disapointment at the track !!!!!!!!!!!!!!!

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Old Jul 5, 2009 | 02:16 AM
  #21  
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thanx alot everyone this is alot of helpful information
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Old Jul 5, 2009 | 02:23 AM
  #22  
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the bog= not enough gears 6speed should have = 4.10 gears, heater bank 1 sensor 1 and bank 2 sensor 2 are your o2 sensors bank 1 is the side where cylinder 1 is. gm is usually even and odd sides so bank 1 cylinder 1 is on the driver side bank 2 is passenger side sensor 1 means before the catalytic converter and sensor 2 means after the catalytic converter.

so you driver side upstream o2 and your passenger side downstream o2. and you need higher gears.
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Old Jul 5, 2009 | 02:30 AM
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if you switch to 4.10s you will need to go with a 28 inch tire
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Old Jul 5, 2009 | 11:32 AM
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I have 4.11s in my 6 speed car w/ the same cam and I roll through the traps @ ~6500 in 4th gear on a 26" ET Drag. I don't think he would need a 28" tire.

I do have to feather the clutch on the launch to prevent bogging as well. One reason I'm swapping to a custom grind w/ more bottom end and adding a little nitrous to get it off the line. What were your 60' times?
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Old Jul 5, 2009 | 11:38 AM
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Originally Posted by TXMaro
I have 4.11s in my 6 speed car w/ the same cam and I roll through the traps @ ~6500 in 4th gear on a 26" ET Drag. I don't think he would need a 28" tire.

I do have to feather the clutch on the launch to prevent bogging as well. One reason I'm swapping to a custom grind w/ more bottom end and adding a little nitrous to get it off the line. What were your 60' times?
He was asking about the tire when he's on nitrous. He will need a taller tire on nitrous.
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Old Jul 5, 2009 | 11:39 AM
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Originally Posted by TXMaro
I have 4.11s in my 6 speed car w/ the same cam and I roll through the traps @ ~6500 in 4th gear on a 26" ET Drag. I don't think he would need a 28" tire.

I do have to feather the clutch on the launch to prevent bogging as well. One reason I'm swapping to a custom grind w/ more bottom end and adding a little nitrous to get it off the line. What were your 60' times?

60' times where 1.7 1.8s all nite long
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Old Jul 5, 2009 | 01:50 PM
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Originally Posted by ls1_sw
also i have a service light on i ran the scanner threw it and the code its throwing is (heater performance bank 1 sensor 1 and bank 2 sensor 2) anyone no what that is?? would that cause the bogg????
Your front O2 sensors need replaced.
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Old Jul 5, 2009 | 03:10 PM
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Originally Posted by DeerHunter_Z28
He was asking about the tire when he's on nitrous. He will need a taller tire on nitrous.
Possibly... I would try it first before spending the money on tires you may not need.

Originally Posted by ls1_sw
60' times where 1.7 1.8s all nite long
My 60' on a 11.78 was 1.78, with a best 60' of the night being a 1.71. I think I could have got a high 1.6x out of it with a better launch and a clutch that would hold the dump I would like to do. I was only doing a 4k dump w/ feathering... so I don't think you're too far off on motor.
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Old Jul 5, 2009 | 07:42 PM
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Originally Posted by DarkblueTA
Your front O2 sensors need replaced.

02 sensors need to be replaced????? when i got my car tuned the tuner said he eliminated all 4 .02 sensors...............
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Old Jul 5, 2009 | 07:44 PM
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Originally Posted by TXMaro
I have 4.11s in my 6 speed car w/ the same cam and I roll through the traps @ ~6500 in 4th gear on a 26" ET Drag. I don't think he would need a 28" tire.

I do have to feather the clutch on the launch to prevent bogging as well. One reason I'm swapping to a custom grind w/ more bottom end and adding a little nitrous to get it off the line. What were your 60' times?
b4 i installed the cam i was running 12.40s all nite cutting 1.7's all nite as well, on 16in et streets with NOO bogg dumping the clutch at 4500
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Old Jul 5, 2009 | 08:15 PM
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Originally Posted by ls1_sw
02 sensors need to be replaced????? when i got my car tuned the tuner said he eliminated all 4 .02 sensors...............
most tuners delete the rears. if he deleted all 4 then how would ur car be able to tell if ur running lean or rich? I know the shop that u tuned it at uses the o2s on ur car for tuning so i doubt he deleted all of them.

as for ur bog u might want to try ur et streets and dump it at 5-5500 and see how it does. also u can try putting 20 psi in the et drags and drop it a psi at a time till you start bogging then bump it back up to the psi right b4 u bogged.
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Old Jul 6, 2009 | 10:30 AM
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What clutch do u have?
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Old Jul 6, 2009 | 10:33 AM
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The only way he could have deleted all 4 o2's is if you're running a true speed density tune. Are you still running a MAF? But it does sound like you have a o2/tune issue.
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Old Jul 6, 2009 | 10:53 AM
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Put 4.10 gears in it and a 26 inch tall tire with 14 lbs. of air cold and dump the clutch at 6000 rpm and then post back.
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Old Jul 6, 2009 | 01:08 PM
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Originally Posted by U LUZ
Put 4.10 gears in it and a 26 inch tall tire with 14 lbs. of air cold and dump the clutch at 6000 rpm and then post back.
make sure it's in the gears/axles section with the pictures of broken pieces
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Old Jul 6, 2009 | 02:21 PM
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I dont think you need gears or nitrous...If you have an aftermarket clutch i would try slipping it out the whole instead of just a straight dump...Unless you have a Spec 5 and a 9 inch your drivetrain isnt gonna last long dumping at 4500. ESPECIALLY if youre dead hooking. Try a slip I dont think hgears or tires are your issue. ALthough a BFG drag radial would be more than sufficient for your setup
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Old Jul 6, 2009 | 05:37 PM
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put an automatic in it, then put it in neutral- rev it up to 6000 then put in Drive!!! youll cut some low 60' brah!!
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Old Jul 6, 2009 | 06:05 PM
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Originally Posted by 1_bad94Camaro
most tuners delete the rears. if he deleted all 4 then how would ur car be able to tell if ur running lean or rich? I know the shop that u tuned it at uses the o2s on ur car for tuning so i doubt he deleted all of them.
You tune in open loop using a wideband, not the O2 sensors. Many people run their cars full time in open loop. That being said, I doubt the shop would leave him with an open loop tune since the afr would need to be monitored regularly.

Originally Posted by TXMaro
The only way he could have deleted all 4 o2's is if you're running a true speed density tune. Are you still running a MAF? But it does sound like you have a o2/tune issue.
You dont have to have a speed density tune to run in open loop.
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Old Jul 6, 2009 | 06:06 PM
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Originally Posted by Duffster
make sure it's in the gears/axles section with the pictures of broken pieces
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Old Jul 6, 2009 | 07:01 PM
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Replace your front 02's with new ones and I bet it will run much better. More gear wouldn't hurt but if the car was tuned using the front 02 sensors and they are not working right its gonna run like ****. The computer uses a combo of the MAF and the front 02s to determine how much fuel to deliver, so if they aren't working it will just dump a bunch of fuel to keep the motor safe. Good Luck
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