Re: Manifold vacuum at idle... vs without...interesting observations
HMMM, any Chevys or Oldmobiles I owned from '55 up to HEI's used vac from the carb base....below the throttle plates.....all were standard trans if that means anything.
Any Chevy /8BA distributors I sell...now over 1000....with the optional vac advance
I tell my customer, if asked, hook the vac line to the carb base or close.
Charlie ny
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