These are significant upgrades and make great engine block even better! The smaller feed to the cam bearings will just help that area, even though it hasn't been an issue on the IA II block. Line honing the cam tunnel especially make it nicer for a guy not working with a well equipped machine shop. Line honing the mains eliminates a machine shop messing up that critical machining operation. For those looking for a bargain, you just got one. Most shops charge about $300.00 + to line hone a cam tunnel and main tunnel. It's like a discount on the block and the block is better all around. Great job.
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