Question about axle wrap?

jonny_jard · May 12, 2008

Just thinking that with all the concern of having the blocks in the rear for the lift and the possible chance of having axle wrap, should i have the blocks taken out? How much of a concern is axle wrap?

chris4x4 · May 12, 2008

Axel wrap can cause premature wear on your springs. If you have an automatic, it may make a "thump" sound when you come to a stop and let off the brakes.

Ridgerunner · May 12, 2008

Wow Chris- I've got that too, and it's done it since new and I thought it was the tranny not coming into 1st, because it happens if I stop more abruptly than usual. What's the cause?

tacomaman06 · May 12, 2008

i had axle wrap on my 06 prerunner, but that basically went away when i got the rear leaf tsb done. i guess it was the spring stiffness that made it go away. i have also heard traction bars help alot with axle wrap.

chris4x4 · May 12, 2008

The leaf springs on the Tacomas are on the soft side of the spectrum. That being said ( please follow me on this) When power is applied to the tires, the torque moves your rear axel up a little bit causing the springs to twist like an "S" just not as dramatic. When you are at crusing speed the springs relax into their normal state. Now, when comming to a stop ( with an auto and below about 15 m.p.h. ) your engine is still trying to turn the tires and the differential is moveing up a little bit twisting the springs. When you are stopped and let off the brakes or ease off them, the springs unload and you hear the "thump". A small amount a axel wrap is not a bad thing and is normal on most Tacomas. It can be tammed with the addition of an AAL. Blocks will amplify the problem and as they move the fulcrume point where the axel mounts on the springs, thus leading to premature wear on the springs. In many cases if the block is poorly made, they can shatter, crack, or whatever and cause a big problem.

Toy4Life · May 12, 2008

chris4x4 said: ↑

The leaf springs on the Tacomas are on the soft side of the spectrum. That being said ( please follow me on this) When power is applied to the tires, the torque moves your rear axel up a little bit causing the springs to twist like an "S" just not as dramatic. When you are at crusing speed the springs relax into their normal state. Now, when comming to a stop ( with an auto and below about 15 m.p.h. ) your engine is still trying to turn the tires and the differential is moveing up a little bit twisting the springs. When you are stopped and let off the brakes or ease off them, the springs unload and you hear the "thump". A small amount a axel wrap is not a bad thing and is normal on most Tacomas. It can be tammed with the addition of an AAL. Blocks will amplify the problem and as they move the fulcrume point where the axel mounts on the springs, thus leading to premature wear on the springs. In many cases if the block is poorly made, they can shatter, crack, or whatever and cause a big problem.
Click to expand...

+1 I always thought my truck was just klunking into 1st. Now that you mention it, It really hasn't done it since the addition of my AAL. Good info, Chris.

chris4x4 · May 12, 2008

tacomaman06 said: ↑

i had axle wrap on my 06 prerunner, but that basically went away when i got the rear leaf tsb done. i guess it was the spring stiffness that made it go away. i have also heard traction bars help alot with axle wrap.
Click to expand...

I have a very little bit of axel wrap on my truck. Even with the TSB springs and my AAL. My AAL is a long thin one made just to give 3/4" lift and to help keep the truck level from side to side. Trac bars help if they are mounted correctly, but they can get in the way when off roading.

Ridgerunner · May 12, 2008

Damm Chris you're a polished stone on these things! I get what you described perfectly-thanks. Also can you please answer my recent thread on MAF? I trust in your answers

chris4x4 · May 12, 2008

Ridgerunner said: ↑

Damm Chris you're a polished stone on these things! I get what you described perfectly-thanks. Also can you please answer my recent thread on MAF? I trust in your answers
Click to expand...

Thank you! I'll look for the post.

tacomaman06 · May 12, 2008

chris4x4 said: ↑

I have a very little bit of axel wrap on my truck. Even with the TSB springs and my AAL. My AAL is a long thin one made just to give 3/4" lift and to help keep the truck level from side to side. Trac bars help if they are mounted correctly, but they can get in the way when off roading.
Click to expand...

yeah.....from some of the trac bars i've seen.....they look like they would be in the way alot for offroading. with a lift....they look really low.

