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lack of power,stock truck

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my 2001 with auto tranny 47re seems gutless,my diff's are 3.55 with 35" tires.How would you know if the torq convertor is slipping or tranny?Top end of the truck is 85 mph and slow on take off.Is this normal for the specs of my truck?

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would it be worth to switch to manual tranny or is it too much work and money involved,the body and engine are in real good conditions

I wouldnt say its too much work but the price will vary greatly depending on where you get a transmission from. If somebody had a parts truck laying around with a 6 speed manual it would be a no brainer to swap out. If you have to buy a transmission and all the hydros, pedals, etc individually the cost will be up there with rebuilding an automatic. The difference being the automatic will have brand new parts and be ready to go vs a manual transmission with X number of miles. Thats not including the cost of a new clutch and slave, by the time you figure that in you could potentially have as much invested for a used manual as a fresh auto. It just depends on what kind of deals you come across. I can tell you Ive personally been looking for an NV5600 for quite some time in my area and they are selling for a premium, even with high miles on them.JR

I wouldnt say its too much work but the price will vary greatly depending on where you get a transmission from. If somebody had a parts truck laying around with a 6 speed manual it would be a no brainer to swap out. If you have to buy a transmission and all the hydros, pedals, etc individually the cost will be up there with rebuilding an automatic. The difference being the automatic will have brand new parts and be ready to go vs a manual transmission with X number of miles. Thats not including the cost of a new clutch and slave, by the time you figure that in you could easily invest as much for a used manual as a fresh auto. It just depends on what kind of deals you come across. I can tell you Ive personally been looking for an NV5600 for quite some time in my area and they are selling for a premium, even with high miles on them. JR

JR
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