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

Header ET drop What did you Get???

Old 07-13-2006, 11:47 PM
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Default Header ET drop What did you Get???

Just wondering.

How much time did ya guys drop when you put headers or your cars?

I have heard some crazy numbers on here. I was just wondering wheather it was true or not.

I've heard up to .6 off
Old 07-14-2006, 12:12 AM
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Back in the day, with a stock LT1, besides a CAI, I dropped .2 tenths and gained 2 mph with my MAC headers.
Old 07-14-2006, 12:16 AM
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.6 seems kinda drastic
Old 07-14-2006, 12:17 AM
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I droped 7 tenths and gained almost 6mph from my pacesetter longtubes and off road Y with a camaroz28 tune and cutout. My car could easily be in the 12's with some traction, current best is 13.2 at 107 with a 2.1 60ft
Old 07-14-2006, 12:33 AM
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What else you got done, I hope to push mid-12's with mine when I put the Pace Setter Racing LT's with the Y-pipe on.
Old 07-14-2006, 12:37 AM
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Originally Posted by the_merv
What else you got done, I hope to push mid-12's with mine when I put the Pace Setter Racing LT's with the Y-pipe on.
Yeah when I get mine in I should be dead low 13's BEFORE the stall, N20 and possible cam.

Went 13.8@100 with a 2.2 60
Have E.T. streets and pro stars now to fix that 60.

Headers help a bunch considering LT1's don't breath on the top end.
Old 07-14-2006, 12:48 AM
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I ran a 13.89@100 with just a K@N Filter, and a Slowmaster. Stock everything else, and some shitty tires. Alot of people said that there's alot of potential there..so I hope it will be quick...
Old 07-14-2006, 12:53 AM
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1.)275/40/17 hankook k104
2.)160 degree stat
3.)Mad z28 Tune
4.) Pacesetter long tube
5.) Off road Y pipe
6.) Electronic cutout
7.) SLP clutch
8.) Airlift air Bag
9.)BMR Adjustable torque Arm set at -3
10.)Throttle body bypass
11.) Cold air intake with K&N filter
12.)Raptor shift light

I have just installed bmr relo brackets. also but havent been back to the track to test yet. As you can see none of my suspension mods have helped me with the 60ft. I was gunna get et streets but my posi is officialy hosed. I finished braking it doing that 2.1 60ft.lol If i got a 1.9 60ft my car would be 12.8-12.9 all day i got enough mph for it and when i stripped my interior i was trapping high 108 almost 109, too bad i couldn't hook anymore. My car is a M6 and ran a 13.9 at 102 when i got it.
Old 07-14-2006, 12:57 AM
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.4 off and lost 2mph.
Old 07-14-2006, 09:31 PM
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three tenths and three mph here with hooker long tubes, and only a cai droped from a 13.8 @ 99.XX to a 13.5 @ 102.XX with the same 60'
Old 07-14-2006, 09:33 PM
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Originally Posted by Speed Density
Looking to be the Quickest and Fastest LT1 in Idaho.

so how is your car coming along anyway? and when do you plan on running 9's?
Old 07-14-2006, 09:35 PM
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Its a Secret!

Youll never know.

PMed you.
Old 07-14-2006, 10:30 PM
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I gained 4 mph. Went from trapping 99 to 103 - those are without powershifting. I trap 105.5 powershifting.
Old 07-15-2006, 09:37 AM
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Went from best of 13.71 to 12.99 and MPH 100.22 to 105.09
Old 07-15-2006, 01:11 PM
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look in sig VV
Old 07-15-2006, 02:22 PM
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Originally Posted by coldkillinTA
look in sig VV
Yous sig is way too stretched out.
Old 07-15-2006, 11:57 PM
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Looks right to me.
Old 07-16-2006, 08:49 AM
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13.9@99mph to 13.3@103mph with LT's/ORY/Catback....
Old 07-16-2006, 08:54 AM
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That's a nice little jump..lol


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