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Old Jun 7, 2007 | 10:37 PM
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dave70's Avatar
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From: Thibodaux Louisiana
Default Hey Guys Need Some Help

I went to the track last night.My previous best was 13.750@103.33 with a 2.146 60'.That was with a lid and a loudmouth catback on 275/40/17 street tires and it dynoed at 317/330. Then i added a 228/224 cam,LS6 intake,ported TB,FTRA pacesetter LT's TSP ORY and 4.10 gears with 315 BFG DR'sand it dynoed at 380/370. it was tuned but the tuner said he could not get it dead on because i had open headers.Last night i ran a 13.104@110.50 with a 2.073 60'. Although it was tuned it still runs like crap. Surges,wants to kill every time i come to a stop and runs pig rich,so rich you can see the exhaust fumes.Any ideas why i didn't pick up any more? Is my trap speed and ET on par? To me the ET seems low for the trap. Oh the clutch is still the 114,xxx mile stocker and the DR's had about 20# with a med. burnout.
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Old Jun 8, 2007 | 07:11 AM
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From: Gainesville, Florida # of drag strips runs: ?!?!?
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I'm no manual trans expert but I think you should be in the 12's at least with those mods. The tune definately is not right if you're experiencing the symptoms you've described, and the car should have more trap speed for those dyno #s IMO. The 60 foot should/could also be a bit better. Is the stock clutch slipping? Are you powershifting? I think there's more left on the table.

Derek
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Old Jun 8, 2007 | 07:48 AM
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From: Bloomington, IL.
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There's more there. With just a cat-back and air box lid I ran a best of 13.3 @ 107 I think. Been a couple years though. When I went to the track with the same mods you did, my clutch went out from slipping her a little to get off the line and ran a 12.9. Chattered like a mother taking off after that! Figured it was best to drive the car home than to make another pass and have to haul it 2 hours.

I know after my tune mine would just about die after backing up a short distance. My cam is about the same size....just think it wasn't the best quality of tune. Just be prepared for a bad clutch considering your mileage. Mine had about 16K when I replaced it.
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Old Jun 8, 2007 | 08:03 PM
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Well i didn't smell the clutch but it was giving me problems all night or it was the trans i'm not sure but it gave me hell shifting at 6600 it didn't grind just didn't want to go in gear.
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