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To convert your engine to EFI can obtain a factory EFI manifold or use the stock downdraft manifold with an EFI throttle body, buy a port-injection manifold, or make your own.
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Factory EFI
Datsun made a factory EFI manifold. See EGI#Intake.
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Buffalo
Buffalo made an aftermarket manifold for their South African-made ATV project, now since discontinued.
Danie van Vuuren supplied all the fuel injection components for the Buffalo ATV project. The intake manifold is custom made & high quality. Price about R1800.00 as of September 201 for the bare intake manifold. Danie can supply you a complete setup or just the bare manifold.
DCOE Conversion
Many EFI kits are available for a Weber DCOE carburetor manifold.
See main artice: EFI
EFI on A14
rally1200
rally1200 EFI on aftermarket DCOE manifold
Air horns
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Extensive heat shield
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Bike Manifold
Instead of Bike Carbs, how about Bike EFI? Motorcycle throttle bodies are a cost-effective way to go.
gx1200
* Kawasaki 1100 Throttle bodies * Nissan RB30 injectors * Microtech MT4 ECU * Bosch pre pump and main pump * Custom intake runners on standard intake flanges * A15 Has had rings and bearings and a mild cam. Other than that its standard * 57KW atw (43 rwhp, or about 54 engine HP)
His A15 probably had the low-RPM camshaft and round-port cylinder head from a Vanette, rather than the 80HP A15 from a B310.
rally1200 bike
35mm motor bike throttle bodies with injectors inbuilt
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rally1200 log
3rotor
Runner lengths are 225mm and can be adjusted by altering the silicone connectors.
bigv
22" runners, length tuned for torqe. For maximum high-RPM power, the diameter should be increased
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Two-piece runners
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Custom
A tuned-runner manifold would not be hard to make one out of some steel tubing and a bit of 10mm plate for the flange, just need a throttle body around 50mm.
quote: Figure out exactly what you want, take some dimentions and a spare cyl head (if you have one) to an aluminum or stainless steel fabrication place eg, aluminium boat builder, have it fabricated ,then machined and bob's your uncle, you have an injection manifold. I'm an aluminium boat builder by trade, so I couldnt see it costing anymore than $250 - $350 max
Dimlights's UM-1
Empson's innovative intake manifold allows use of stock exhaust manifold
You could also use a modified Hilborn injection manifold (A15 manifold with injector bosses welded on)
