Vacuum gauge reading with a Model B distributor I always hook up a vacuum gauge at the start of the season as a diagnostic tool. With a model A distributor I get a range of about 16" to 20". Recently I installed a model B distributor. What numbers are normal with this set up?
tia, Ian |
Re: Vacuum gauge reading with a Model B distributor I don't see where there should be a difference. We're talking about engine condition not ignition system. The base timing is advanced more than an A, thats all.
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Re: Vacuum gauge reading with a Model B distributor I always set my distributor at the highest point of vacuum this is an FSI unit with flyweight advanced positive High Point at idle
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Re: Vacuum gauge reading with a Model B distributor http://www.onallcylinders.com/wp-con...-reading-1.png
invaluable tool. Between a compression tester, leakdown tester, and a vacuum gauge you can tell everything there is to know about any engine and anytime a suspected engine issue, backfiring, overheating, or low power these 3 basic tests should be run. Easily do all 3 in less than an hour. Link is a great chart you can print off and pin to the garage wall or wrap the vacuum gauge in it. Model A has an easy access vacuum port right on the manifold so it cant get any easier. |
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Huh? "Splain yourself Lucy?" |
Re: Vacuum gauge reading with a Model B distributor Comparing distributors is, to me a fuzzy thing because the A with the manual advance will be all over the map for vacuum depending where basic is set and where lever is set. B same thing for basic timing and except for all of the variables in camshaft profile, timing covers and A vs. B block variables and condition of centrifugal timing on B dist. Like comparing track shoes to horse shoes.
I commend your use of the vacuum gauge though. |
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Being a Jr member here does not imply one is new to As or mechanics, only that one tends to not post much. |
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