If you are going to upgrade the axles go with a good aftermarket one (Moser or Strange). If you even run drag radials or ET streets you still run the risk of breakage.I never run slicks either but I still broke an axle.
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Good luck!
Brad R.
1992 L.X. 5.0 coupe
MODS: A few little bolt ons
New Best time ...11.60 @ 128 mph @ 2000+ ft altitude.
Rice Haters Club member #39
Users rides #2542