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Someone asked a week or two go about a rebuilt B20 with no oil getting to the rockers. Can't remember who, nor whether it was resolved.
However I've just been assembling a modded B18 and some bright spark in the engine shop has fitted the centre cam bearing without lining up both oil holes. Only the feed from the main gallery lines up, not the feed to the top end. Ergo no oil to the rockers. I found the fault whilst cleaning the block but it is a trap for the unwary, it is not very visible.
Regards
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