Thread: 478 to SM420
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Old March 10th, 2017, 03:31 AM
arepoff arepoff is offline
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Default Re: 478 to SM420

It may. It runs but I see blue smoke. At best I need to take a compression test, hopefully it is just the valve stem seals, then I would just need to get the heads done and have hardened seats installed. Compression test will be next. I may have a line on a good running 401m, might go that way.
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