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08-25-2012, 12:50 PM | #706 |
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Cut-outs update
There is a silicone o-ring that seals these in when closed, that ripped on both sides and got in the way of them closing fully. Obviously it started sounding like shit. Thankfully the exhaust shop took the car in, cut off the protruding o-ring pieces that were around the valves, and even fitted a custom gasket on the 2 pieces that are bolted together on this kit. Now, they fully close again, and sound almost stock when closed. When open, at full throttle, it is pretty raspy. BUT, I found that they sound really good at partial throttle, tooling around town. Has that exotic "hollow" sound to it that is very hard to get. I use open them 50% of the time I'm driving around. The most fun is to blast them open and rev the engine up when you're under a bridge, or surrounded by buildings which reflect the sound (coming out sideways on each side) Overall I'd say this mod was worth it. Still waiting to hear from AEM about replacing my meth kit's controller box. I'd like to get that fixed before I hit the dyno again. at the dyno, I'll do 4 runs: 1. no meth, exhaust closed 2. no meth, exhaust valves open 3. meth flowing, exhaust closed 4. meth flowing, exhaust open
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08-25-2012, 01:03 PM | #707 |
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tom jaws motorsport have released an s54 kit using our blower ( the paxton version, its indentical, basically a v3si relabelled for the Vortech owned paxton), im following it on the B i M M e R B os t forum in the s54 section, take a quick look when you get chance, these guys are running 11.5psi on the BASE kit!!! 515rwhp on 98octane, they've pushed the stock motor up to 14.5psi and got 580rwhp!!!!!!! im so pleased to see these centri kits can make the power we want ;-) From what im seeing our kit isnt even tickling this motors belly, now ive got the main components on the car in place....
its time for more power.... fuck it!! Interestly..... they reckon catless for our setups yields very decent power gains, from the pm i got they reckon 15-20hp easily, not to mention lower EGTs. i hope AEM sort you out... they really need to..... did you get the older kit or the newer style one with the recirc pump??
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08-25-2012, 01:06 PM | #708 |
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rabbits cars back in the photo section..... lots of new bit and really looking well!!! im abit sad were loosing the pioneering s/c members, fr8tdog was awesome then just dissappeared?? Rabbit, again lots of mods ect ect... and sadly went very quiet.....
tom if you ever sell your car.... i will hunt you down!!
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08-25-2012, 01:59 PM | #709 | |
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I was offered to go catless by the guys who did my exhaust cutouts, but I'm worried about tuning being thrown off not sure if I have the older kit...probably.
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08-25-2012, 02:00 PM | #710 | |
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08-25-2012, 03:00 PM | #712 | |
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arhh tom yee have little faith..... forget the tuning, what im getting at is the level of power the thing made @ certain boost.... these centri kits are 12-15psi are making turbo power. ess will happily sell is the pullies/tune and our hardware looks better than the jaws setup with our CAI, bpv setup..... i think i need to take a leaf out of your book and chill out on the mods, money is tight and business is slow.....modding is like a drug, and im the junkie.... i need my fix but i need a bigger hit each time :-( im doomed!
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08-26-2012, 01:54 PM | #713 | |
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ESS didn't seem to happy about a 550 upgrade here stateside, according to my shop.. Anyway, I'll probably wait a few years, and then go big with a standalone proefi + 15psi or something
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08-26-2012, 01:56 PM | #714 |
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So glad I invested in a BMW cover. fits so well, and even has a clear window for the license plate. I love how sexy the lines look when its wet. Hoping this tropical storm won't hurt it :/
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08-26-2012, 03:33 PM | #715 |
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^^^^^^^
yup youve got it bad...... going out in the rain to take a pic of the car under its cover = a man that loves his car!!
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08-27-2012, 06:13 AM | #717 |
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Good luck with the storm Tom.... Hope car survives ok. From what I saw it looked pretty rough.
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08-27-2012, 06:05 PM | #718 |
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yeah we had about 10" of rain. crazy. thankfully no flooding in my neighborhood. Car was fine, and thanks to my strap, the cover held on fine in the strong winds.
There was a tornado about 45 minutes away though.
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09-14-2012, 09:34 PM | #719 |
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Great build!
I can't imagine what this kind of power feels like in such a small car like the Z4M! I'm excited to see your results. My friend just had his VT2-500 E46 M3 custom tuned by Evolve and he is very pleased with the results thus far. It's nice to see you guys pushing this platform to the max!
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09-15-2012, 11:18 AM | #720 | |
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Evolve re-tuned your friend's ESS kit? Do you know if he uses the MAF sensor or the (AIT?) sensor? I'd like to bump up my power someday
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09-15-2012, 06:34 PM | #721 | |
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Evolve just used their own supercharger tune. Here's one build thread of a guy who originally had the VT1-455 and made his own "VT2-500" : http://www.m3forum.net/m3forum/showthread.php?t=419360 Here's my friends build:http://www.m3forum.net/m3forum/showthread.php?t=403447 Both tuned by Evolve. My friend, 'normcaldwell', put down an impressive 439whp and 304wtq after several runs on the dyno, 91 Octane, and in the incredibly thin air of Colorado. I've seen DynoJet SAE graphs of other VT2-500 independently dyno'd and put down aroun 400whp with the ESS Tune.
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09-15-2012, 07:17 PM | #722 | |
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I know ESS tunes are conservative for the superchargers, to ensure reliability. Good to know that there's someone who can "edit" their tunes. I'd really like to get 500rwhp on stock compression
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09-15-2012, 07:29 PM | #723 | |
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I have another friend with a VT2-550 on his E46 M3 put down around 485whp if I recall. He also has a full Supersprint Stepped Headers, SPipe, XPipe, and Race Muffler. I think 500whp is definitely achievable with more boost, retune, and meth! It's all about having monster 500whp and having it consistently with meth
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09-16-2012, 03:39 AM | #725 |
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now this is interesting :-) tom this totally changes the ball game for you imo.... you can now have vt- whatever you want..... obviously with hardware work!
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09-16-2012, 07:39 AM | #726 |
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i need to register on that forum and say hello.... ive never seen so many s/c installation questions, mods and general home building of addition power ect ect... very cool section! i have found a new home!!
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