vaccum chart

TwoToneThunder

Registered User
i need to find a bad vaccum leak thats preventing me from getting hardly any boost but i dont know where to begin looking
 
Vacuum diagram for 89

titanium89scguy said:
i need to find a bad vaccum leak thats preventing me from getting hardly any boost but i dont know where to begin looking
Hello.
I recently had someone request a vacuum diagram for an 89 SC.
Maybe it will help you as well.
My advice is to just start with one hose at a time and check both ends for ANY loose connection. It's a slow process of elimination. From there you can do the starting fluid or carb cleaner test around the intake, supercharger, IC tubes,... etc.
Hope this helps.
Bill
 

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