Thread: 0630 vs 0331
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Old September 26th, 2006, 14:15
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Dr. Dyno Dr. Dyno is offline
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Re: 0630 vs 0331

Avoid the 0331 heads like the plague. Apart from the fact that the exhaust ports are tiny, these heads are crack prone especially between the 60,000-90,000 mile mark (outside the powertrain warranty period so basically you're screwed if it happens).
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