LT1-LT4 Modifications 1993-97 Gen II Small Block V8

93 Z28 Bolt-on Track Results

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Old 11-14-2010, 11:10 AM
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Default 93 Z28 Bolt-on Track Results

I've had my 93 6-speed 128K Camaro for about a year now and finally have it about where I want it. I fully rebuilt the suspension along with Strano springs and bilsteins, put on LS1 brakes, and did a whole tune-up with a few bolt ons. Ran into a bunch of issues along the way, but it's been a great experience.

Ran the drag strip yesterday and ran a best ET and trap of:

2.05 60'
13.57 ET
103.95 MPH

2.01 60'
13.63 ET
105.53 MPH

Only mods are:
Pacesetter longtubes
Magnaflow catback
LPE Intake
Madtuner mail-order tune

I don't know the DA but it was at low elevation and about 70 degrees. It consistently hit 13.5-13.6 and 103+, and I'm pretty happy with it. I'd like to get the 60' down and get to 13.3ish, but when I launched any harder it completely lost traction (worn 275/40/18 street tires). Maybe I'll try drag radials next year, but the 10 bolt is already making some noise.

Does anyone know what 60' times I should be shooting for at this power level?
Old 11-14-2010, 11:33 AM
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Great times, the 60fts are hurting you, I always had an auto when I was bolt ons, but my 60fts were in the 1.7 range with drag radials and the stock 3.23s
Old 11-14-2010, 01:40 PM
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def jus work on the 60ft's and ull be in business. good times tho man!
Old 11-14-2010, 05:08 PM
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Work on the 60', you should run mid 12's with that trap speed with a 1.7x 60'
Old 11-14-2010, 06:10 PM
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What track were you at and what time of day were each of the passes? I can find out the da for you.
Old 11-14-2010, 07:06 PM
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Kil Kare in Xenia, OH around 3pm.
Old 11-14-2010, 07:34 PM
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Originally Posted by lt1-xjs
Work on the 60', you should run mid 12's with that trap speed with a 1.7x 60'
it sure will. leaving easy on a drag radial will get u there
Old 11-14-2010, 09:02 PM
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Originally Posted by Travis Johnson
Kil Kare in Xenia, OH around 3pm.
It was around 70.5 degrees, 36%humidity, and the barometer was 30.01 inches. The track is 910 feet above sea level and the DA at that time was 1883 feet, which is marginal. Your best run was a 13.57 at 103.95 which would be corrected to:

13.279 at 106.285mph
Old 11-17-2010, 10:53 PM
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strong #'s. Never seen a bolt on LT1 do anything like that where I am.
Old 11-17-2010, 11:24 PM
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Kansas must be a small place
Old 11-17-2010, 11:28 PM
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most guys I've seen at the local drag strip run ls1s. last time I was out there I was the only LT1 car & there were 10 Ls1s
Old 11-19-2010, 09:32 AM
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Thats what i hoping to do this year but a well used stock clutch with m/t et streets killed it. The engine is stock untouched with 220k miles which is very high but runs like a top and was impressed with what it did and a ton of room to grow with better launch technique and new clutch. Unfortunatly next time around it will be with my new built motor going in.

1994 Trans Am M6

Long Tubes
Catted Y
Borla Catback
10 bolt - 4.10s
mt et street bias plys

KYB AGX rears and stock springs
tq arm
lcas
upper and lower phb
25mm swaybar

I was running consistant 13.8-9s with a shitty 2.1-2.2 60' @ 102mph
Old 11-19-2010, 09:52 AM
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I finshed the Year out with a 13.6 @ 99.xx mph.

3500stall converter
Manual cutout
3.23 gears
ls1 lid
2.01 60'

Your 13.8 couldve been with crappy DA.

Think my car bested a corrected time of 13.4.

to the OP, deffinetly get some drag radials. I reccomend ET streets! i ran nittos and we just didnt cooperate.
Old 11-20-2010, 11:03 AM
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Originally Posted by carguyshu
strong #'s. Never seen a bolt on LT1 do anything like that where I am.
you must be new to the midwest then. plenty of guys in ks/mo run low 13's to high 11's with bolt on lt1's
Old 11-20-2010, 11:20 AM
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I've been here for 25 years & when Heartland Park did test n tune every week I went 90% of weeks. You show me an 11 sec bolt on LT1 & I'll show you that I got a 4 ft ***** (a 4 ft ***** is a lot more likely)
Old 11-20-2010, 11:43 AM
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11's w/ bolt on's? Where is this magical creature
Old 11-20-2010, 11:49 AM
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Originally Posted by Young camaro
11's w/ bolt on's? Where is this magical creature
There are a few of them.

Its more about the bolt-offs then the bolt-ons.
Old 11-20-2010, 12:00 PM
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I guess if you count nitrous as a bolt on........
Old 11-20-2010, 02:00 PM
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i had one but sold it at the end of last season. yes it was 2950 w/o me in it. There are only 5 guys around here that rep the lt1 nowadays. everyone has gone to the ls based motors. only current example i can show you is a locals 12.60's with just gear, bolt on's, stock weight. the guy doesnt even have 1.6's. the valve covers have never been off teh car. he is going le2 over the winter so then there wont be any bolt on car's around here. If u went out on weekends or to the local yearly f-body/mustang meet you would have seen these bolt on car's tearing up the street
Old 11-20-2010, 02:00 PM
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Originally Posted by Young camaro
11's w/ bolt on's? Where is this magical creature
obviously your new to the ltx game


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