Vt 304 v8 intake vacuum ports

For non EFI mechanical discussion
Baillie122
Posts: 19
Joined: Sat Apr 09, 2022 1:46 pm
cars: Vt commy

Vt 304 v8 intake vacuum ports

Post by Baillie122 »

Hi all
Wondering what the 2 vacuum ports are for on the back of my 304 v8 intake manifold just below dizzy.
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brindo
Posts: 333
Joined: Sun Jun 28, 2009 11:43 pm
Location: Western Queensland

Re: Vt 304 v8 intake vacuum ports

Post by brindo »

Larger one is for the brake booster.
Smaller one is a vacuum port to supply the cabin vents and heater control.
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Baillie122
Posts: 19
Joined: Sat Apr 09, 2022 1:46 pm
cars: Vt commy

Re: Vt 304 v8 intake vacuum ports

Post by Baillie122 »

Thanks mate
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