/2004
02:48:07

RE: 4.56 gears in my 97 Dak?
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1st gear is low as hell! I have 3.92's and 5 speed, my truck redlines in first at 18 mph. very low profile tires though. 255/40/17. I almost never use 1st. 4.56's would give you a top speed of 80-something with the 5 speed. maybe 90-something, but i doubt it.



Dave Hughes
Dodge Dakota
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3/01/2004
12:53:42

RE: 4.56 gears in my 97 Dak?
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it is a automatic and has 17x9 R/T rims with 275/40/17's about 25.7 inches tall and yes it has 3.55 gears my main thought is on the type of locker



Davie Hughes
Dodge Dakota
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3/01/2004
13:09:22

RE: 4.56 gears in my 97 Dak?
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I went and looked it does have a 8 1/4 10 bolt rear i guess i should probably stick with the 4.10's and not 4.56's? i would figure this rearend housing wouldnt be as stout as a 9 1/4 i don't wanna blow this on my daily driver by the way are the R/T differentials 8 1/4 or 9 1/4 and do they have suregrips factory installed i know they came with 3.92 gears, thanks for all the info guys!



WipLash
R/T
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3/01/2004
14:00:51

RE: 4.56 gears in my 97 Dak?
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The R/T's have 9.25. There is an advantage to the 8.25. There is less HP and torque lost through friction and reciprocating weight than with the 9.25. That equates to more HP being put to the ground. Also, there is less unsprung weight which means better handling and less bouncing/hopping over bumps. I wouldn't be too dissapointed with the 8.25. 4.11's are readily availabler for the 8.25 as with lockers.



ticats
Dodge Dakota
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3/01/2004
15:16:34

RE: 4.56 gears in my 97 Dak?
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I swapped in 4.56 gears into my 8 1/4 but I would not run 26" tires with them on the street. My tires on the street and at the strip are 28" tires.

ticats, ontario, canada.
97 Dak CC Sport, 5.2L, 44RE, 4.56 SG, race weight 4,120lb., 13.98 @ 99.85



WipLash
R/T
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3/01/2004
18:54:38

RE: 4.56 gears in my 97 Dak?
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ticats,
That's a damn good 1/4 time. Have you done anything to the engine? What cam are you running?
I'm getting ready to make some mods to my R/T. I just bought a set of JBA headers. I'm probably going to get the R/T cam next.



ticats
Dodge Dakota
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3/01/2004
19:50:24

RE: 4.56 gears in my 97 Dak?
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Engine has a cam, beefed up valvetrain components and roller rockers. I'm using the Hughes 1418 cam but did run 14.31 with the MP R/T cam (1st generation one).

ticats



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