need info for vacuum readings

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Sep 6, 2012 | 12:24 PM

34blazer

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Joined: May 2010

Posts: 848

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From: Alamogordo, NM

Car: '86 Grand National

Engine: LZ9????

Transmission: 2004R

Axle/Gears: 3.42

need info for vacuum readings

gents,

I need to know what vacuum(in kpa) the engine(2.8) pulls in stock form. its been so long since ive had one with a stock cam lol. just trying to figure out if i have a vacuum leak.

Sep 6, 2012 | 02:51 PM

project89

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Posts: 10,401

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From: Utah

Car: 89 RS 89 iroc 87 firebird

Engine: 3.1 Turbo/ 355 twin turbo

Transmission: a4 w/ 4500 stall/ a4 / t5

Axle/Gears: strange s60 /w 3:42's

Re: need info for vacuum readings

16-18 inches iirc

Sep 6, 2012 | 05:53 PM

fasteddi

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From: Northwest Ohio

Car: 1991 Camaro RS

Engine: Lq4 6.0 SBE s485 turbo E85

Transmission: Fsi th400 stage 4. TSI 5500 st

Axle/Gears: Strange S60 4:10s

Re: need info for vacuum readings

Quote:

Originally Posted by project89

16-18 inches iirc

Yup matters where you live sorta. But mine pulled 21" here when it was all stock, you know how close to sea level Ceder point is.

In KPA?? somewhere from 54 to 67kpa I think would be ok.

You doing a $59 car?? You able to burn away?