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Forced Induction
Aftermarket superchargers & turbos as well as tuning for stock BMW turbos (N54 motor - 135i / 335i / 535i). Force-fed discussion to make your car go faster

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  #1  
Old 10-28-2007, 03:18 PM
graystone graystone is offline
ED 335I silver sport
Location: The World
 
Join Date: Mar 2007
Posts: 107
Mein Auto: 335i sport
G-tech weight and pitch survey..for our consistents

I drive a 335I sedan manual sport and have put into the G-tech a weight of 3600 for car 200lbs for me and 100lbs for gas total 3900. Is this close to what you guys have been putting into you computer. And with the sport i put in a pitch factor of 1.5.
My runs have been around 5.15 0-60 best so far of 5.14 and one totally crazy run 1/4mile12.56nooooowayyyyy I figure its fall and i must have had a bigg wind behind me anyway the other times have been pretty consistent.
I'd like to be a accurate as possible and I know you guys out there do to.
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  #2  
Old 10-28-2007, 08:47 PM
VIPERRACING VIPERRACING is offline
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Location: mich
 
Join Date: May 2007
Posts: 22
Mein Auto: dodge viper, corvette, bm
you dont need to do all that unless you want to roughly find out what your h.p. is. G-tech will give you correct acceleration times(give or take a tenth) without any extra info.
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Old 10-31-2007, 01:13 PM
Terry @ BMS's Avatar
Terry @ BMS Terry @ BMS is offline
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Location: terry@burgertuning.com
 
Join Date: Apr 2007
Posts: 1,694
Mein Auto: Turbo BMWs
Skip the weight, but make sure the unit is level, your road is level and free of bumps. The gtech pro can be very accurate or it can be way off, so best to do back to back runs going both ways on the same road to verify. To say a car runs 12.8 for example it should be able to do that all day long, not just get one lucky run.
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Old 11-02-2007, 08:05 AM
graystone graystone is offline
ED 335I silver sport
Location: The World
 
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Mein Auto: 335i sport
Thanks for the advise terry... wow you are all over the boards, and I appeciate the input.
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