First, take a look at the following page:
Bumpsteer Explained
Ack's FAQ: Your 4X4 Portal To All Things Suzuki/Geo
I have an '88 Samurai with a 4.5" SPOA that I can easily drive (if you ignore the other ride characteristics

) on major interstate trips (400 miles) because of the Over The Top (OTT) steering system that I installed - which eliminated bumpsteer.
You can live with bumpsteer for a while, but it does get pretty old...
You mentioned that you wanted to lift your truck even more than it is now.
Before you do, this consider the following article - especially if you plan to use your truck as a daily driver:
"The Six Inch Rule" by Tim Tackett
Ack's FAQ: Your 4X4 Portal To All Things Suzuki/Geo
Both of the above articles are part of the collection of
searchable articles and links found at
Ack's FAQ: Suzuki Sidekick and Geo Tracker 4X4 offroading information. There are nearly 600 links in the search engine database that take you to useful information found on the best Suzuki Samurai/TracKick websites.
I hope that this helps!
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- Ack
Ack's FAQ
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600 searchable links to the Samurai/TracKick
info that you are looking for!
'88 Samurai Offroader
'02 Tracker ZR2 4-door Daily Driver