Quote Originally Posted by kur4o View Post
It is the flow passage within the pump that points fluid tp heads first. I am not sure how hard will be to retrofit regular SBC waterpump.
The water pump and block are both completely different. The water pump outlet passages go into the block and promptly make a 90 degree bend into the heads.

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Quote Originally Posted by kur4o View Post
Why not run some PWM relay to slow down the coolant flow, at warmup and at highway cruise to regulate temp above thermostat rating. Some inelligent control algorythm will be needed.
You're a genius.

Quote Originally Posted by kur4o View Post
If you have the time you can command open loop and turn on the evap. Watch for map drop. If it drops a healthy 4-5 points than a evap patch is on high priority list.
I'll give it a shot the next time I start it up. It's been sitting neglected while I've been building the tranny but I put the pan on that last night. Now I'm looking for volunteers to help R & R it - I'll even pony up for a transmission jack!