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11-13-2004 04:56 AM #1
best vacuum ports for dist. advance and trany modulator
I am proceding with the installation of my 1985 Rochester quadrajet carbutator, and I am wondering what vacuum ports are the best to use for the distributor vacuum advance and for the turbo 350 modulator valve. I pulled the engine out of the donor car about 8 months ago and didn't check at the time. I have blocked all vacuum ports except for the large port at the rear of the carb near the base, which originally supplied vacuum to the power brake booster.---Is that a good choice for the HEI distributor vacuum advance line? There is a smaller vacuum port right beside that large one, which I could use for my transmission modulator valve vacuum line. Any help would be appreciated.Old guy hot rodder
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