69 4 blade fan orientation in shroud?

[KevinW]

Time to revisit my post. Turns out the Crane adjustable vac can has been going bad for a while (totally dead now), causing me to advance the dist and increase the idle speed to compensate. Also found a cracked vac hose. So replaced the can with a B1 and fixed the hose.  Set timing to 4BTC, and running much better.  Just had some ping when it shifted to 4th and locked up (200r4) under hard acceleration. Replaced the stock mech advance springs with a stiffer set and all good now. Temp at thermo is 205, rad tank is 185.  I am happy with the performance now. 

I had a little side task when my anti-dieseling solenoid shorted and fried the fusible link.  Got that replaced and ordered NOS solenoid.  Still need to put that on and adjust the accel pump rod (QJet).