Hollanders shows the 69-72 C-10 2wd available with 4 leaf, 5 leaf, and 6 leaf. The 69-72 2wd C-10 and C-20 had the same dimension leaf springs. This does not include the aux rear spring which would make 7 leafs possible. The 69-72 C-30 with 11000lb rear axle could have a 7 leaf main and 7 leaf auxiliary spring (14 total). Hollanders also shows that 67-68 came with 8 and 9 leaf springs in a 2wd C-10. C-20 (67/68) could have 7 and 10 leaf springs. Go figure?
[This message has been edited by JJR (edited April 23, 2002).]
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