Quick question
But '98 vs '99 will be no difference power wise.
Proud to own a '98, and I'd buy one again.
More info about different model years here:
https://ls1tech.com/forums/new-ls1-owners-newbie-tech/213148-jrp-s-faq-commonly-asked-questions.html
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I'm sure you'll love any year LS1 car you get. They are a blast, and very addictive.

Good luck with your search, and welcome to the site.
The Best V8 Stories One Small Block at Time
For instance, get headers and true duals first, then an ls6 intake manifold and ported tb. Then after you drive on that for a while, then get a cam, and later on heads, etc.
Then you can work on gears, if M6, or stall if A4, and drivetrain mods...
That way you can truly enjoy each mod, and have time through the stages, rather than getting everything all at once.





