84 GT 150 overheating

Joined
Jul 18, 2006
Messages
3
New thermistats, new water pump and impellar new water tube. Runs on Muffs with no overheating. 10 minutes in the lake and it overheats. The water coming from the hole is not luke warm it is cold. What to do next. Compression is at 110 all 6 cylinders.
 

clanton

Rear Admiral
Joined
Jul 9, 2001
Messages
4,876
Re: 84 GT 150 overheating

Remove the heads, replace the water deflectors in the block.
 
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