1964 Johnson water pump questions

roscottjr

Petty Officer 1st Class
Joined
Jun 10, 2006
Messages
330
I was just wandering if it is possible to tap the heads on a 1964 Johnson 90hp Meteor. If so where do I ned to tap the heads? Will this hurt the heads at all since it wasnt originally designed with the telltales for the waterpump? Also, where do I put a water pressure gauge and aftermarket water temp gauge? Will a regular automotive temp gauge work if the sensor is attached to the side of the head?

Robert
 
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