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post #1 of 3 (permalink) Old 12-17-03, 12:09 AM Thread Starter
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vacuum gauge

Where abouts in my manifold can i connect a vacuum gauge?

Could i put a tee piece in my manifold and run a vacuum gauge and my booster?

Will that set up effect the vacuum reading I will get at WOT?

At WOT what will I be looking for on the gauge to determine if the engine is being restricted? A high or low figure?

For that matter does anybody have a vacuum gauge I can borrow?or are thet cheap to buy?

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Last edited by 347; 12-17-03 at 01:04 AM.
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post #2 of 3 (permalink) Old 12-17-03, 12:37 PM
Two SC 61's = trouble
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Re: vacuum gauge

Vacuum guages are not that expensive.Better to use or make another vacuum port.Best imo leave that line just for brakes.. At wot the vac would be very low especially with your induction..There isn't any vac ports off those carbs? under butterflies?...May have to drill and carefully tap a fitting using grease to prevent rubbish fulling into manifold..

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post #3 of 3 (permalink) Old 12-17-03, 04:46 PM
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Re: vacuum gauge

The carbs are not restricting your combination. Manifold vacuum should read no more than one or two pounds at WOT.
I use a boost gauge left over from the temporary insanity of owning a turbo charged car (they measure booth boost and vacuum)
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