TBI Throttle Body Injection discussion and questions. L03/CFI tech and other performance enhancements.

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Old Jul 10, 2004 | 05:59 PM
  #1  
BronYrAur's Avatar
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From: Chicago, IL
Car: 91 Camaro RS Convertible
Engine: 305 TBI
Transmission: 5-Speed
Axle/Gears: 3.42
Track Times

Ok, guys, a bunch of thirdgen guys in my area rented out Route 41 dragstrip for the day today so I went and actually ran my car for the first time. It wasn't a great day though; it had rained earlier so it was really hot and really humid. Lady in the tower said the track temp was 118* Crazy Hot. Everyone seemed to be running slow so I guess I'm content with these times, here's the best run:


Reaction............832
60 ft..................2.251
330 ft................6.546
1/8 ET...............10.082
1/8 MPH............69.64
1000' ET...........13.142
1/4 ET...............15.72
1/4 MPH............86.92

There they are, let me know what ya think.

ps. Prominator didn't show up yet so I couldn't do any tuning at the track which would have been nice.
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Old Jul 10, 2004 | 06:45 PM
  #2  
cali92RS's Avatar
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From: San Pedro, Ca
Car: White KSwisses
Engine: 5.3L Gen III
Seems about right for a mostly stock LO3 convertible and those bad track conditions. What kinda chassis/suspension work have u done?
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Old Jul 10, 2004 | 06:57 PM
  #3  
BronYrAur's Avatar
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From: Chicago, IL
Car: 91 Camaro RS Convertible
Engine: 305 TBI
Transmission: 5-Speed
Axle/Gears: 3.42
None, it's all stock except for the flowmast muffler, open element and 3.42's; and I was beating all the other TBI cars by a lot (like .6-.8) Consistently beating another TBI car that had headers and full 3" exhaust and an Edelbrock intake by a full second. So I was pretty happy with what it was doing.
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Old Jul 11, 2004 | 02:03 AM
  #4  
azvolfan's Avatar
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From: Avondale, AZ
Car: currently thirdgenless!!!
I would like to see those numbers on mine. But I have a lot of chip tuning to do. My best is a 16.210 @ 87.0
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Old Jul 11, 2004 | 09:21 AM
  #5  
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From: Cincinnati, OH
Car: '90 RS
Engine: 377 LSX
Transmission: Magnum T56
Those are great numbers for a vert. Toss in that L98 cam you have along with some prominator work and you will
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Old Jul 11, 2004 | 10:40 AM
  #6  
BronYrAur's Avatar
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From: Chicago, IL
Car: 91 Camaro RS Convertible
Engine: 305 TBI
Transmission: 5-Speed
Axle/Gears: 3.42
hehe Let's hope so Shifty. I hope that Prominator comes soon, Bruce (aka Grumpy) was at the track day and said those guys were waiting on parts to get there so they could send out the next shipments. I was hopin for real low 15's though, maybe if the track conditions were different. The guys with big power motors were saying that the track was like they were ice skating down the quarter.
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Old Jul 11, 2004 | 03:57 PM
  #7  
Dennis91RS's Avatar
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Joined: May 2002
Posts: 582
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From: Solomons Island Maryland
Car: 1991 Camaro RS
Engine: 4 bbl 305
Transmission: 700R4
not too bad for a rag top keep on goin dude
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Old Jul 11, 2004 | 07:49 PM
  #8  
r90camarors's Avatar
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Joined: Dec 2001
Posts: 1,418
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From: Morris, IL
Car: '91 t-top RS; '91 hrdtp Z28
Engine: LO3;383tpi
Transmission: 700r4;very nice 700r4
Axle/Gears: 4.10 zt posi, 3.70 auburn
Nice times man, especially for the mods. Are you still getting knock counts off the wall? I bet you'll see real nice gains after you get the prominator set up.
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