CamaroZ28.Com Message Board

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- LT1 Based Engine Tech (https://www.camaroz28.com/forums/lt1-based-engine-tech-9/)

- - vacuum????? (https://www.camaroz28.com/forums/lt1-based-engine-tech-9/vacuum-369351/)

lt1street

May 22, 2005 10:38 PM

vacuum?????

i have great vacuume 20ins. And i was woundering if i had a bad cylinder or something in that matter,change in that vacume reading???? there is funny vidration about 2300 and i can figure it out??? i did compression test on three rotaions i get 170psi and on 5 i get 190psi. The car has 114000 not too many miles but make wounder sometimes.

shoebox

May 22, 2005 11:03 PM

Re: vacuum?????

If you had a bad cylinder, the needle on a vacuum gauge would flutter while watching it at idle. 20" is good idle vacuum.

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