SCCAForums.com

Wow Mark, that would be terrific!

 

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-Aaron Goldsmith

www.EliteTint.com
www.ChaseCam.com

Yes, a BIG thumbs up to a real, useful, test and tune course.

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Keith
'90 Miata with a really big roll bar
www.chaserace.com
www.tightntidyracing.com
www.vorschlag.com

Britain Smith:

Yea, I will be at that event.  However, I better have my sound issues worked out ahead of time.  Do you know who has the sound meter and if I can borrow it?  The ORPCA group has an event earlier than that one.

-Britain

Britain,

It lives in the solo trailer which is at Denis Cornforth's place.  If you need his contact info, drop me a line.

Andy H. 

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ES ~ '94 Mazda Miata

The reality is that if it exits out the back and has an adj tip elbow you can pretty much get away an open exhaust.  Of course this doesn't assist with site retention, but this fundamental flaw is why I couldn't take it seriously when I was on the SEB and had this subject assigned to me.

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"Understeer is when you hit the wall with the front of the car and oversteer is when you hit the wall with the rear of the car.
Horsepower is how fast you hit the wall, torque is how far you take the wall with you." --Anonymous

TeamRX8:

The reality is that if it exits out the back and has an adj tip elbow you can pretty much get away an open exhaust.  Of course this doesn't assist with site retention, but this fundamental flaw is why I couldn't take it seriously when I was on the SEB and had this subject assigned to me.

Easy to fix. DSQ for unsportsmanlike conduct.

StrokerAce:

Easy to fix. DSQ for unsportsmanlike conduct.

I'm going to bet one of the most under-utilized rules in the book:

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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Andrew Maffessanti
STS 114 - 1992 Miata Blk
Atlanta Region SCCA

it's been going on there for years unchallenged, there have easily been cars there with blatantly intentional directional elbows louder than cars that got DNFd because they didn't have them

call me jaded ....

 

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"Understeer is when you hit the wall with the front of the car and oversteer is when you hit the wall with the rear of the car.
Horsepower is how fast you hit the wall, torque is how far you take the wall with you." --Anonymous

Head up guys, registration opened for the SD Tour and El Toro Pro.

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-Aaron Goldsmith

www.EliteTint.com
www.ChaseCam.com

The reality is that if it exits out the back and has an adj tip elbow you can pretty much get away an open exhaust.  Of course this doesn't assist with site retention, but this fundamental flaw is why I couldn't take it seriously when I was on the SEB and had this subject assigned to me.

Maybe at some places, but not Qualcom.  The place has a lot of K-rail and other reflective surfaces that bounce the sound around.  In addition, sound reflects off overcast which is typical in the mornings in SD.  If its a bit foggy then that dampens the sound.

 Also, you guys needs to think about intake noise if you're running a CAI in front of the radiator.

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John Coffey
http://www.betamotorsports.com