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ALedbetter1

02-10-2014 05:06 PM

High vacuum readings

My 84 k20 with a 350 is having outrageous vacuum readings. Its pulling about 65 at an idle at the intake. This is a lot more than the typical 17 to 22. What could be the culprit? Its got a edelbrock performer eps intake and a Holley 750 cfm carb too.

BMERDOC

02-10-2014 05:21 PM

Re: High vacuum readings

Are you sure you are reading it right? There is no such thing as vacuum over 30 hg. in.

mrolds88

02-10-2014 06:57 PM

Re: High vacuum readings

Quote:

Originally Posted by ALedbetter1 (Post 6518959)

Its pulling about 65 at an idle at the intake. This is a lot more than the typical 17 to 22. What could be the culprit?

Culprit, I do believe, may be, just may be the vacuum gauge.

ray_mcavoy

02-10-2014 08:07 PM

Re: High vacuum readings

You're not reading the metric Kilopascals (kPa) scale by mistake are you? 65 kPa = 19.2 inHg.

S10Fan

02-10-2014 09:22 PM

Re: High vacuum readings

Quote:

Originally Posted by ray_mcavoy (Post 6519238)

You're not reading the metric Kilopascals (kPa) scale by mistake are you? 65 kPa = 19.2 inHg.

Those dadgum kilopascals are sneaky suns a guns..... LOL

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