1975 351 windzor overheating when a t wot... ????

[henry7o7]

Hello everyone.. i have a little problem... when im driving the boat at wot the temp gauge gos up to where its over heating but if its at half throttle then its ok... any help??

( 1975 351w OMC ) checked impeller and its ok...

 

[mkast]

Re: 1975 351 windzor overheating when a t wot... ????

How did you check the impeller?

 

[Bondo]

Re: 1975 351 windzor overheating when a t wot... ????

Ayuh,... Impellers aren't Checked,... They're Changed...