GotLift37 · May 13, 2008

Hmm no axles wrap with my truck. Figure I would with a 6" block. Must have been done right

Janster · May 13, 2008

Axle wrap also.....when you stomp on the gas and the rear-end bounces around and doesn't stay firm on the road.

mjp2 · May 13, 2008

tacomaman06 said: ↑

yeah.....from some of the trac bars i've seen.....they look like they would be in the way alot for offroading. with a lift....they look really low.
Click to expand...

The traction bar I'm having built is purposely going to hang lower than the driveshaft to serve as protection. It'll have a skid on the bottom to slide over obstacles and keep the driveshaft out of harm's way.

Low isn't always a bad thing, depending on what it's just lower than. The trick is to design it so it doesn't affect articulation.

nd · May 13, 2008

chris4x4 said: ↑

The leaf springs on the Tacomas are on the soft side of the spectrum. That being said ( please follow me on this) When power is applied to the tires, the torque moves your rear axel up a little bit causing the springs to twist like an "S" just not as dramatic. When you are at crusing speed the springs relax into their normal state. Now, when comming to a stop ( with an auto and below about 15 m.p.h. ) your engine is still trying to turn the tires and the differential is moveing up a little bit twisting the springs. When you are stopped and let off the brakes or ease off them, the springs unload and you hear the "thump". A small amount a axel wrap is not a bad thing and is normal on most Tacomas. It can be tammed with the addition of an AAL. Blocks will amplify the problem and as they move the fulcrume point where the axel mounts on the springs, thus leading to premature wear on the springs. In many cases if the block is poorly made, they can shatter, crack, or whatever and cause a big problem.
Click to expand...

very good explanation, that deserves some rep...

jonny_jard · May 13, 2008

So as long as a guy keeps an eye on the blocks everything should be somewhat ok....?

Ridgerunner · May 13, 2008

nd said: ↑

very good explanation, that deserves some rep...
Click to expand...

..............already there

j4x4ar3 · May 13, 2008

Take a look at this link... I added this system to my truck as opposed to getting the TSB. Didn't want the stiffer ride from adding an AAL and didn't want to spend the $$$ for air bags. Did my first trip over the weekend pulling my trailer and it made a very big difference in handling. My trailer is 26' 5000# loaded with about 650# tongue weight.

This system works not just for towing but for daily driving as well. Also said to help eliminate axle wrap without sacraficing ride. I personally never noticed axle wrap but I did notice a difference (improvement) in ride once I added them.

http://www.activesuspension.com/how05.htm

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Question about axle wrap?

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jonny_jard [OP] Well-Known Member

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chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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Question about axle wrap?

#1 jonny_jard [OP] Well-Known Member

#2 chris4x4 With sufficient thrust, pigs fly just fine. Moderator

#3 Ridgerunner Well-Known Member

#4 tacomaman06 Carolina Alliance: Enforcer

#5 chris4x4 With sufficient thrust, pigs fly just fine. Moderator

#6 Toy4Life 668: The Neighbor of the Beast

#7 chris4x4 With sufficient thrust, pigs fly just fine. Moderator

#8 Ridgerunner Well-Known Member

#9 chris4x4 With sufficient thrust, pigs fly just fine. Moderator

#10 tacomaman06 Carolina Alliance: Enforcer

#11 GotLift37 Bangers Runner

#12 Janster Old & Forgetful

#13 mjp2 Living vicariously through myself Moderator

#14 nd Radical Town. It's a hell of a place!

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jonny_jard [OP] Well-Known Member

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chris4x4 With sufficient thrust, pigs fly just fine. Moderator

#3
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#4
tacomaman06 Carolina Alliance: Enforcer

#5
chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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tacomaman06 Carolina Alliance: Enforcer

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GotLift37 Bangers Runner

#12
Janster Old & Forgetful

#13
mjp2 Living vicariously through myself Moderator

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nd Radical Town. It's a hell of a place!

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