Been There Done That..I fortunately checked for clearance on my BBC and could not see light between the stud and pump. I ground off enough oil pump casting..more than you would think.. so I could see daylight. I've also seen hardened oil pump driveshafts that have sleeves thicker than others. This is another area to check for clearance. Walt
>===== Original Message From [EMAIL PROTECTED] ===== >I have a hell of a story to tell. We have been spending money like crazy on >big block parts and just found out our problem and I need to share it >because the manufactures are not going to. > >I have been have a spinning rod bearing and oil pressure problem for about 5 >years now and have just found the problem. I installed a set of arp main >studs and nuts in my motor and when I installed the oil pump the housing on >the pump does not clear the nut on the stud. When you tighten the pump it >gets close to being seated properly but keep around .010" gap on one side. >oil sprays out the gap and doesn't feed the motor. > >I talked to Melling the have completely recast it's bbc HV77 a year and a >half ago because of so many problems. >ARP has begun putting a note to check for clearance here and supplied >shorter and 12 point nuts to alleviate the problem. > >I'm glad this page is up. > >Skip 68SCBB > > >----------------------------------------------------- >To Unsubscribe please visit www.chevelles.net/list.html >To start a new topic, send mail to: [EMAIL PROTECTED] ----------------------------------------------------- To Unsubscribe please visit www.chevelles.net/list.html To start a new topic, send mail to: [EMAIL PROTECTED]
