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CC Advertisers
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01-09-2013, 12:00 PM
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CC Member
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Join Date: Jan 2009
Location: Jonesboro,
AR
Cobra Make, Engine: Backdraft 874 solid red Roush 427 small block 515 hp
Posts: 572
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Not Ranked
Tennis ball test
Quote:
Originally Posted by Thor maine
What is the "tennis ball test"?
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Will a tennis ball go through muffler? That is the "test."
There are photos on this website with a baseball or tennis ball inside muffler.
__________________
There were no atheists in the foxholes.
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01-09-2013, 12:35 PM
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CC Member
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Join Date: Jul 2005
Location: bridgeport,
n.y
Cobra Make, Engine: era 427 side oiler
Posts: 106
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Not Ranked
ya just gotta love patricks input
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01-09-2013, 01:13 PM
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Senior Club Cobra Member
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Join Date: Feb 2007
Cobra Make, Engine: KMP 539, a Ton of Aluminum
Posts: 9,592
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Not Ranked
Quote:
Originally Posted by fjrgary
ya just gotta love patricks input
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Yeah, he missed the "coveted" softball, Nerf football, Futsal ball, tetherball, volleyball, soccer ball, volleyball and both the women's and men's sized basketball tests.    |
01-09-2013, 01:16 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,025
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Not Ranked
Quote:
Originally Posted by RodKnock
Yeah, he missed the "coveted" ... Nerf football... |
Footballs do not roll on a consistent trajectory, especially Nerf ones.  |
01-09-2013, 01:48 PM
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CC Member
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Join Date: Sep 2009
Location: Hideaway, Texas,
TX
Cobra Make, Engine: Backdraft #318, 418 CI, 532 RWHP, Mass Flow Injected, TKO600-Road Race, BMW M3 Suspension, Race Springs (Wouldn't do it again, rough on the street).
Posts: 240
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Not Ranked
I have been stopped only once and the officer was OK. Young guy who said he was under orders to stop all Harley's and any other "open exhaust" vehicles on the road.
His test was simple, a thin night stick looking thing that he stuck in the end of the side pipe. He was looking for a "baffle" and mine has one. That's all he needed to move me on my way with no action. Actually, he apologized for the inconvenience and logged me down as a stop and in compliance (of what, who knows since sound was not the issue in the first place).
I asked him how his Harley stops were going and he said not to well. Seems most are open aftermarket (mine also) and there is no baffle to hit. Fix-it tickets were being issued on that basis and the guys were throwing a fit.
Interesting, I also asked him about the 18 wheelers and he said they were off limits for this exercise. So now we have seemingly privileged classes of vehicles for sound or baffle purposes.
All took place in the San Martin/Gilroy, CA area during a training program out of the local HP facility for new officers, along Highway 101. I did read later the program was short lived and had been stopped. Can't quite remember why, but whatever was published probably wasn't the real reason anyway.
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Wayne Rogers in Hideaway, Texas
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01-09-2013, 02:08 PM
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CC Member
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Join Date: Feb 2008
Location: Ancaster Ontario,
Ont
Cobra Make, Engine: Boss Replica Motors BB 460 by New Generation Engines
Posts: 189
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Not Ranked
I have never been stopped in Ontario Canada. I do get pulled over for officers to look at the car. I offer to let them take the car for a ride, while I get a coffee. So far no officer has taken me up on the offer.
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01-09-2013, 02:32 PM
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CC Member
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Join Date: Sep 2011
Location: Loudon,
Tn
Cobra Make, Engine: Superformance#2352/Aluminum SO/490 c.i. 650 h.p. 605 tq.
Posts: 410
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Not Ranked
Quote:
Originally Posted by patrickt
When the pipes are off the car, and sitting on the floor, you can roll a tennis ball through them without the ball getting stuck. There's the "tennis ball" test, the "baseball" test, and then there's the coveted "bowling ball" test.... |
interesting!!! reminds me of something else!!!!! |
01-09-2013, 02:49 PM
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Senior Club Cobra Member
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Join Date: Feb 2007
Cobra Make, Engine: KMP 539, a Ton of Aluminum
Posts: 9,592
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Not Ranked
Quote:
Originally Posted by patrickt
Footballs do not roll on a consistent trajectory, especially Nerf ones. |
Yes, but that's the real test. Can you roll a football, especially a Nerf football, through your pipes. If so, then you got some big pipes.  |
01-09-2013, 03:54 PM
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Banned
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Join Date: Dec 2002
Location: New Jersey,
N.J
Cobra Make, Engine: Shelby Cobra CSX4206 aluminum body, original 1965 NASCAR 427 SO, Dual quads.
Posts: 3,897
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Not Ranked
No problem here. Mine are also straight through w/o baffles.
__________________
U.S. Army Rangers. Leading travel agents to Allah.
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01-09-2013, 04:40 PM
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CC Member
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Join Date: Oct 2010
Cobra Make, Engine: Superformance
Posts: 663
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Not Ranked
Quote:
Originally Posted by RodKnock
Yes, but that's the real test. Can you roll a football, especially a Nerf football, through your pipes. If so, then you got some big pipes. |
I think that is documented on the VTEC forums. |
01-09-2013, 04:59 PM
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CC Member
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Join Date: Jan 2009
Location: Jonesboro,
AR
Cobra Make, Engine: Backdraft 874 solid red Roush 427 small block 515 hp
Posts: 572
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Not Ranked
So would you guys recommend no packing or fiberglass or something else on my 3" mufflers?
