Front coil spring questions - need help

[BubbaGreen]

Hey guys,
I have got my front end all torn down for
rebuild and have decided to replace the coils
on the front while I am at it. Originals are
probably rather weak anyway. I am going with
stock height coils and stock spindles.
Upon looking for replacements, I see there
are a fews choices.
STANDARD DUTY
HEAVY DUTY
For example, MOOG makes front regular duty
and Heavy duty both for the same price.
Which would make the best choice, I dont
want too harsh a ride. I have a 350 and
700R4. and pretty much plan on making this
a daily driver (good weather daily driver,
that is).
Thanks!

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71 Chevy C-10 SWB Fleetside WAS:307w/3-on-the-tree NOW:350TBI/700R4/3.73
See it at www.prismnet.com/~grzanich