280z Intakes

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Stock Z Comparison (76 to 78 style is missing It looks like 75 but with more pollution fittings)

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Bob Sharp Racing Intake, note the symmetrical entry of pressurized air between runners 3 & 4

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12 Injectors/ 2 Fuel Rails  (most people just use larger flow injectors)

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12 Injectors

LD-28 Diesel Intake

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These 4 pics show a simple structure. It looks like bell mouths and tapered runners could help improve things.
One neat tip from the above is that a stock manifold can be chopped and a new set of runners and exhaust formed. The stock manifold's connecting flange can be recycled to save considerable machining.

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RB-25/26 shaped manifold adapted to an L28e 

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RB-26 manifold for comparison. Note the bell like runner entries

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TVM Intake variations


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Cannon Intake Runners


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Throttle Cable

Design Info
From excellent turbo boost Maximum Boost by Corky Bell (buy it!)
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Weird and wonderful ideas

Top View

Here is a concept for an easy way to improve air flow in a normally aspirated 6 using stock throttle bodies and some fabrication.
Two 55mm throttle bodies each feeding only three runners.
The inputs can be Y'd to a single input and then fed from a larger AFM or ideally, run from a non AFM/MAF reliant EFI system

Front View

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