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Old 07-22-2012, 08:29 PM   #1
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Not happy with my times! can you help?

I went to my local track for the first time on my new set up and I am not happy with what it ran. Its an lt1 bored to a 355, cc503, heads are ported with bigger valves, ported intake, cutout and all other bolts ons. Stock rear with 3.42s. Tires are 275/40/17 street tires(I think there riken raptors). Check engine light came on as soon as I got to the track for a p1133 code(o2 sensor b1 sensor 1 insufficent switchs). My best was a 13.5 at 107.5 with a 2.2 60 foot. What's going wrong?
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97ss 355 forged scat rods,forged mahle pistons,ported and polished heads with bigger valves, cc503, ported intake,58mm tb,svo red tops,walbro 255,pcmforless,otvc msd 8.5,msd coil,mallory 685,lts,ory,cutout,magnaflow,founders lca relo,lca,phb,sc,agx,eibachs
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Old 07-23-2012, 05:20 AM   #2
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Re: Not happy with my times! can you help?

What is the elevation of the track? What were the weather conditions - air temp, humidity and barometer? What fuel were you running?
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Old 07-23-2012, 05:13 PM   #3
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Re: Not happy with my times! can you help?

Temps were mid 70s not too humid. Elevation I don't have a clue lol my local track is englishtown raceway park. I run sunoco 93
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97ss 355 forged scat rods,forged mahle pistons,ported and polished heads with bigger valves, cc503, ported intake,58mm tb,svo red tops,walbro 255,pcmforless,otvc msd 8.5,msd coil,mallory 685,lts,ory,cutout,magnaflow,founders lca relo,lca,phb,sc,agx,eibachs
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Old 07-24-2012, 10:37 AM   #4
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Re: Not happy with my times! can you help?

Quote:
Originally Posted by meangreenchevy View Post
My best was a 13.5 at 107.5 with a 2.2 60 foot.
Theres your problem. You've got the MPH for mid 12's but you have no traction. Put some good tires on it.
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Old 07-24-2012, 12:44 PM   #5
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Re: Not happy with my times! can you help?

I want to get a set of hoosier quick time pros but I'm scared of the stock 10 bolt. I was gonna get a set and go towards the end of the season with the drag radials and launch at about 4k and hope the rear holds for 1 pass
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97ss 355 forged scat rods,forged mahle pistons,ported and polished heads with bigger valves, cc503, ported intake,58mm tb,svo red tops,walbro 255,pcmforless,otvc msd 8.5,msd coil,mallory 685,lts,ory,cutout,magnaflow,founders lca relo,lca,phb,sc,agx,eibachs
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Old 07-24-2012, 04:48 PM   #6
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Re: Not happy with my times! can you help?

You might find more traction at Atco.
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Old 07-24-2012, 06:06 PM   #7
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Re: Not happy with my times! can you help?

Atco is a better track I here but a little far for me
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Old 07-24-2012, 06:30 PM   #8
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Re: Not happy with my times! can you help?

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Atco is a better track I here but a little far for me
I recently moved to SW florida. Closest track is an hour and not open a whole bunch. Next closest is 2 hours, then 3.5. I'm planning to race in NC over Thanksgiving...that's a 13-14 hour one way haul.

Atco is worth the drive.
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Old 07-28-2012, 06:19 PM   #9
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Re: Not happy with my times! can you help?

Is it an A4? or M6?

With an A4 you don't have to worry about the rear end as much.

Get some DR's the sticky Mickeys work well.
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Old 07-29-2012, 07:30 AM   #10
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Re: Not happy with my times! can you help?

Its an m6 and we all know what happens with a sticky tire an m6 and a stock reat
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Old 07-29-2012, 10:49 AM   #11
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Re: Not happy with my times! can you help?

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Its an m6 and we all know what happens with a sticky tire an m6 and a stock reat
Only if you drop the hammer at 3,000rpm+
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Old 10-18-2012, 09:42 PM   #12
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Re: Not happy with my times! can you help?

60' is a killer.

I am 2.12-2.14 bone stock with goodyear street tires.
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Old 11-27-2012, 09:34 AM   #13
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Re: Not happy with my times! can you help?

Get a decent set of drag radials and give it hell. I was leaving the line at 5500 rpm with 450 rwhp on a 7.5 ten bolt moser axles, 4.56 gears and mt et streets. Never broke.
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Old 04-27-2014, 05:35 AM   #14
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Re: Not happy with my times! can you help?

Please don't respond to that post I know what that meens and I have a M-6.
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Old 08-01-2014, 07:32 PM   #15
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Re: Not happy with my times! can you help?

Everyone is getting caught up on the 60' time. You can have a bad launch and still MPH the **** out of a run.

Quite frankly, I think his MPH is pretty low for a heads,cam,bolt ons, tune car. He should be in the 108-112MPH range. I suspect the car is running poorly with it setting an O2 code. Never wrenched on a car yet that had a bad O2 sensor and didn't get poor power, horrendous mileage, etc.

Your Air/Fuel mixture is probably pretty out of whack with a bad O2 sensor. Don't waste your time with a Bosch unit. They suck. Stick with AC Dildo.

And everyone that is going to say that at WOT, it bypasses the O2's ... yes. It sure does. But the severely split BLM's it probably has now, is what it corrects the WOT fuel trims from. So the mixture is still wrong.

Fix it, get it to stop setting codes. Replace both O2's with AC Delco's. And maybe try launching it a little harder on a stickier tire.

My $0.02's
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Old 08-01-2014, 07:32 PM
 
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