Drag Racing Technique Improve your track times

12.85 @ 107 stock engine convertible

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Old Oct 26, 2006 | 06:25 PM
  #1  
j0n's Avatar
j0n
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From: Central Jersey
12.85 @ 107 stock engine convertible

A couple runs from Atco this past tuesday night, raceweight should still be around 3620lbs and mods are in sig:

1st pass
60.....1.891
330....5.407
1/8....8.315
MPH...83.61
1000..10.827
1/4....12.940
MPH...106.85
vid
(Batteries died after this pass so only one vid...sorry...btw my shifting improved ALOT in later passes...i was very dissapointed in how i banged the gears during this pass)

2nd pass
60.....1.859
330....5.414
1/8....8.332
MPH...83.55
1000..10.849
1/4....12.974
MPH...106.33

3rd pass
60.....1.833
330....5.365
1/8....8.276
MPH...83.86
1000..10.789
1/4....12.911
MPH...106.42

4th pass
60.....1.827
330....5.350
1/8....8.248
MPH...84.33
1000..10.748
1/4....12.858 NEW BEST
MPH...106.93 NEW BEST
Old Oct 26, 2006 | 11:57 PM
  #2  
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From: Philly,PA
very nice, crossin the traps right at the top of 4th
Old Oct 27, 2006 | 05:15 AM
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From: Mt Prospect IL
Dude I trap 106 with an A4 on yok 255 street tires that i got for $30 a piece and full exhaust. I have A LT1 with shortys no cat flow 3 inch, 160 stat, CAI, and a comp 305 cam with no tune. you should trap higher than that.
Old Oct 27, 2006 | 05:16 AM
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From: Mt Prospect IL
Oh ya stock 130K 10 bolt 3.23
Old Oct 27, 2006 | 08:01 AM
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Man, those are some badass times for a stock internal LT1, and a heavy convertible. Congrats.

You must be shifting that thing hard though. My best with the LE2 setup, I ran a 12.64 @ 111 w/1.92 60', so you are doing even better than I have ever hoped for my vehicle prior to the h/c.

Do you have a complete list of mods? I would love to check it out, maybe Im doing something wrong?

If you now go with a h/c, you'll definatly be in the 11's, no questions asked.

I cant believe though that the 10 bolt with the 4.10's is still holding up. Mine let go on the 6th run of the day...
http://i64.photobucket.com/albums/h1...akingstuff.jpg



Old Oct 27, 2006 | 10:18 AM
  #6  
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^^^YIKES!!!!
Old Oct 27, 2006 | 10:22 AM
  #7  
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From: Central Jersey
Originally Posted by scrmnws6
Man, those are some badass times for a stock internal LT1, and a heavy convertible. Congrats.

You must be shifting that thing hard though. My best with the LE2 setup, I ran a 12.64 @ 111 w/1.92 60', so you are doing even better than I have ever hoped for my vehicle prior to the h/c.

Do you have a complete list of mods? I would love to check it out, maybe Im doing something wrong?

If you now go with a h/c, you'll definatly be in the 11's, no questions asked.

I cant believe though that the 10 bolt with the 4.10's is still holding up. Mine let go on the 6th run of the day...
Pics
Thanks! I think a 111 trap speed is VERY low for your setup, and something may be wrong. Do you have full exhuast and a tune? A friend of mine put down 338rwhp in his 98 t/a with bolt-ons and trapped 111 even at full weight(jack & spare included)

As far as driving the car, the video i posted was probably my worst shifting at the track yet, i usually rip gears alot quicker.

I think with just a cam i could get this old girl into the 11s, and i have the full cam setup minus an electric water pump(i have a cloyes double roller)...cam is a custom grind that should make cc306 power...i figure i need another 70-80 hp to get there and with a cam and the electric wp i could be there with no head work.

as for my rear it's a completely fresh rebuild with a ta girdle to help out a little bit...id like to think itll be fine until i get into the 1.7x area

edit: forgot to add my full mod list is in my sig...and i guess you could add !a/c to that list
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