Holley Terminator EFI Inlet manifold space advice - Team Camaro Tech
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post #1 of 7 (permalink) Old Aug 23rd, 18, 10:45 PM Thread Starter
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Unhappy Holley Terminator EFI Inlet manifold space advice

Hello to all fellow forum friends.
I have a 1968 SS Camaro, 4 speed, 12 bolt, multi-leaf. My car is in relatively stock condition with engine, suspension, brake & body upgrades. Mainly due to safety reasons.

I purchased a Holley Terminator EFI Stealth for my machine to go on top of a Edelbrock dual-plane Air-Gap manifold. After plenty of research I have come up with the fact to help my car run better, I'll need to install a 1/2" carb spacer.
This will also eliminate having to modify the current dual-plane manifold or to make a purchase for a single-plane manifold.
All that said, my dilemma is that all the online stores that I have made contact with have different ideas with the type of spacer I should use.
Open plenum, clover leaf, super sucker, 4 holes and the list goes on...talk abound confusing.

Please any help will be greatly appreciated.

Sean
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post #2 of 7 (permalink) Old Aug 24th, 18, 02:44 AM
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Re: Holley Terminator EFI Inlet manifold space advice

What are you wanting from the adapter besides making the EFI fit ?

More torque

More top-end HP

Move the HP/TQ curve up or down

But....in all reality, we're talking very small numbers with a 1/2" spacer on an Airgap manifold.

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post #3 of 7 (permalink) Old Aug 24th, 18, 03:45 AM
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Re: Holley Terminator EFI Inlet manifold space advice

I dont think there is much to be gained with a 1/2 spacer on the air gap intake. It may also create clearance issue air cleaner to hood.

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post #4 of 7 (permalink) Old Aug 24th, 18, 07:38 AM
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Re: Holley Terminator EFI Inlet manifold space advice

What is the issue putting the terminator on a dualplane intake?

...Dennis

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post #5 of 7 (permalink) Old Aug 27th, 18, 05:53 PM Thread Starter
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Re: Holley Terminator EFI Inlet manifold space advice

Hey and thanks for all the reply`s.....

The reason for the spacer was that I watched a YouTube video by Engine Master. apologies as I can not remember the chapter.

if you say that the advantages are very small, I guess that I will give the idea a miss. again thank you for the reply`s.

Sean
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post #6 of 7 (permalink) Old Aug 27th, 18, 07:54 PM
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If you have the Air Gap with the milled out notch in the center devide your MAP sensor should be getting a good enough signal from both sides, so you shouldn’t need a spacer.
If it’s a solid divider the MAP only gets signal from one side which can cause tunning issues, like shown on the engine masters video.

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post #7 of 7 (permalink) Old Aug 27th, 18, 10:45 PM Thread Starter
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Re: Holley Terminator EFI Inlet manifold space advice

Hi Darin. Thanks for the feedback.
I guess that I will pull the manifold off and crank up the mill.......
Again, thank you for the feedback, greatly appreciated.

Cheers
Sean
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