Idle vacuum

Alpine · Post by **Alpine** » Thu Jan 29, 2004 1:39 am

How many inches of mercury does a stock 2.0L from a 914 pull at idle?

Bleyseng · Post by **Bleyseng** » Thu Jan 29, 2004 7:04 am

On a vacuum gauge about 15hg.

Geoff

Alpine · Post by **Alpine** » Thu Jan 29, 2004 9:40 am

Bleyseng wrote:On a vacuum gauge about 15hg.

Geoff

Thanks. Engine Analyzer predicted 15.4.

ratwell · Post by **ratwell** » Thu Jan 29, 2004 12:24 pm

It also depends on what you set the timing to.

MASSIVE TYPE IV · Post by **MASSIVE TYPE IV** » Thu Jan 29, 2004 12:28 pm

Thanks. Engine Analyzer predicted 15.4.[/quote]
Yep, analyzer is always pretty close- but like I said don't bet your life on anything any program says.

yetibone · Post by **yetibone** » Sat Jan 31, 2004 9:07 am

Why does that engine pull a little less than the industry standard 18" to 21" hg? Does the cam profile (high lift/long duration) make for less vacuum, or is it something else?

Joe