LX470 NonAHC Rear Coil?
- Thread starter Nishiki
- Start date
This site may earn a commission from merchant affiliate
links, including eBay, Amazon, Skimlinks, and others.
How about these? Hard to beat this price if you are looking for stock in new condition.
http://www.ebay.com/itm/Coil-spring...Parts_Accessories&hash=item41901e2782&vxp=mtr
http://www.ebay.com/itm/Coil-spring...Parts_Accessories&hash=item41901e2782&vxp=mtr
hoser
SILVER Star
Those rear springs on eBay (48231-6A420) are 105 series springs. They'll fit. I don't know the spring rate of those but I would guess slightly lower than the non-AHC LC100 springs... which might be what you want.
- Thread starter
- #44
@jjrowe , I installed the part and WOW! These are perfect. The rear pressure went from 8.4Mpa to between 5.7-6.1Mpa depending on
reading at the time. I will run the test again after some riding on the mountains this weekend, but this I believe is the holy grail to anyone trying to bring down their pressure on an AHC system with a lift.... it is beautiful!
Total Install time: 20 minutes, each side.
***I recommend having 3 jack stands to adjust the height of things while working, all bolts should come out easily, the shock is a little harder to get off, but a mallet and about 10 seconds of beating on it gets 'er done**
reading at the time. I will run the test again after some riding on the mountains this weekend, but this I believe is the holy grail to anyone trying to bring down their pressure on an AHC system with a lift.... it is beautiful!
Total Install time: 20 minutes, each side.
***I recommend having 3 jack stands to adjust the height of things while working, all bolts should come out easily, the shock is a little harder to get off, but a mallet and about 10 seconds of beating on it gets 'er done**
Dumb question: Is it possible to remove the coil without a compression tool?
You don't need it. If they coil won't come out with the axle hanging, you can jack up one side of the axle, disconnect rear link.
@Nishiki are those standard LC100 springs you installed, new or used?
Is there a difference between LC100 and FZJ80 rear springs
- Thread starter
- #48
Standard, used. No coil compression tool is needed. I do recommend three jacks total to lower and raise certain things. In this order:
Jack car up, put stands under for safety
Remove sway bar link (use a jack to remove the tension by raising link from around axle area)
remove bottom shock link and hammer bottom shock link out (keep jack under axle so it doesn't drop too far)
Remove spring (simply angle and pull out)
Place new ones in and perform operations in reverse.
Note - make sure that you leave the rubber grommet on the top of the spring.
Jack car up, put stands under for safety
Remove sway bar link (use a jack to remove the tension by raising link from around axle area)
remove bottom shock link and hammer bottom shock link out (keep jack under axle so it doesn't drop too far)
Remove spring (simply angle and pull out)
Place new ones in and perform operations in reverse.
Note - make sure that you leave the rubber grommet on the top of the spring.
Is there a difference between left and right?
- Thread starter
- #53
I am going to make a new thread, but I was wondering if any of you guys could chime in here...
I have the torsion bars cranked all the way, now get a 6.8Mpa reading. The ride is very springy, most recent change has been additional height added to the vehicle via increased AHC raise(I have cut the sensor rods to their shortest length, and fabricated a back mount)
I am wondering if reindexing the torsion bars will fix this, or if it is required to get non-ahc torsion bars. The vehicle seems to not dampen in the front, however all my globes are in excellent condition and I get 10 measurements and excellent pressure readings.
Any advice would be much appreciated.
I have the torsion bars cranked all the way, now get a 6.8Mpa reading. The ride is very springy, most recent change has been additional height added to the vehicle via increased AHC raise(I have cut the sensor rods to their shortest length, and fabricated a back mount)
I am wondering if reindexing the torsion bars will fix this, or if it is required to get non-ahc torsion bars. The vehicle seems to not dampen in the front, however all my globes are in excellent condition and I get 10 measurements and excellent pressure readings.
Any advice would be much appreciated.
Won't make any difference. You'll just be at a different thread position on the adjusting bolt. You're operating beyond the load range for the spring.
It's a Hooke's Law thing. Elasticity, plasticity, predictable torsional behavior within its design range - culminating in shear. I reckon you've redefined what "normal" is for your AHC and I'm not sure how that affects all the standard given parameters like neutral pressures and relative fluid volumes in the globes etc. I'll have a think and chime in later. Putting my engineer pants on I'd ask did you have satisfactory damping before doing the lift? Could be that the front dampers assemblies have given up and aren't throttling fluid flow in response to the ECU and wheel travel and not related to your lift. Could be your sway bars are exerting a lot of down force on the body, do you have longer end links installed? I guess as these systems age it's enough to keep them working well when everything is "normal" so operating beyond normal presents some challenges! Well done.
The reason you re-index is because you've run out of adjustment room and need to move the bar over a spline or two. This doesn't change the spring rate, only the position of the adjustment at a given load.
If you're experiencing poor spring behavior then it's either a dampening problem or a spring rate problem. Since it sounds like your AHC is functioning correctly I'm left to assume that you're asking more of the spring than it can deliver and you're operating at the end of its performance curve where the rate becomes less linear. How much extra weight is on the front end?
The springs I have are not clearly marked and seems to be the same size, only a few millimeters difference.
