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Shit box 308 powered jet boat project


73crownwagon
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While you've got the sump in bits run a loop or two of 3/8" refrigeration copper tube and link to the primary water , it works wonders for dragging the excess heat out of the oil, we did this in Grandads old '65  Hamilton J42 and it made a BIG !! difference

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@Mistral that's a solid good idea and I'll try sort something out for sure.   

Sump coming along nicely. Made up the gate baffles to stop surging oil slop. Mate of mine makes race sumps for rb engines so copied plans. Will now try and add this cooling system to it somehow. 

All parts have shown up for the rebuild so as soon as i finish sump can put engine together again 

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