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BMW 3-Series (E90 E92) Forum
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1/4 mile time slightly disapointed
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07-11-2007, 03:49 PM | #1 |
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1/4 mile time slightly disapointed
took a drive to nappierville dragway in quebec for so fun.i was able to get 2 runs before the rain started.needless to say i wasn't to impressed with my
1/4 mile times. 1st run rt .350 60' 2.173 1/8 8.923 1/4 13.733 mph 102.273 2nd run rt .216 60' 2.286 1/8 8.970 1/4 13.628 mph 109.375 the only mod i have is procede everything else is stock any thoughts on how to improve thanks again |
07-11-2007, 04:09 PM | #10 |
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no way, not with the proceed, well he could if he feathered the hell out of it
3k is what i launch on stock w/ a lot of feathering, also, ignore the stupid light and when you feel like it leave your engine revved @ about 1k, then when you launch bump it up to 3k and feather it right as it reaches 3k (without letting off the throttle) this gives you a little turbo spool that you wouldnt have if your just holding revs @ xk and then letting out the clutch you should be able to get atleast 13.5 stock, so with proceed... |
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07-11-2007, 04:12 PM | #11 |
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What were u doing on the first run or is the 102mph trap a typo? As was already mentioned I'd be less concerned about ET as that is really experience of the driver...trap speed should be your concern and 109mph is pretty strong. I have a 6MT on stock run flats and gettin out of the hole is tough...you really have to feather the clutch and play with it but the sweet spot should be somewhere around 3,000 RPM's.
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07-11-2007, 04:25 PM | #12 |
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What was the temperature that day? Any humidity? What elevation were you at? Tire pressure settings? How much drag racing experience do you have? There's a lot of small factors that could contribute to your time slips.
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07-11-2007, 04:28 PM | #13 |
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why is there is a 7 MPH trap speed difference between the two runs?
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'04 Pontiac GTO....stock 13.5 @ 103 MPH
'95 Mustang GT....novi 2k, 327", blah blah blah 569 RWHP '02 Elantra....daily driver '06 Sonata....wife's daily driver |
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07-11-2007, 04:31 PM | #14 |
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Automatic cars appear to run quicker since it's so much easier to launch.
Only thing you can do is get wider 255-275's stickier tires since your stock 17" are way too narrow for all your torque. How many 360-380 tq. cars you know with 225 tires do well at the strip? |
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07-11-2007, 04:39 PM | #17 |
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temperature was 36 celcius humidity was 100percent
the rear tires were 245 maybe a little more practice and i would hit low 13. i had also mentionned that an auto 335 ran 14.03 it seems a little slow as for the trap speed pf 102 it is correct that was my first run shifting at red line and i noticed the gar bogging everytime i would shift second run shifting at 6000rpm and the would bolt forward |
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07-11-2007, 05:02 PM | #18 |
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You need to get below a 2second 60ft.
And if you don't know already, you need to short shift each gear around 6300 rpm, don't go to redline. I can consistently get 1.9 60' times. The short shifting shaves a .3 or .4 seconds compared to going to redline as well. |
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07-11-2007, 05:08 PM | #20 | |
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Quote:
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07-11-2007, 05:13 PM | #21 |
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my second run i short shifted maybe that explains the higher trap speed
and the next time i hit the track and if my diet goes as planned i will be 5 pounds lighter and will hit a better et thanks again |
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