How much pumping is it doing?

[eFish]

I replaced the complete water pump and complete thermostats in my 88 SPL. still got some over heating after 10 minutes. Water was coming out the pee stream enough with the muffs on. I removed the 2 hoses going to the thermostats to see how much water was being pumped out and it isn't streaming strong but enough and it is warm water. I don't think it is stong enough to push it through the thermostats though to have them open up. Is there a certain preasure that should be present? When it over heats the heads are hot but the thermostat casing is just warm. Maybe check the water pump...again?

 

[DJ]

Re: How much pumping is it doing?

There are water deflectors in the heads. They are rubber and quite often get damaged or they become dislodged.

Remove the head covers and look for them.

 

[eFish]

Re: How much pumping is it doing?

Yeah they are good. In my digging around I pulled the heads, cleaned and put new head gaskets and exaust covers too. I wanted to make sure no restrictive flow. I know the deflectors control the flow of water to ensure it travels around the heads. None are out of place or missing. What is interesting is my local Johnson mechanic said if they're there, don't mess with it!

 

[DJ]

Re: How much pumping is it doing?

Are you sure the water pipe is seated on both ends?