James Ertle
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• St. Louis, MO, USA |
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• Registered on 5/24/2005 |
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• 69 posts |
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 Posted:11/10/2008 11:01 |
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Bought a set of Add a leaf 2" springs for the front of my X
Now thinking that my impulse purchase will open up a big can of worms.
Can I just add them to the bottom of the front leaf springs as advertised?
I am some what mecanical, just did the full front dana 50 axle rebuild, ball joints and axle seals, and new hubs took about 10 hours for me.
Do not want to ruin all of my hard work.
Thanks in advance for your answers / hints.
Regards,
James Ertle |
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monsta
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• The Big Island, HI, USA |
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• Registered on 1/5/2002 |
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• 1,056 posts |
• 2 Vehicles
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Posted:11/11/2008 00:25 |
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You may need new shocks afterward but kinda doubt it.
I'd use new U-bolts.
2" shouldn't create any problems at all.
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aklim
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• Hartford, WI, USA |
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• Registered on 2/20/2006 |
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• 133 posts |
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Posted:11/11/2008 14:58 |
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I thought the U-Bolts were torque to yield and useless after removal?
01 Excursion. Gauges with AIH Delete, AIS Air Filter system, CCV Mod, 4' MBRP, BTS Trans, 6.0L Trans Cooler and Intercooler, DP-Tuner F6 chip, ITP In Tank Mod and Boost Annihilator, Diesel Innovation's Regulated Fuel kit, BTS Big Oil system, GTP38R Turbo with 1.15 A/R housing and BDP Stage II AC injectors. Bilstein Shocks with U code front and A code Rear. Billet thermostat housing |
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LANDYOT
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• Subscriber since 11/23/2003 |
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• Newport News, VA, USA |
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• Registered on 7/15/2003 |
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• 1,110 posts |
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Posted:11/11/2008 15:55 |
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Are these the "mini-leaf spring packs" I've heard about? They don't truly function as leaf springs (too short), but they provide 2" of lift without being defined as a lift block ... and we should all know that lift blocks on the front axle are illegal in all 50 states. The "mini leaves" are simply a way to bypass that law.
I agree with monsta on new U-bolts. You will need longer U-bolts anyway.
I once bought a Skyjacker 2-1/2" lift kit, but never installed it. That kit included a new bracket to reposition my front panhard bar. So you may want to research your options on buying an adjustable-length panhard bar. |
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James Ertle
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• St. Louis, MO, USA |
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• Registered on 5/24/2005 |
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• 69 posts |
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Posted:11/12/2008 14:44 |
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Thanks for the responces!
These are not the Mini Spring packs but full springs.
One leaf spring per side.
Thanks for the advice.
Do I need to replace the u-bolts?
James |
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LANDYOT
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• Subscriber since 11/23/2003 |
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• Newport News, VA, USA |
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• Registered on 7/15/2003 |
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• 1,110 posts |
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Posted:11/12/2008 14:50 |
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| Quote: | | Do I need to replace the u-bolts? |
If it was my truck, and my life as well as others was on the line, I'd replace 'em. |
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James Ertle
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• St. Louis, MO, USA |
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• Registered on 5/24/2005 |
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• 69 posts |
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Posted:11/13/2008 09:27 |
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WOW!!!
I have learned something Very Important.
Did not know that the U-bolts are a use once bolt.
What is 'tourque to yield"
Again Thanks for the Great advice.
james |
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LANDYOT
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• Subscriber since 11/23/2003 |
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• Newport News, VA, USA |
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• Registered on 7/15/2003 |
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• 1,110 posts |
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Posted:11/13/2008 15:16 |
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What is the torque to yield tightening method?
Torque to yield is the method of tightening a fastener so that a high preload is achieved by tightening up to the yield-point of the fastener material. To do this consistently requires special equipment that monitors the tightening process. Basically, as the tightening is being completed the equipment monitors the torque verses angle of rotation of the fastener. When it deviates from a specified gradient by a certain amount the tool stops the tightening process. The deviation from a specified gradient indicates that the fastener material as yielded.
The torque to yield method is sometimes called yield controlled tightening or joint controlled tightening.
From: http://www.boltscience.com/pages/faq.htm#12
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