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V8 vacuum 

 

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 Post subject: V8 vacuum
Posted: Wed Jun 26, 2013 12:22 pm 
Getting Side Ways
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Age: 29

Posts: 546

Joined: 5th Jun 2010

Ride: BA XT, NCII V8

Location: Adelaide
SA, Australia

Hey guys, my NC v8 was running a little bad on idle so got a vac guage to see if i had a vac leak,

it was sitting at 15, found that the green vac line going into the airbox had come off put it back on and the idle is better and now vac is 18,

what ammount of vac am i supposed to get from these 302's?
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 Post subject: Re: V8 vacuum
Posted: Wed Jun 26, 2013 5:07 pm 
EFI Guru
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Age: 52

Posts: 4289

Joined: 5th Nov 2004

Gallery: 28 images

Ride: 351 Vogue,XH 5.0,'17 5.0 Stang

Location: Perth
WA, Australia

18ish is about right.
That line doesn't go into the airbox btw, it goes to the Canister Purge solenoid.
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 Post subject: Re: V8 vacuum
Posted: Thu Jun 27, 2013 11:12 am 
Getting Side Ways
Offline

Age: 29

Posts: 546

Joined: 5th Jun 2010

Ride: BA XT, NCII V8

Location: Adelaide
SA, Australia

the green line on mine went into the firewall and plugged into the xmas tree looking thing next to the manifold the purge solenoid one comes from the front of my manifold
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 Post subject: Re: V8 vacuum
Posted: Thu Jun 27, 2013 2:42 pm 
EFI Guru
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Age: 52

Posts: 4289

Joined: 5th Nov 2004

Gallery: 28 images

Ride: 351 Vogue,XH 5.0,'17 5.0 Stang

Location: Perth
WA, Australia

Now it's going into the firewall? You said it went into the airbox. Either way, if it came off it's a vac leak.
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