Street Racing & Kill Stories Basic Technical Questions & Advice

LS1 slow up top?

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Old 05-14-2006, 08:32 PM
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My M6 Firehawk bone stock down to the paper filter ran 13.3 @ 107.8 mph with a disgusting 2.23 60 foot. (lack of traction on street tires)

My car loves to be spun and now with all the mods making 420 rwhp N/A it's an absolute beast up top.

This is an LS1 you won't be seeing in your mirror.
Old 05-14-2006, 08:34 PM
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my buddies bone stock a4 traped 109 and ran 12.90's, this was a full weight 02Z28 3.42 car.
Old 05-14-2006, 08:39 PM
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Originally Posted by Sprayed1998
my buddies bone stock a4 traped 109 and ran 12.90's, this was a full weight 02Z28 3.42 car.
Auto's were never available with 3.42 gears. 3.23 were the max.
Old 05-14-2006, 08:52 PM
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It is bone stock modified of course.
Old 05-14-2006, 09:29 PM
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yea im sorry but no stock auto has trapped 109 LOL
Old 05-14-2006, 09:43 PM
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no stock auto has 3.42's
Old 05-15-2006, 12:11 AM
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Maybe you ran a car that's running like mine. I ran a 8.95@81.76 with a 2.15 60ft. completely stock.
Old 05-15-2006, 12:33 AM
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Who knows, im really depressed though, No WAY my setup should only trap 100 mph. But he was dead even w/me from a 20-100 roll (friend's S10). As SOON as I get the carb on it, I will be taking her to the strip
Old 05-15-2006, 02:25 AM
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Originally Posted by Jassick
Maybe you ran a car that's running like mine. I ran a 8.95@81.76 with a 2.15 60ft. completely stock.
That's what my '94 T/A with a muffler ran
Old 05-15-2006, 07:21 AM
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Originally Posted by Stanger88
Not to be a jackass and split hairs, but with a 2.2 vs. his 2.0, could he have managed maybe a 103-104 trap speed? Thats what I think he would need to hang w/me like he did from a roll. Is that possible? He ran 13.611@100.7 w/ a 2.0 60'

look at the Reaction Time. There's your difference!
Old 05-15-2006, 07:45 PM
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Old 05-15-2006, 08:10 PM
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my old ls1 bone stock went ONE 13.8 @ 102mph, then 14's @ 101 or 100mph. i put a thermostat, fan switch, and a lid on it and it went 13.40's @ 104mph consistently.

so yes, they can be pretty slow in stock form,- especially in the 2.73 variety but like said the 215-225*coolant temps i think is the real killer.
Old 05-15-2006, 08:11 PM
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Originally Posted by Stanger88
no stock auto has 3.42's
I'm not sure if you're agreeing or saying that a stock auto has 3.42's.
I'll just chime in to confirm that autos come with either a 2.73 or a 3.23, not
3.42's...just for clarification sake.

My '00 A4 Z28 went 13.67 @ 105mph if I recall correctly. That was 6 years
ago now.
Old 05-15-2006, 08:26 PM
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Originally Posted by GXPPOWER
yea im sorry but no stock auto has trapped 109 LOL
mine did that with just an intake and catback
Old 05-15-2006, 08:56 PM
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Originally Posted by Slow Vette
mine did that with just an intake and catback
That's not stock and your car is lighter than an Fbody....

Also, for a previous poster, reaction time has nothing to do with your ET.
Old 05-16-2006, 07:28 AM
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Originally Posted by Stanger88
I killed that A4 LS1 Z28 00' as listed in my "ate a catfish" post. My friend Joey with his S10 and a 350 hung DEAD with me from 20-105 roll race. THen at the track he ran 13.6@100.7 Do ls1 a4'S trap high 90's or something!?!? Whats the deal!?
Even my "Euro" spec z/28 taps ~102mph, probably 103-4mph is about top in stock TRIM and these are officially rated at 295bhp SAE Net.

Originally Posted by Stanger88
no stock auto has 3.42's
As Unit said stock auto's are 2.73 with GM optional gears of 3.23

If you easily beat one from a roll it may be driver, or their car isn't running right. Or that they went from a dead spot in the gearing. The 3.23 cars seem to suffer dead spots more so than the 2.73 cars due to the speeds that many people street race.

SOTP a LS1 (2.73) will pull really well upto ~120mph, still pull good to 140mph then it's a bit slower from 140mph to the 158mph limiter but it's still pulling, if you remove the speed limiter I feel pretty sure you'd see the high side of 165mph before you completely run out of rpms.
Old 05-16-2006, 01:18 PM
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Originally Posted by Stanger88
All i know is the Z28 saw my tail lights from a 75 punch and my friends S10 was right even with me. Yet my friends S10 trapped 100.7 Trying to figure out wth!?
The LS1 might need a tune-up....and a 75 punch is a dead spot for a stock stalled auto, try going from a 60 roll or a dig.
Old 05-18-2006, 12:21 PM
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I am the s10 owner and figured I would post up. I ran a 13.611 @ 100.7. The breakdown of the slip is as follows:
R/T .006
60' 2.056
330 5.724
1/8 8.746
mph 81.06
1000 11.376
1/4 13.611
mph 100.7

My truck falls on its face after 100 but I would have liked to have a sub-13.5 run. Maybe next time.
Old 05-18-2006, 09:28 PM
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Just thought I'd chime in. Best time is in sig. That was on 245 street tires with a 1.95 60'. I think its a pretty good trap for an A4 w/ 2.73s for the few mods it has.
Old 05-18-2006, 09:39 PM
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Originally Posted by sleeperstyle
my old ls1 bone stock went ONE 13.8 @ 102mph, then 14's @ 101 or 100mph. i put a thermostat, fan switch, and a lid on it and it went 13.40's @ 104mph consistently.

so yes, they can be pretty slow in stock form,- especially in the 2.73 variety but like said the 215-225*coolant temps i think is the real killer.
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