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Originally Posted by WRXTASY
The only concern I have is long term longevity in regard to heat and boost cycles.
I know for instance that the hot side plastic end tank on MY99 WRX radiator are not the best with increased pressures and temps, and fail over time. This may be more to do with design characteristics and lack of extra reinforcement/ribbing than the plastic itself.
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The plastic radiator tanks on every car fail (on the hot side) and i do agree that in most situations i dont think that they will pose a problem. The only car where i have seen a few fail is daewoo matiz's. This is where the coolant meets the plastic intake manifold (which is unusual). The plastic falls to bits and leaks coolant. Though the same thing could happen to aluiminium too if the owner failed to look after their coolant.
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Version 6 STI
Last edited by WhiteRX; 26-07-2007 at 08:45 PM.
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