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01-17-2015
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#1 |
 
Join Date: Mar 2007
Location: Crystal Lake, IL
Posts: 7,193
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Ported vs stock airhorn
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 
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LGAFF 90 #966-150K miles-sold 92 #234-sold 1987 Callaway TT #17 1991 ZR-1 #1359 |
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01-18-2015
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#2 |
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Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,704
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Re: Ported vs stock airhorn
So Lee, there was enough metal there to take out and not punch through that air channel?
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[SIGPIC][/SIGPIC]Former Membership Chairman Former ZR-1 Registry - BOD 1972 Corvette 4speed base Coupe SOLD long time ago 1984 Corvette Z-51/4+3 SOLD 1992 Corvette ZR-1 Aqua/Gray #474 SOLD 1992 Corvette ZR-1 Black Rose/Cognac #458 2014 Honda VFR Interceptor DX |
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01-18-2015
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#3 |
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Join Date: Mar 2007
Location: Crystal Lake, IL
Posts: 7,193
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Re: Ported vs stock airhorn
Yes, plenty.....still a lot left
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LGAFF 90 #966-150K miles-sold 92 #234-sold 1987 Callaway TT #17 1991 ZR-1 #1359 |
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01-18-2015
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#4 |
 
Join Date: Nov 2007
Location: Squires (near Ava MO in the Mark Twain N'tl Forest) - Missouri
Posts: 6,493
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Re: Ported vs stock airhorn
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???
 Something I've been thinking about for a while now...  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.... 
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Good carz, good food, good friendz = the best of timez! 90 #1202 "FBI" top end ported & relieved Cam timing by "Pete the Greek" Sans secondaries Chip & dyno tuning by Haibeck Automotive SW headers, X-pipe, MF muffs Former Secretary, ZR-1 Net Registry |
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Linear Mode
