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Post by lagunamiata on May 2, 2006 20:44:23 GMT -5
In short, go for it. As long as the cat is stock, you're cool.
From the rulebook:
Any part of the exhaust system beyond (downstream from) the
header/manifold or catalytic converter, if so equipped, may be
substituted provided the system meets the requirements of 3.5.
Stainless steel heat exchangers are permitted only if the physical
dimensions and configuration remain unchanged. Modifications
of any type, including additions to or removal of, the catalytic
converters, thermal reactors, or any other pollution control
devices in the exhaust system are not allowed and the system
must be operable. Replacement catalytic converters must be OE
if the vehicle has not exceeded the five-year/50,000 mile warranty
period as mandated by the EPA. Converters must be of the
same type and size and used in the same location as the original
equipment converter(s). This does not allow for a high performance
unit. If the vehicle has exceeded the five-year/50,000 mile
warranty period, replacement catalytic converters must be OEtype
as per Section 13.
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Post by lagunamiata on May 2, 2006 20:46:06 GMT -5
And section 3.5...
3.5 MUFFLERS
Adequate mufflers are required for Solo events. The criterion of
“adequacy” is not what the exhaust system consists of, but the
sound level. Any car deemed by the Event Chairman or his
designated representative to be excessively loud shall not compete
without acceptable modifications installed on the car.
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Post by damnyankee on May 2, 2006 20:46:17 GMT -5
Thank you again!! Dang, I should just call you on the phone!!!
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Post by damnyankee on May 2, 2006 20:47:07 GMT -5
I don't expect it to be louder than Mr. Bright's Z
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Post by lagunamiata on May 2, 2006 20:51:04 GMT -5
He has a stainless cat-back... sounds sweet!!
Download the PDFs of the rules is a helpfull thing... :-)
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Post by damnyankee on May 2, 2006 20:56:19 GMT -5
That's what mine will be....Borla cat backs. They should add 10 -15 hp. Like that is what I need!! Hopefully, you can teach me temperance with the accelerator pedal!!!
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Post by damnyankee on May 2, 2006 20:56:50 GMT -5
Oh yeah, congrats on the T.O.P.!!
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Post by lagunamiata on May 2, 2006 21:01:35 GMT -5
Oh yeah, congrats on the T.O.P.!!  Missed that... ;D |
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Post by lagunamiata on May 2, 2006 21:02:06 GMT -5
That's what mine will be....Borla cat backs. They should add 10 -15 hp. Like that is what I need!! Hopefully, you can teach me temperance with the accelerator pedal!!! I bet it'll be fun!! I need to drive a Z sometime... |
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Post by damnyankee on May 2, 2006 21:04:56 GMT -5
It really is a different feeling. The accelerator pedal is electronic ( fly by wire technology), so you don't get a lot of feedback. Just different.
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Post by ROADBOY on May 4, 2006 14:46:56 GMT -5
Hmm, I heard of problems with throttle responce. How is yours?
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Post by damnyankee on May 4, 2006 20:15:40 GMT -5
It just feels a little wierd during auto -x.  Maybe it's just me. Seems like a slight lag when I step on it, then I press a little harder and I break the tires loose.  I think it is a matter of getting used to it and anticipating the lag. Kinda like "looking ahead" as my "Supreme Being" of an Instructor once told me!!! ;D ;D ;D |
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Post by prancingdawg on May 4, 2006 20:54:43 GMT -5
Why would an Air Filter mod knock him out of STS2? AIR FLOW METER, JOHN BOY...  |
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Post by hippie on May 4, 2006 21:08:05 GMT -5
D**nyankee38....If you haven't purchased the Borla exhaust yet I know where a used one is for sale. ;D As some may have noticed the volume/sound of my Z changed recently. I removed my Borla and installed a custom, home made, Titanium, not stainless, exhaust. If you're interested in the Borla TD PM me or see me at the next auto-x.
I do agree that the fly-by-wire in the Z is kinda odd, but you get used to it. The delay in WOT becomes 2nd nature.
mike
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Post by damnyankee on May 4, 2006 21:11:11 GMT -5
D**nyankee38....If you haven't purchased the Borla exhaust yet I know where a used one is for sale. ;D As some may have noticed the volume/sound of my Z changed recently. I removed my Borla and installed a custom, home made, Titanium, not stainless, exhaust. If you're interested in the Borla TD PM me or see me at the next auto-x. I do agree that the fly-by-wire in the Z is kinda odd, but you get used to it. The delay in WOT becomes 2nd nature. mike I haven't. I'll get with you on the 13th. |
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Post by prancingdawg on May 4, 2006 22:06:46 GMT -5
CAn't wait...
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Post by ROADBOY on May 4, 2006 23:21:42 GMT -5
It just feels a little wierd during auto -x. Maybe it's just me. Seems like a slight lag when I step on it, then I press a little harder and I break the tires loose. I think it is a matter of getting used to it and anticipating the lag. Kinda like "looking ahead" as my "Supreme Being" of an Instructor once told me!!! ;D ;D ;D Huh, sounds like the old carburetor days. Well, a badly tunned carburetor. |
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Post by damnyankee on May 5, 2006 13:48:23 GMT -5
It just feels a little wierd during auto -x. Maybe it's just me. Seems like a slight lag when I step on it, then I press a little harder and I break the tires loose. I think it is a matter of getting used to it and anticipating the lag. Kinda like "looking ahead" as my "Supreme Being" of an Instructor once told me!!! ;D ;D ;D Huh, sounds like the old carburetor days. Well, a badly tunned carburetor. Exactly!! Like a bad accelerator pump in an old Rochester Quadrajet!! |
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Post by ROADBOY on May 5, 2006 16:52:51 GMT -5
LOL, good ol quadrabog
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Post by damnyankee on May 6, 2006 21:28:14 GMT -5
LOL....at least someone knows what I'm talking about!!! |
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Post by C4Shane on May 7, 2006 9:37:14 GMT -5
LOL....at least someone knows what I'm talking about!!! Yep...replaced/replacing all Quadrajunks with Holleys....last one to get the treatment will be the Vette...picked up a nice Holley slightly modified and "borrowed" from a friend in the drag racing biz. Traded him a few bowtie parts fer it.... I feel your pain. The old Saab had really bad throttle/turbo lag..it could easily take a full second or two for it to pick up. |
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Maybe it's just me. Seems like a slight lag when I step on it, then I press a little harder and I break the tires loose. 
I think it is a matter of getting used to it and anticipating the lag. Kinda like "looking ahead" as my "Supreme Being" of an Instructor once told me!!! ;D ;D ;D
