Drivetrain upgrades

lab1702

Motown's uber nerd and fav Sweeeeede!
Newb questions time!

What's your opinion on aluminum driveshafts? Worth it? The ones I've seen for my car weights almost 30lbs less than stock. Would that be noticable on a dyno? Would you expect a measurable lower ET at the track?

Also thinking of installing upper and lower control arms. If I run drag radials, do you think I would see any benefit from that, or not really unless it makes alot more power than the 290rwhp it's at now?
 
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