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bigdawg
Dodge Dakota
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3/31/2004
10:46:36
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 Subject: gear install
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Message:
i am wanting to change my gears, im wanting 4.56 gears and i was wondering how much places charge to install new gears for the front and rear diff. and can anyone tell me what rpm range you have at 65-70mph
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LIFTEDQUADCAB
Dodge Dakota
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4/01/2004
11:53:45
| RE: gear install
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Message:
all depends on your tire size bud
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bigdawg
Dodge Dakota
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4/01/2004
17:51:17
| RE: gear install
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Message:
im running 33/12.50 super swampers
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UWGriz
Dodge Dakota
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4/05/2004
16:53:51
| RE: gear install
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Message:
4.56 seems a bit low to me for 33s but that's just my opinion. I think you'd be better off with 4.10s.
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wildhawk
GenIII
4/05/2004
17:24:16
| RE: gear install
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Message:
The only way I would recommend going with the 4.56's is if this is not your daily driver, or you are planning to go with 35's in the future, or you are planning to drag race. I have 33's and recently switched from 3.55 to 4.10's and found they are just about right. Significant improvement in low end feel and less tranny hunting. Definately a worthwhile mod for around town or trail driving. I have seen a fairly noticable decrease in gas mileage on the freeway though. Since this is a truck and I never expected very good mileage anyway I would do it again in a heartbeat.
My bill for new gears and install was about $1100 if im remembering right. I think this may be a little higher than most places, but I live in San Jose, CA and everything is overpriced here.
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99DakTX
Dodge Dakota
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4/06/2004
11:28:34
| RE: gear install
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Message:
Hey Wildhawk,
What size tire are you running with those 4.10s? Also would you mind doing a quick check on the freeway next time your out and tell me what you RPM level is at near 65 or 70.
I'm thinking of those 4.56s and 33s because I tow my boat on the weekends
right now I have 3.55s and 32 inch tires. At 70mph my truck is only at 1950 RPMs. According to a calculator 4.56s would put me near 2300 rpms at 70mph and that would rock for towing. But those calculators are always off so thats why I wanted get your RPM level
thanks if you can.
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Dan Gruber
GenIII
4/06/2004
18:44:54
| RE: gear install
IP: Logged
Message:
I agree...4.56 seems a bit steep for 33's. I've got 32's with a 3.92 and I'm happy...run about 2200 RPM at 70 mph, and far less gear hunting than when I had the 3.55 gears.
And in 4-Lo...wow the gearing is tight. I can't imagine 4.56 gears in low range.
Dan
2000 CC SLT 4.7 4X4 Auto 3.92 LSD
3 inch Performance Accesories lift & 32 inch BFG MT KM's
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wildhawk
GenIII
4/09/2004
19:51:58
| RE: gear install
IP: Logged
Message:
99DakTX,
Im running 33x12.5 BFG muds. I have a new speed speedo calibrater installed, but I havent adjusted it since I did the new gears and tires.(its pretty far off) As soon as I get it dialed in, Ill post some rpm readings.
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Spike
Dodge Dakota
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4/09/2004
19:58:49
| RE: gear install
IP: Logged
Message:
Hey go here http://www.randysringandpinion.com/calculators/calculatorsind.html it'll tell you the best gear to run with your size motor, gears and tire. I used it when I had my jeep when I was regearing and it worked great.
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wildhawk
GenIII
4/13/2004
16:44:43
| RE: gear install
IP: Logged
Message:
99DakTX,
Got my speedo adjusted last night and it looks like im running approximately 1950rpm @ 65mph and 2075 @ 70mph. Hope this helps.
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big dawg
Dodge Dakota
JOIN HERE
4/13/2004
18:18:59
| RE: gear install
IP: Logged
Message:
thanks for all of your help im going to go price then tomorrow and see what it will cost me to install them
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