George Lendich wrote:

Paul and Jerry,

I've been thinking about these inlet manifolds and was wondering if rectangular tubes made from flat sheet could be used without  too many negatives.

The benefits are the bends would be so much easier to do.

The height would be maintained at the minimum for those with limited over engine area.

The injectors would be OK side by side without needing to angle them to the centre of the tube.

The negatives would be you couldn't use a round bellshaped inlet - however a square one might be near as good.

I don't know how much the square corners (in the runners) would be less efficient than a round tube - you would however have more volume area.

Some suggestions on the negatives would be appreciated.
George ( down under)

Too much welding of thin sheet :)

Paul Lamar
 
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