Re: 1949 Packard 288 Full Restoration Project in Florida

Posted by FlippinMastaT On 2023/1/10 22:04:29

Once I got the engine block and parts back the rebuild process began. I have never seen pistons with a slit in the side so that was a new one for me. The crank also wasn’t touched by the machine shop. They were amazed that each journal was still at factory tolerance. Only issue I ran into during the rebuild process related to the interference fit head studs. I have never used those in the past and was used to the type that required sealant to seal the stud from the waterjacket. These were a interference fit, where and number of them that came with the rebuild kit where machined oversized. I didn’t know this at the time, and assuming that the force required was normal I ended up breaking one of in the block which was pretty depressing. Instead of sending it back to the machine shop to remove the broken stud I machined a drill jig that allowed me to align a drill guide and drill out the broken stud with a hand drill. This worked well and the threads were saved. After contacting the company they sent me replacement studs to replace the original out of spec ones. Also, have never done a 38-bolt torque pattern before. That was fun.

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