When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Can someone tell if the purpose of this oil passage and if it necessary? Squirt hole goes thru across parting line. The new bearings dont have the cut out like originals. Thanks.
Like the others said Olds and Pontiac both had them but did away with them in later years. For what its worth I always heard that they were to lube the cylinder walls not the camshaft. Dont know if that is true or not.