[Vintage-race] Water pump for MGA

[James F Juhas]

What is the opinion of the group on whether to use an early MGB water 
pump on an MGA engine in a race application?  When running at Monticello 
last week, just before my axle broke, I experienced significantly higher 
running temperatures than I had ever seen before.  I pegged the gauge.  
Since I currently have the opportunity, I am changing the water pump and 
thermostat.  So, I want to know if there is any particular advantage in 
running the 12 vane early MGB pump as opposed to the 6 vane MGA pump.  
The engine is a 1622 with modest upgrades.  I have not previously had 
overheating issues.  It was a VERY hot day, and the track is slower than 
most that I run (more twisty) and very power-demanding.

Jim
MGA 311

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