VAC Readings

[NeedaSY]

What should my boost/VAC gauge say when im sitting at idle. I dont have the vaccum ball anymore so thats caped off.

 

[QUICK STORM]

Re: VAC Readings

assuming that it doesn't go that low, 18in. of vacuum is good for a stock motor. if you have a cam it will be less.

 

[NeedaSY]

Re: VAC Readings

Assuming what doesnt go that low???

 

[QUICK STORM]

Re: VAC Readings

Assuming what doesnt go that low???

whoops the boost/vac gauge:lol:

 

[gmcturbo]

Re: VAC Readings

needs to be a steady 18-20 in. vaccum, not jumping around or anything.

 

[NeedaSY]

Re: VAC Readings

Yea it rests at 16 in. My gauge goes up to 30 in.

 

[Z SKI]

Re: VAC Readings

shit, mine reads 11 when i first start it and gets up to 15 after i drive it a little. So i take it that my motor is on the way out?

 

[NeedaSY]

Re: VAC Readings

shit, mine reads 11 when i first start it and gets up to 15 after i drive it a little. So i take it that my motor is on the way out?

Mine at idle sits at 16in but when i let off the gas during driving it hits 19-20in

 

[SonomaGTlover]

Re: VAC Readings

Mine idles right at 20 and cruise is 12-15.