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Custom V6 EFI intake manifold

General engine tech -- Drag Racing to Circle Track

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ericjon262
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Re: Custom V6 EFI intake manifold

Post by ericjon262 » Tue Mar 24, 2020 3:46 pm

this is an approximation of the LIM runner plan. the area above the ports will end up housing the injectors, and the runners will bolt on using 3, maybe 4 bolts, one on either side top of the port, one on the underside, with a plan to seal via o-ring.

Image

ericjon262
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Posts: 64
Joined: Tue Jan 12, 2010 12:50 am
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Re: Custom V6 EFI intake manifold

Post by ericjon262 » Tue Mar 24, 2020 10:32 pm

First go at injector placement:

Image

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any closer to the chamber than that is direct injection! lol. this placement isn't half bad though, the injector is vertical, which puts it 45 degrees to the port mouth, firing down into the port. I took this picture of the intake port to give an idea of what the injector would see

Image

if I take this a step further, I can angle the injectors front to back similar to the stock intake (but better!) to further aim directly at the valves. I'm not sure where the point of diminishing returns comes with injector placement, I do think what I currently have would work just fine though.

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