of course the aluminium will shed heat faster than the plastic, thats not what i am saying, the jackets role isnt to help dissipate heat its only there to allow water to flow threw it they amount of extra cooling by using a alloy jacket would be insignificant.
as i said i tried both on the same boat with same setup and monitored temps there was no difference i could see
as i said i tried both on the same boat with same setup and monitored temps there was no difference i could see
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