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BMW 3-Series (E90 E92) Forum
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eCharge Turbo Supercharger for all BMW
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12-23-2010, 04:52 PM | #155 |
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WHAT??!?!?!?!! Last time I checked a dump truck moving at 100 mph moves the same speed as a motorcycle traveling 100 mph...... Therefore weight has nothing to do with how fast your car is moving, when its going 100 mph. I feel dumber for having read your posts. Is there a block button on this forum because I haven't found one..... Last edited by micah_675; 12-23-2010 at 04:59 PM.. |
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12-23-2010, 05:00 PM | #156 | |
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Again Euro, what mph gain do you estimate a 100 lbs drop will have for a 1/4 mile run? |
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12-23-2010, 05:06 PM | #157 |
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Do u not understand English ? I said roughly 100lbs will shave off a tenth of a second on a quarter mile run . I don't know what you or I run in a quarter mile . I didnt answer you cuz what you asked doesn't make sense . It's too vague of a question .
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12-23-2010, 05:13 PM | #158 |
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A 1/4 mile run can also be measured by mph just like the test that guy did. Is it clear now?
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12-23-2010, 05:19 PM | #159 |
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Still too vague , what about his 60' times , reaction time , weather , shifting points and reactions . Many variables come into play like humidity , tire traction etc . I know how a 1/4 can be measured. Is it clear to you know ? And it wasn't a quarter mile n00b , did you go to that street in person and measure ? Nope you didnt . End of story
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12-23-2010, 05:24 PM | #160 | |
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12-23-2010, 05:37 PM | #162 | |
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Do you agree? |
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12-23-2010, 05:51 PM | #163 |
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if car A is 10k pounds and car B is 2k pounds , X amount shaved off equals Z amount Regardless of the weight of the car . And no , it's not @ the wheels lol cuz your not making power , your car is reacting to the weight reduction and it's not 15hp per 100lbs , but I know what your trying to say .
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12-23-2010, 06:16 PM | #164 | |
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We know we can drop the weight at the wheels to be the equivalent of up to 300lbs, we also know stock for stock, the 328 is 230 lbs less than a 335. Put the two together, the 328 has the equivalent of an added 50 hp. micah_675 told us with the kind of mods I mentioned he could bring the stock 328 hp up to as many as 265 hp, add 50 you get to the level of a STOCK 335. Does that make sense? |
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12-23-2010, 06:36 PM | #165 |
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I know what you have been saying , the problem like I told you before is the powerband and gearing . Example car A makes 100whp @ 3k rpms and car B mKes 100whp @ 2k rpms . Also depends how tall or short the gears are as well ... Shorther gears will get you flying thru your powerband . Also its important to transfer the power to the ground from the wheels so being super light isn't always the best option as well . I know what you are trying to compare and say but our cars would need some really good power @ wheels and good weight reduction to be neck to neck with a stock 335 .
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12-23-2010, 06:44 PM | #166 | |
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I don't recall the 335 powerband very different than the 328's though, I know 335is can get peak hp at lower RPM like 1750. As far as gear ratio, how much difference are we talking about? Neither models have LSD. |
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12-23-2010, 06:56 PM | #167 |
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Well I don't know specifics on either cars cuz I have not looked into them but I'm assuming a twin turbo is gonna respond faster due to turbos spooling very fast and the trq curve will be instant And you can brake boost as well , I'm just speaking from experience of turbo cars but not particulary the 335 . Again as far as gears I don't know , and a LSD is not a gear In the trans. I was pointing out major factors to look into as well rather then just power/weight ratio as powerband and gearing is very important Too ..
Last edited by Das.Euro; 12-23-2010 at 07:11 PM.. |
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12-23-2010, 09:17 PM | #168 | |
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The 328i starts to peak at 2750 RPM, although I don't know how the PBX map3 might impact the boost, we know it is 100% mapping, meaning half the time to reach peak torque compared to stock. |
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12-23-2010, 09:45 PM | #169 | |
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Would losing enough weight at the wheels also cause the 328i wheels to spin? |
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12-23-2010, 09:58 PM | #170 |
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328 will be fine , worse case scenario is running full blown Mickies aka race slicks . But with the mods currently out there street tire is perfectly fine . Only way I can see issues for a 328 is for 1. Nos or 2. Turbo/supercharger setup .
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12-23-2010, 10:15 PM | #171 |
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The most extreme mod I can see doing on my 328 will be the manifold swap and tune, if one has to go the above two, might as well get a 335. Just my own view, not in anyway saying those who want to do the above two should not do them. Since BMW will use a higher powered I6 in the new gen NA 3 (F30), it will be interesting to see how it will react to the mods and tunes.
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12-24-2010, 06:48 AM | #173 |
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what is this garbage.. contribution: 0.
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12-24-2010, 07:53 AM | #174 |
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12-24-2010, 09:39 PM | #175 |
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I said this shit like 5 years ago when this thread started, where you been?
Seriously, this thread needs to die. So shut up, and carry on in PM's for f$%# sake. Merry Christmas.
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12-25-2010, 09:54 AM | #176 | |
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Some people don't understand sarcasm. |
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