Vacuum levels for stock 94 LT1

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Mar 20, 2004 | 08:17 AM

ZugDud

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Registered User

Joined: Feb 2004

Posts: 48

From: Racine, WI

Vacuum levels for stock 94 LT1

Hi all, I get 19 in hg of vacuum at idle in park and 16 in hg of vacuum in gear are these the stock levels for a 94 f-body LT1? or could I have a vacuum leak?

Thanks

Mar 20, 2004 | 08:44 AM

shoebox

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Joined: Dec 1969

Posts: 27,730

From: Little Rock, AR

Doesn't sound too bad, though might could be a smidge higher. Some factors are engine mileage and how good your rings are sealing. It would not hurt to look over all your vacuum hoses and maybe test for leaks.