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5th gear dragracing?

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Old Jul 14, 2008 | 12:03 PM
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Default 5th gear dragracing?
Is it ok to use 5th gear dragracing? I running out of rpms with 4.10s
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Old Jul 14, 2008 | 12:46 PM
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I don't see why not if you're hitting the rev limiter in 4th...
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Old Jul 14, 2008 | 02:13 PM
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I've done it my car for a few years now with no problems, other than the lost ET due to the extra shift.
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Old Jul 14, 2008 | 04:14 PM
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gotta be an L98, right?
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Old Jul 14, 2008 | 08:50 PM
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No lt4 running low 12. I know with nitrous I will run out of rpm
Last edited by RRRR; Jul 14, 2008 at 09:02 PM.
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Old Jul 14, 2008 | 10:11 PM
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Originally Posted by RRRR
No lt4 running low 12. I know with nitrous I will run out of rpm
I've trapped 125mph on my LT4 with 4.10s. I don't recommend it...it's turning pretty hard at that speed, but if you are running low 12's, your trap speeds are probably 115-117, which isn't too bad. Get your rev limiter raised a bit. Mine is set at 6,800.
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Old Jul 14, 2008 | 10:37 PM
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The rev limit is 6400 ish its all hot cam lt4 valve train so I don't know if I could spin it that high. trapping 114
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Old Jul 15, 2008 | 12:56 PM
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Just check your valve spring pressures and make sure they are up to snuff and you're good to go.
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