4 link and panhard

[Struth]

Part of my upcoming SAS is also fitting a 60 series diff in the rear of the 4 Runner.

I plan to use 80 series lower arms which are about 140 to 160mm longer than the 4 Runner arms, these would be mounted further forward on the chassis to help overcome the extra length issues.

I am beginning to ponder the best geometry for this as I prefer to use the existing 4 Runner upper arms so that all arms are factory units and no NDT is required, I would also prefer not to alter the upper arm factory chassis mounts as I don't intend removing the body to allow major surgery in this area.

So far to me it has become obvious that the neutral position of the arms will play a large part in keeping the pinion angle where I want it through as much travel as possible both up and down, also the neutral position in relation to arm angle and lengths will help avoid bind under flex.

Are there any books or web based tech notes that can help me better understand how to do this and save me time that I will otherwise need to spend mocking up scale models of arm and angle combos to determine what is best.

Or just any useful advice from people who know what I am asking.

Cheers

[dank]

Pirate has a huge amount of tech on link geometry.

http://mysite.verizon.net/triaged/fi...rLinkV3.1d.zip

right click and "save as" on this link to download an excel version of a 4 link suspension geometry calculator. It should have everything you need to work out the best setup for your requirements.

read the readme file too as it has links to other sites that may be of use.

All this is from this link on pirate: http://www.pirate4x4.com/forum/showthread.php?t=204893

Good luck with it
Dan

[Struth]

Pirate has a huge amount of tech on link geometry.

http://mysite.verizon.net/triaged/fi...rLinkV3.1d.zip

right click and "save as" on this link to download an excel version of a 4 link suspension geometry calculator. It should have everything you need to work out the best setup for your requirements.

read the readme file too as it has links to other sites that may be of use.

All this is from this link on pirate: http://www.pirate4x4.com/forum/showthread.php?t=204893

Good luck with it
Dan

Thanks dan that looks like a great link, just got to get my head around it now.

Cheers Shaun