The Perfect Bellmouth

[jfholm]

LMAO that was great Rick!

[1960FL]

Here is a few pics of my latest project making as set of these for the heads I work on,
HD and S&S, Evo and TC I am making them in internal bores of Stock and ported diameters holding the overall then to +/- .010 on the entire set. I have also made the same to mimic the carb and that way I can flow the manifold in series also, last I will make a similar set to match the carbs I flow. Hope is to eliminate any confusion of data relating to dissimilar intake paths.


These are stock aluminum tube bored with a 1” thick PVC that I machine to the radius, amazing what you can do with a router bit set up in the tool post.
Rick

[ivanhoew]

photo of router in tool post please

[SSR]

Explanation of what 'HD and S&S, Evo and TC' is please.

[Brucepts]

Explanation of what 'HD and S&S, Evo and TC' is please.

Garden tractor engines bwahhhh!!!






Sorry Rick, couldn't resist

[Tony]

photo of router in tool post please

Robert, something like this will make a super efficient bellmouth very quickly.

The pilot bearing on the end guides the router bit around the inside edge of the hole, forming a lovely smooth radiused entry into any shaped hole.

[1960FL]

you can do with a router bit set up in the tool post.

Robert I use a cheep HSS router bit with 1/2 radius in the tool post holder not the whole router! Yet!!!

SSR,

Explanation of what 'HD and S&S, Evo and TC' is please.

HD Harley Davidson or Hundred Dollars,
S&S S&S Cycles Aftermarket HD Parts "Head In Picture"

EVO 4th generation HD overhead valve motor
TC Twin Cam second production of HD two cam motor current version design of big twin overhead valve motor.

AS Bruce put it Glorified two cylinder tractor motors which is why I am getting his Dyno


OH! and not even a "Nice Bellmouth" Just bust my stones

[Brucepts]

OH! and not even a "Nice Bellmouth" Just bust my stones

It's expected now that your machining is always nice no matter what you machine!

But, they are NICE!!!

[ivanhoew]

oi rick .....

NICE BELLMOUTH

[ivanhoew]

photo of router in tool post please

Robert, something like this will make a super efficient bellmouth very quickly.

The pilot bearing on the end guides the router bit around the inside edge of the hole, forming a lovely smooth radiused entry into any shaped hole.

thats very sexy ,thanks tony .