GMC 270 engine. My vacuum advance is not working. I know during acceleration and under load it is a non-issue. What problems might I expect if I drive it until I can get it replaced?
Thanks
"Do not walk behind me, for I may not lead. Do not walk ahead of me, for I may not follow. Do not walk beside me either. Just leave me alone, you're starting to freak me out."
1957 GMC 150
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