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| I did a bad thing today.... (Page 2/4) |
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Valkrie9
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DEC 09, 09:02 PM
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Fail to Signal ? ------------------------------ Bzzzttt ! Phfffft !
Improper Lane Change ? ------------------------------ Bzzzttt ! Phfffft !
Impeding Traffic Accident Gawker ? ------------------------------ Bzzzttt ! Phfffft !
Interchange Roadside Zombie ? ------------------------------ Bzzzttt ! Phfffft !
DWI Driver ? ------------------------------ Bzzzttt ! Phfffft !
Hey !
This is fun !
Get your ' ® Road Phasor IV ' installation soon.
Latest Model, with ' Long Range Moron Detection '
Implementing social change, ' for the greater good ' one zap at a time.
A nicer society, mutual respect and lawful conduct, better and greater.
Run a Red Light ? ------------------------------ Bzzzttt ! Phfffft !
Double Parking ? ------------------------------ Bzzzttt ! Phfffft !
lol !
Road Rage Dash Cam
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RWDPLZ
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DEC 09, 10:02 PM
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The freeways between Palo Alto and Fremont after midnight make a GREAT testing ground, there's NOBODY on the roads, maybe a few cars on 880.
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Patrick
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DEC 10, 01:27 AM
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| quote | Originally posted by cvxjet:
I did a bad thing today...
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Reminds me of an old Chris Isaak tune. Almost NSFW. 
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MarkS
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DEC 11, 07:52 PM
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I'm a little more old school 
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Notorio
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DEC 14, 11:47 PM
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| quote | Originally posted by TheDigitalAlchemist:
those 'pop-pop-pop' cars are the WORST. reminds me of the vacuum kids toys
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You mean they WANT it to sound that way? Yikes.
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cvxjet
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DEC 15, 01:20 AM
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I remember back in high school, most of the "Cool guys" wanted their cars to emulate the "Funnycar look"....Jacked way up in back, with fatties in back and the skinniest tires they could find in front. They could not turn- had to come to a stop before making any turns- luckily, my father had been a sports car nut back in the fifties, so I was into handling- moderately fat tires front and rear, and relatively low at both ends. ( I will not mention some of the other things I did that were....."super-coolio")
The "cool kids" now modify the engine controls so that the engine backfires all the time- but then the engine runs like crap....The cool kids are so shm(F)art!
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Valkrie9
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DEC 15, 02:42 AM
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Xenoblast
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DEC 15, 04:20 AM
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is300 owners... taking the luxury out of lexus since 1999
speaking of lexus owners, Ive been trying to find a clean LS400 for a while now for a daily, but all the nice ones are stanced... I can appreciate stanced cars as a show car but cmon man...[This message has been edited by Xenoblast (edited 12-15-2022).]
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MarkS
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DEC 15, 09:12 AM
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| quote | Originally posted by Notorio:
You mean they WANT it to sound that way? Yikes. |
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Yep, recently, I've watched 2 of these things try to take on the hot shot Mustangs on the highways. Once on PA Rt 33 north of Bath PA, came up from behind me so did not see where it all started but they got in front of me and others then side by side slowed down to maybe 5-10MPH blocking the highway (which was nuts as traffic was moving about 70 prior) then took off. They did this twice with the ricer back firing on deccel. The Pony kicked its ass both times. Similar on I287 N in Piscataway AT RUSH HOUR weaving through cars. Same result.
https://freesound.org/peopl...abrik/sounds/249146/
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zkhennings
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DEC 15, 10:18 AM
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Not a fan of the burble and crackle tunes either, I appreciate a nice pop after a hard shift, but if when decelerating it just backfires constantly, it is annoying.
However, the car does not need to run poorly to achieve this. Below find a Fueling map for a WRX. The top column is engine load which is found by dividing the MAF air mass in grams by how many RPMs the motor is turning. Left column is RPM. The values in the table are the commanded air fuel ratios. WRXs run very rich at higher loads due to the boxer layout and what it likes for timing and AFRs.
The green arrow starts at a typical value where you are cruising on the highway at 14.7:1 AFR, then the gas pedal is pushed to the floor and you quickly end up in the high load column and remain there through redline.
The red arrow is letting off the gas, the throttle closes and the MAF values drop drastically very quickly. You end up at high RPMs in the almost no load category, and the only way to get here is by letting off the gas at higher RPMs. These values can be commanded to be pretty rich so that excess unburnt fuel exits the cylinder and hits the hot exhaust manifold and creates the incessant backfires. The motor still runs fine, especially under load, more than anything it is just a waste of gas. As long as the car is tuned this way, there are no hiccups in air fuel values that the computer is not expecting so everything runs and performs as it should. So it is just obnoxious more than anything.
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