"Bass, Jerry" wrote:

Paul I found this front end spindle, but not the pulley. I picked up the
water pump pulley instead.

Note the Key at the 9 O'clock position and the screw hole at about 8:30,
just below the key.  Also note the dimple at 2:O'clock.  Each of the 4

holes

has a different spacing, as the pulley only fits one way. The water pump
pulley has two notches on the rim, but will not fit the hole pattern of

the

spindle.

I think this is called a pulley hub and not a spindle.

I am not sure I follow you on this Jerry. "I picked up the
water pump pulley instead." I think this is confusing you. I think
what you found was an e-shaft pulley that did not happen to fit
your e-shaft pulley hub bolt pattern. Of course there is no
fixed angular relationship between water pump pulley and e-shaft
pulley because of the V-belt.

Paul Lamar

I did have the correct pulley. I reversed it and filed the paint off and it
slides on tightly.  I highlighted the key in the Pulley2 photo and
darkened the two marks.  I think the right mark is the BTC and the left mark
is the TC.  Both photos should be oriented the same way.  

this is from a 1988 Mazda RX7 13B.  

Jerry Bass
 
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