Ported vs stock airhorn

[LGAFF]

Its winter so time for boring posts

I was surprised at some of the difference in widths in some areas....notice the lip is radiused/blended in AC bump is reduced significantly

http://i134.photobucket.com/albums/q115/lgaff/DSCN6196.jpg (http://s134.photobucket.com/user/lgaff/media/DSCN6196.jpg.html)

[XfireZ51]

So Lee, there was enough metal there to take out and not punch through that air channel?

[LGAFF]

Yes, plenty.....still a lot left

[Paul Workman]

Aside from opening it up to accommodate say 63mm throttle plates, I think simply grinding out the horn a bit could be stopping short of what might be the better approach, i.e., something like the venturi horns on the Webber carbs maybe???

http://i185.photobucket.com/albums/x220/6PPC_bucket/tech%20files/velocitystacks_zps255babf6.jpg (http://s185.photobucket.com/user/6PPC_bucket/media/tech%20files/velocitystacks_zps255babf6.jpg.html)

Something I've been thinking about for a while now...

http://i185.photobucket.com/albums/x220/6PPC_bucket/tech%20files/LT5airhornconcept11-12-11.jpg (http://s185.photobucket.com/user/6PPC_bucket/media/tech%20files/LT5airhornconcept11-12-11.jpg.html)

I like the sound of a "cammed" motor too. BUT, I like the surprise factor especially. Whatever pumps up the performance w/o tipping anyone off...heh, heh, heh.... :dancing