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

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Old May 31, 2010 | 11:28 AM
  #21  
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Just hit me up man. It'd be interesting to see what the car puts down also.
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Old May 31, 2010 | 01:57 PM
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I thought my 94 Firehawk was slow this weekend and still do. My best time was a12.38 @ 109 with a 1.79 60'. I ran consistant 12.40 and .41s I've been tuning this OBD1 for 5 days. Using Tunercat I can't get it to richen at idle (17.5:1) and WOT at 14.7 with the MASS connected open or closed loop. Without the mass it idles at 14.7 part throttle down to 11.5 and wot at 13.5-14.87. I'm running 60# Dekkas running at 27% duty cycle. This is a fresh built 383 12.5-1 motor with a 700r4 full manual and a 3500 stall. I fully believed I'd be into The mid 11s on the motor and 10s with a 150 shot. I'm sure my tuning is the problem. Does anyone have a base tune I can work with? I had a bad NOS feed line so I couldn't use it. Without the mass running lean I got the 12.40s and with I ran 12.8s
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Old May 31, 2010 | 02:25 PM
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Originally Posted by marc97taws6
Just hit me up man. It'd be interesting to see what the car puts down also.
sounds good man Ill send ya a PM when we make more concrete plans
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Old May 31, 2010 | 09:54 PM
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Originally Posted by MasterTomos
sounds good man Ill send ya a PM when we make more concrete plans
Might especially want one sooner than later because I think I am going to cam her too
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Old May 31, 2010 | 10:18 PM
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Originally Posted by Wildbill040
I thought my 94 Firehawk was slow this weekend and still do. My best time was a12.38 @ 109 with a 1.79 60'. I ran consistant 12.40 and .41s I've been tuning this OBD1 for 5 days. Using Tunercat I can't get it to richen at idle (17.5:1) and WOT at 14.7 with the MASS connected open or closed loop. Without the mass it idles at 14.7 part throttle down to 11.5 and wot at 13.5-14.87. I'm running 60# Dekkas running at 27% duty cycle. This is a fresh built 383 12.5-1 motor with a 700r4 full manual and a 3500 stall. I fully believed I'd be into The mid 11s on the motor and 10s with a 150 shot. I'm sure my tuning is the problem. Does anyone have a base tune I can work with? I had a bad NOS feed line so I couldn't use it. Without the mass running lean I got the 12.40s and with I ran 12.8s
Make a Thread and I'm sure someone will help you...
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Old Jun 1, 2010 | 08:24 AM
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Impressive numbers. Did you get a vid??
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Old Jun 1, 2010 | 09:28 AM
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Originally Posted by gmman200
Impressive numbers. Did you get a vid??
Thanls. A couple people have vids. Its just getting them to post it up onto youtube or here. Lol
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Old Jun 1, 2010 | 08:15 PM
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good time for your mods.
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Old Jun 2, 2010 | 11:32 AM
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how much dose your car weigh??? or what all have you taken out of the car???
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Old Jun 2, 2010 | 11:48 AM
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Originally Posted by kash13
how much dose your car weigh??? or what all have you taken out of the car???
The car is full weight minus the spare tire. I also had a lot of junk in the trunk that probably added that weight back though lol

We are going to make a few more runs untuned to get that 12 second slip as it sits. Planning on adding a cam and a small shot and a dynotune at Speedinc
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Old Jun 14, 2010 | 05:38 AM
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the car is damn strong, its glad to see a car damn well near stock running that good of a time. just a imagine what heads/cam will do to that thing. low 12 second car then spray that bizzznatch and run low 11's you be kickin my *** daily lol haha oh well this ls1 would be honored to lose to your lt1 any day marcus
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Old Jun 14, 2010 | 09:49 AM
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Originally Posted by Mightymike2000ss
the car is damn strong, its glad to see a car damn well near stock running that good of a time. just a imagine what heads/cam will do to that thing. low 12 second car then spray that bizzznatch and run low 11's you be kickin my *** daily lol haha oh well this ls1 would be honored to lose to your lt1 any day marcus
Haha still looking at buying a C5/C6 and keeping the Trans Am.

We'll see how my immediate budget likes modding the car more
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Old Jun 14, 2010 | 11:44 AM
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Look like good numbers to me! I bet some 1.6 rockers and spring along with an electric water pump would pick it up some on the top end. That's what i'm recommending to my brother along with some headers as his car pulls hard through the first two gears and then falls off up top.
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