Need help with thrust washers

[Ulix Goettsch <ulix@u.washington.edu>]

I am about to start reassembly of my 1275 block after a rebuild and can't
figure out which thrust washers to buy.  I measured the endfloat w/o any
thrust washers installed, but now what.  I read that they are available in
std, std+.030, std+.003 (I think those are the numbers).  But what is
std. thickness?  It doesn't say that anywhere.  I feel like I am missing
something.

I think I measured 0.060 endfloat w/o thrust washers (I have the numbers
at home).

    Ulix                                       __/__,__      ___/__|\__  
..............................................(_o____o_)....<_O_____O_/...
                                              '67 Sprite     '74 X1/9