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Black VK 3.3 in HG

I want to remove the exhaust gas recirculation from the black head. What do people use to plug the 6 holes in the head? What is the thread?
Thanks.

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T

My Shed

Holdenpaedia, they're the brakes Mate.

I note that the link supplied by "T" (for which I thank you) refers to the EFI black 3.3. Would the carby version head have the same threads? What sort of plugs should I look for? Any ideas on where to find them.

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Both the carb (EST) and injected (EFI) VK 3.3's use the same head
... http://holdenpaedia....

They both use the same grub screws. Later EFI models have no grub screw holes at all. The holes have not been drilled and tapped.

I don't know where to get them, but I'd try Repco Burson's Supercheap etc.

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T

My Shed

Holdenpaedia, they're the brakes Mate.

Here's one source, 5/8 (58X34NCSSS) ...

https://shop.konnect...

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T

My Shed

Holdenpaedia, they're the brakes Mate.

I recall some discussion about the UNF and that it might be UNC. This link will help with Threads per Inch ...

http://oldholden.com...

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T

My Shed

Holdenpaedia, they're the brakes Mate.

Air Injection uses the smog pump ...

http://holdenpaedia....

Exhaust Gas Recirculation connects the Inlet and Exhaust Manifolds together but only when the Inlet Manifold Pressure is applied ...

http://holdenpaedia....

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T

My Shed

Holdenpaedia, they're the brakes Mate.

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