LS1TECH - Camaro and Firebird Forum Discussion

trap speed and et?

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Old Oct 8, 2008 | 11:25 AM
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From: hamilton nj
Default trap speed and et?
ok so went to the track last night first time with 100 shot and the car ran strong and the mph was really good 111.94 but the et was only 13.2 which isnt even the best the cars done b4 the nitrous. the 13.1 was done along time ago and the cars lost some power obviously cuz it has 160k miles. but it always runs between 13.5-13.9@about 100-104. so y did i go 111.94 and only 13.2?
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Old Oct 8, 2008 | 11:30 AM
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From: hamilton nj
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lik Dadsz28 was there last night as well trapped 112 and went 12.0. his 60' was .3 better then mine but that isnt all the difference
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Old Oct 8, 2008 | 11:31 AM
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Could be wheel spin at the line. Maybe you need better tires. I know thats what kills me. I've only ran my car once, and got 14.2 at 114mph.
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Old Oct 8, 2008 | 01:01 PM
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ET is directly affected by traction and does not have a direct correlation to trap speed. Trap speed is a direct correlation between weight and power, traction affects it very little. You are on par with your runs, without seeing the 60'.
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Old Oct 8, 2008 | 03:37 PM
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From: hamilton nj
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so if i was to run that 1.7 60' id hav a decent 12 second run?
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Old Oct 8, 2008 | 05:26 PM
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What was the 60' on that run?
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Old Oct 8, 2008 | 08:37 PM
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Do you have a stall or gears?

Your mph will go up with wheelspin, but your ET will suffer
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Old Oct 8, 2008 | 09:23 PM
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on the 13.2 run the 60 was 2.2 but on the last run that i messed up on the 60 was a decent 2.0
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Old Oct 9, 2008 | 07:43 AM
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general rule of thumb, for every tenth you knock off you 60' you will take 2 tenths off your et. MPH will be about the same. This is how it worked for me.
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Old Oct 9, 2008 | 09:58 AM
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2.2 is horrible 60' for you, get some drag radials and get it into a 1.7 or 1.8, is it a auto or stick?
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Old Oct 9, 2008 | 11:50 AM
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From: hamilton nj
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its a stick im gonna try and get some 255 mickey thompson et street if i hav enough left after a new clutch and flywheel then hopefully i can get some good 60'
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