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Old 10-26-2011, 10:01 PM   #1
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adding weight to tacoma

im planning on adding on some body armor but was thinking about how would this effect the truck itself and its performance. i see that people add gears when they put on bigger tires because of the weight. would this be kind of like the same thing with the body armor weight?
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Old 10-26-2011, 10:20 PM   #2
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weight is not the main reason people change gears when they get larger tires. Adding larger tires has the same effect as lowering the gearing (higher top speed/less torque and acceleration). Putting in higher gears reverses the effect of larger diameter tires.

As to your question on the effects of weight on handling, i don't know, but it's a good question. It would be a good idea to put in stiffer suspension if you are going to put on a lot of weight.
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Old 10-26-2011, 10:25 PM   #3
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Quote:
Originally Posted by x2468 View Post
weight is not the main reason people change gears when they get larger tires. Adding larger tires has the same effect as lowering the gearing (higher top speed/less torque and acceleration). Putting in higher gears reverses the effect of larger diameter tires.

As to your question on the effects of weight on handling, i don't know, but it's a good question. It would be a good idea to put in stiffer suspension if you are going to put on a lot of weight.
ohh ok. but the suspension was going to be the start of mine. i was just looking into the future for this reason of the whole weight thing
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Old 10-26-2011, 10:59 PM   #4
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Likely effects will be slower acceleration, lower MPG and if you don't put stiff enough suspension, excess body roll (lean in turns) and dive under braking. But I dont have anything that adds weight to my truck yet so I can't tell you for sure how noticeable it would be.
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Old 10-27-2011, 12:59 AM   #5
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Quote:
Originally Posted by x2468 View Post
Likely effects will be slower acceleration, lower MPG and if you don't put stiff enough suspension, excess body roll (lean in turns) and dive under braking. But I dont have anything that adds weight to my truck yet so I can't tell you for sure how noticeable it would be.
Yea that's what I was thinking. So the only thing I came up with that I THOUGHT would of helped was gearing but like said above that's not the reason people put in gears
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Old 10-27-2011, 01:02 AM   #7
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regearing has more to do with physics and torque and the moment of inertia. its pretty difficult to explain over the interwebs.

you may notice a little bit of difference with more weight, but nothing like adding larger tires
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Old 10-27-2011, 01:06 AM   #8
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if you are not familiar with physics..moment of inertia can be roughly described as a value that has to be taken into consideration when dealing with torque and slowing down or speeding up a rotating object.

with bigger tires..more mass is further outside the center of the tire than it would be for smaller tires..this increases the moment of inertia which means more energy is needed to start rotating the tires..

by regearing you increase the torque you have, which allows for the tires to be turned with less energy. making your engine work less and somewhat more efficient.


hope that makes SOME sense.

so just the extra weight of a bit of trail armor shouldnt be horribly noticeable in order to regear..atleast..i wouldnt think so.

but you will probably see a small decrease in MPGs
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Old 10-27-2011, 01:07 AM   #9
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Figure with armor you may add what, 300lbs to the truck?
Drive around with 2 passengers, do you notice the added weight?
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Old 10-27-2011, 01:47 AM   #10
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Quote:
Originally Posted by RelentlessTaco View Post
Figure with armor you may add what, 300lbs to the truck?
Drive around with 2 passengers, do you notice the added weight?
Your right. I guess I didn't think about it that way. Kind of the same fundamentals basically. Hey relentless I'm gonna send you a PM. Want a set of those sliders....
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Old 10-27-2011, 01:52 AM   #11
makikid808 [OP] makikid808 is offline
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Quote:
Originally Posted by Maverick904 View Post
if you are not familiar with physics..moment of inertia can be roughly described as a value that has to be taken into consideration when dealing with torque and slowing down or speeding up a rotating object.

with bigger tires..more mass is further outside the center of the tire than it would be for smaller tires..this increases the moment of inertia which means more energy is needed to start rotating the tires..

by regearing you increase the torque you have, which allows for the tires to be turned with less energy. making your engine work less and somewhat more efficient.


hope that makes SOME sense.

so just the extra weight of a bit of trail armor shouldnt be horribly noticeable in order to regear..atleast..i wouldnt think so.

but you will probably see a small decrease in MPGs
Yea I see where your getting at. This helps to break down the differences.
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