I am in "doghouse" on the sidepipes already. My chaffeur in photo has put up with me for 24 years but she thought the red car made enough noise.
The only cure for "Doghouse test" will be time and TLC!!
Happy 2013.
__________________
There were no atheists in the foxholes.
Last edited by rpatton3; 01-09-2013 at 05:38 PM..
Reason: Typo
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01-09-2013, 05:06 PM
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Average Guy
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Join Date: Sep 2002
Location: Rushville,
IN
Cobra Make, Engine: red Shell Valley, white stripes
Posts: 579
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Not Ranked
I've logged 13K miles in Indiana and Ohio and have never been stopped by an officer. 'Course I drive like an old grandpa. Well, kinda like one.
__________________
When I said I wanted to be somebody, I probably should have been more specific...
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01-09-2013, 05:17 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,025
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Not Ranked
Quote:
Originally Posted by rpatton3
So would you guys recommend no packing or fiberglass or something else on my 3" mufflers?
I am in "doghouse" on the sidepipes already. The only cute for "Doghouse test" will be time and TLC!!
Happy 2013.
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I'm not a fan of the ultra-loud big block straight through pipes. I had "quiet pipes" fabbed and I am mucho gladdo I diddo. |
01-09-2013, 08:28 PM
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CC Member
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Join Date: Feb 2007
Location: Valencia,
CA
Cobra Make, Engine: BDR #89, KCR aluminum 427 windsor
Posts: 322
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Not Ranked
mine are pretty darned loud... I've rolled up next to several LEO's at stoplights, & all I've gotten are smiles & thumbs-up.
__________________
R. Smith
Santa Clarita, CA
BDR #89- KCR aluminum 427 windsor, TKO-600
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01-10-2013, 08:22 AM
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CC Member
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Join Date: Sep 2008
Cobra Make, Engine: csx4163 full comp alu. body
Posts: 368
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Not Ranked
The use of the sound deadening material as used by hot rod guys on doors underneath finished leather does help a lot inside the car. My csx car is loud but inside just fine, no ear plugs needed. Went with spiral inserts on pipes for Bennett car and lost 60 h.p. Had to be as close to original as possible you know??? Afraid of tickets was part of the thinking also.
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01-10-2013, 01:40 PM
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CC Member
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Join Date: Jan 2005
Location: Auburn,
ca
Cobra Make, Engine: Unique 289 FIA HiPo 289 with Shelby dual quad intake
Posts: 187
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Not Ranked
I like the noise, Its louder than the kids with the window shaking sound systems so I don't have to listen to thier crap, also it puts a smile on my face everytime I trigger someones car alarm
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Rod
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01-10-2013, 02:05 PM
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CC Member
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Join Date: Aug 2003
Location: Gilbert,
AZ
Cobra Make, Engine: Backdraft #90, 351w,Tremec 3550, SB100 SOLD
Posts: 577
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Not Ranked
I got stopped once in El Cajon CA after driving down a narrow street with parked cars on both sides. I think I set off about 15 car alarms. The Sheriff's Deputy didn't think it was too great. But, he let me go after I asked him if he was friends with another deputy I know. Sometimes it pays to drop names!
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01-10-2013, 05:13 PM
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CC Member
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Join Date: Mar 2005
Location: East Greenbush,
NY
Cobra Make, Engine: FFR Mark III, Carbed Explorer 302
Posts: 214
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Not Ranked
Never a problem in Upstate New York but I'm running Gas-pipes S/S side pipes. 
__________________
Proud owner of FFR1004630RD '01 Explorer 302, FRPP B-Cam, Holley S/A 670, HD T-5, Wilwood pedals, 3 link, Koni shocks, 17" Bullett wheels, Baer brakes, Classic gauges, I-Squared wiring, Jaguar Racing Green w/Sliver Stripes
Tagged and road ready in NYSas of 6-5-09 Life is GREAT!
My build log http://www.clubcobra.com/forums/cobra-build-logs/80663-my-cobra-build.html
If you live "Upstate" near Albany, NY send me a PM. Our Cobra gang is growing and looking for new members!
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01-10-2013, 06:04 PM
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CC Member
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Join Date: Nov 2007
Location: Clayton,
IN
Cobra Make, Engine: ERA 838
Posts: 1,133
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Not Ranked
Never even pulled over in about 10k miles. I passed a policeman at 20mph over and he just watched me pass him.
One day I was sitting at a stop light in downtown Indianapolis and a LEO pulled up beside me with his windows down and said "Do you want to race?" I just laughed and he spun his tires pulling away.
John
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01-10-2013, 07:12 PM
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CC Member
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Join Date: Jan 2005
Location: Auburn,
ca
Cobra Make, Engine: Unique 289 FIA HiPo 289 with Shelby dual quad intake
Posts: 187
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Not Ranked
During the Monteray car week this year we were driving the streets of Carmel looking for a place to eat when we pulled up beside a CHP on a bike, I asked him if he knew of a place to eat and he just pointed to his ears and said I can't hear you, we all smiled and I drove away.
__________________
Rod
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