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Piston slap when warm? PAGING JOHN SARGENT!!! 700 1991

Hey Pablos,

Just got back from town in the Volvo. She wasn't too noisy tonight. It was a little slap happy when I started it after I washed her and was letting her warm up before I left. Just about every time I start it if it's been sitting for more then 10 minutes or so it has noticeable slap. She had a little ticky ticky when she was warm tonight, but it was hardly noticeable. I didn't drive it hard and probably didn't rev over 4000 or so the whole time I was driving her tonight. Maybe that has something to do with it? I'm not TOO worried. If the slap gets progressively worse my mechanic will back up the work, so if say it's back to the way it was (pre-rebuild) in the spring she'll probably get torn apart again and I'll possibly donate some extra $ for the long skirt pistons. We'll see. I won't do that if I don't have to though. Anyway, *maybe* the slap isn't getting worse, maybe it's just seems (or is) more pronounced sometimes(?) I don't think my mechanic has a moly additive, but I could try that 'Molylube' synthetic oil (have you ever hear of it?). Is it possible that my Vo's engine will go on slapping just about the exact same for the next 100K+ mi? Is does piston slap get worse over time? I'll have to get my mechanic to put the scope on the engine soon, maybe later this week. Thanks for the help so far!
--
Chris. Halifax N.S. '91 745Ti, 268K km.






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