Barry,
At the narrowest point, the frame edges (at the bottom) are about 3.25" apart.
So it's doubtful you would be able to get a 3" resonator in there without it
rattling against a frame member.
Your clearance would only be 1/8" on either side and unless you mount it without
any play, it would most certainly hit the frame.
Joe
Barry Schwartz wrote:
>
> I'm getting ready to install the Borla muffler on the Spitfire, and still
> have a slight concern about the noise level. I know, I know, but I'm not a
> kid anymore, and I just cant stand that droning associated with the usual
> straight through exhaust.
> Borla makes a resonator, that I think I can install before the muffler.
> Question 1. Will a small (18 inch long) resonator actually help enough to
> justify the cost ($95) and installation work (minor)? I do know that the
> GT's did use one on early models, so I assume they are of some benefit
> Question b. Does anyone have the minimum distance between the frame at
> it's narrowest section? In other words, will a 3 inch dia resonator fit in
> there? I realize it would be close, but a 1/4 inch of clearance if mounted
> properly should suffice.
>
> Barry Schwartz (San Diego) bschwart@pacbell.net
>
> 72 PI, V6 Spitfire (daily driver)
> 70 GT6+ (when I don't drive the Spit)
> 70 Spitfire (long term project)
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