Aussiespeed Chevy 250, 292 Chevrolet in line 6 cylinder 4 barrel intake manifold, this performance inlet manifold offers high velocity ports, divided centre plenum port allowing for even flow to all runners. the Aussiespeed Chev 6 inline manifold is available in to suit 4150 flange squarebore holley 4 barrel carbs the manifold is supplied to accept either forward facing or sideways mounting carburettors
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The Dual bolt pattern accepts Squarebore Holley Carburettors from 390 to 850 in both forwards and sideways mounting. The plenum floor is designed to catch fuel drop and re introduce it as air speed increases. The plenum has a divider placed in the plenum to lengthen the centre runner and reduce plenum volume .
No Adapter required for mounting the carburetor side ways as the intake manifold comes drilled for both positions
The taller plenum we have found offers optimum performance across a wide rev range. The plenum can be machined lower for hood clearance.
The manifold has one x 1/4 npt vacuum take off on the rear of the manifold for brake vacuum and auto transmission fitting.
Chevy 250 fitted with Aussiespeed AS0044 with a 4 barrel carb
Are you looking for an EFI option, Gill Welding and Fabrication in the USA offer turnkey packages with the AS0044 being the manifold of choice. You can contact them directly https://www.gillwelding.com/
The AS0044 length off the cylinder head flange to the outer edge of the carb pad at the widest part is 24 centimetres
This pic shows the rear runner length from the head face to the curve of the runner it is 13 centimetres
Front runner is also 13 centimetres from the head face to the curve in the runner.
Due to the engine not fitting flat in production vehicles the carb pad is machined on an angle so the carb fits flat. The centre of the carb is the highest part. The intake plenum is 87mm high