well i just got back i went interstate i hit 80 by the speedo i say maybe 70 really ,, anyway did great i went to river climb the hill back i stopped and took off i dont know ,, after i got back i took a video of road tube , i could see something like smoke , steam like coming off coffee i will try post it
thanks

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1958 chevy biscayne
235 6 cyl 1 barrel
2 speed PG tranny