Steam Holes

[Rocket989]

Using 289 heads on a newer 302 block…I read to use the older head gaskets as a template for where to drill & the size bit. I'm wondering if the holes need to be drilled to a specific depth (like putting tape on the drill bit)? Certainly don't want to go too deep!

JH

[popscomet]

YOU won't,just about the time you pull the trigger with a sharp drill bit,,your thru the block.......did same thing on my 1984 5.0 mercury capri,pop

[Rocket989]

Thanks Pop!