Thread: 64 vs 69 305e
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Old October 20th, 2016, 01:24 PM
bigblockv6 bigblockv6 is offline
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Default Re: 64 vs 69 305e
The internals are the same with the exception of the timing chain and sprocket. As far as the engine breather hole all GMC did was capped it of with an expansion plug.
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