LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

awful 1/4mile times......getting slower

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Old Apr 10, 2004 | 04:59 AM
  #1  
superadobo808's Avatar
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From: pearl city, HI
awful 1/4mile times......getting slower

I just came back from the track tonight. temp was at around mid 70's humidity was kinda high too. slight head wind. all i did since the last time i went was change my oil. here are my times.

reaction .759
60ft 2.485
1/8 et 9.689
1/8mph 78.38
1/4et 14.844
1/4mph 95.74

that was the best out of 4 runs of the night. the slowest time was an embarassing 15.2@94mph. wtf, i just went 2 weeks ago and i had a best of 14.3@98. what gives? tire pressure was at 20psi on the 15.2 run and at 30 for the 14.8 run. as far as i know, everything else was the same, i went tonight because i thought i could get my 60ft time down and hopefully get into the 13's. i know my 60ft time sucks but i had a best of 14.3 with a 2.3 60ft time. im stumped. weird things happend tonight. for instance, my column lights (prnodd21) didn't come on when i turned my parking lights on. then i turn off the car, turn it back on and poof, the lights come on. then my front headlight goes out. also, for some reason, while driving home, my ses light came on, so i pulled to the side of the road, turned off the car, and started it back up. the light never came back on. i wasn't hot rodding or anything, just driving at the speed limit.
Old Apr 10, 2004 | 05:18 AM
  #2  
texasTA's Avatar
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From: Frisco TEXAS
Man, your MPH are WAY down. Should be in the upper 90s with intake, !CAT. But your 60 foot time has a ton of improving. Good luck and keep practicing.
Old Apr 10, 2004 | 05:25 AM
  #3  
Tair's Avatar
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Posts: 839
From: Honolulu, HI
WOW adobo, I'm from east honolulu and I run 14.3@98mph as my best too! Do you have 2.73's or 3.23's? I also consistently cut around 2.3x 60's. HRP is pretty crappy, and the best I've got has been a 2.1x 60. But that was just a fluke. I'll tell you personally that the BEST mod I've done so far has been the SLP manual fan switch. After all, what's the use if you run 13's once or twice but you can't repeat it all night long? After installing this my ET's were MUCH more consistent, regardless of the weather. I used to have ET's anywhere from 14.6 to 14.9 when I was stock, but the manual fan switch kept the range to about 14.6 to 14.7, and my mph were much more consistent too! PM me if u got any Q's or if u just wanna chat.
Old Apr 10, 2004 | 05:38 AM
  #4  
96WhiteZ28's Avatar
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From: Queens, NY
my 94 formula ran a 14.4 at 102 mph stock with a hesitation when i punch the trottle with 55ish temperature and humidity i'm not sure about..
Old Apr 10, 2004 | 05:45 AM
  #5  
texasTA's Avatar
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From: Frisco TEXAS
Originally posted by 96WhiteZ28
my 94 formula ran a 14.4 at 102 mph stock with a hesitation when i punch the trottle with 55ish temperature and humidity i'm not sure about..
You are saying your car ran 102 mph on a COMPLETLY stock a4 LT1 car? Were you spinning like a **** at the line?
Old Apr 11, 2004 | 04:28 AM
  #6  
superadobo808's Avatar
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From: pearl city, HI
hey there tair, where on the east side do you live? i think S.J.S. and some other guys here on the board are thinking of going to the track next weekend. probably on saturday sometime. pm me or something and we can all go.
Old Apr 11, 2004 | 02:43 PM
  #7  
96lt1Camaro's Avatar
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From: San Diego CA
Originally posted by 96WhiteZ28
my 94 formula ran a 14.4 at 102 mph stock with a hesitation when i punch the trottle with 55ish temperature and humidity i'm not sure about..
that does not sound right . your mph should be around 98-99. i ran 13.7@102. But maybe no traction caused you to gained time
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