Rearend modification costs?

yellow rose said

I've heard this argument too. It comes from guys who never tried to swap third members on a regular basis. It doesn't happen very often.

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I used to change mine more often than my underwear...lol

once drove to Spokane for a race running 2.90s (?) then swapped in 4.11s to run....then back to the 2.90s...
Did the same for a trip to MN to race BIR.... and Seattle...and Woodburn...