Intake manifold fabrication

[SwiftDB4]

Very rare manifold with 2 downdrafts. Hermes made a dual Weber sidedraft manifold for wedge heads, but have never seen this before. What's with the TC JPS Special in the ad?

[Serge]

I actually have two of those twin Weber dang downdraft manifolds with carbs on my shelf. I would be willing to sell 1 set if anyone is interested.

Serge

[lotusfanatic]

Serge,

I have messaged you....

Cheers,
Mark

[MRN I J]

Old topic
Just making the Hermes style Twin 45 side draught inlet manifold along with the exhaust manifold, this is for the later Trafic round inlet port wedge head not the rubbish Lotus head although changing the head flange is easy now I have found a good laser company

[jbcollier]

The 1470 head was just a production Renault head.  Agreed, it's not the best.  Performed pretty well, that said.

[MRN I J]

here are some photos of the head flanges of the round port head I intend to use

[MRN I J]

The 1470 head was just a production Renault head.  Agreed, it's not the best.  Performed pretty well, that said.

Not bad, and Hermes made it go well but I wonder if the 138bhp was a slide rule figure as I have spent a huge amount of money & time making a twin cam Aston work & its generally stuck at 92 bhp per ltr except for 1 engine & Hermes claimed nearly 94 bhp with a poor head shape which is hard to get high compression on, I wonder if one ever went on an engine dyno & whose or was it a rolling road which can be would up or down depending on what you wan't to see.