it is speed limiter indicator. mine does the same thing a bout 2000rpm so i slow down. was hoping for an answer. just got home i drive it daily and it does it some times an not others especially when it is warm or it has warmed up. mineleaks and burns a little oil. i drove it on a 100 mile trip no problems a couple of weeks ago. will have it torn down and rebuilt but hope not this year. best of luck to you. ron


Ron, The Computer Greek
I love therefore I am.
1954 3100 Chevy truck
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2017 Buick Encore
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1960 MGA Roadster Sold 7/18/2017