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02-27-2010, 11:02 AM | #1 |
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Engine tuning, characteristics and and financial criterias
hi,
now, from the characteristics I would say, stroke this engine. This will be $23K plus other hardware like charge pipe and enhanced throttle bodies plus installation. probably you end up with $30K. will provide 500 hp, safe. my favourite supercharger would be g-power stage I ( 3psi only, intercooled ). provides 500 hp as well for $13 - 14K installed. tune has yet to justify to be reliable. ecu-tune and some bolt-on hardware. This will provide 460 - 470 hp for $ 7-8K. basicly ecu-flash, at least high-flow primary catalysts, charge-pipe and filter, maybe other exhaust mods and / or pulley. tune should be reliable. now, is it worth the additional 30 hp (BTW, the numbers are crank) to pay + $7K (g-power) or + $23K (dinan) to get them ? in general i tend to say the V8 in the M3 should keep natural aspirated. i also dislike the whining you can hear with ESS supercharger systems (youtube) and don't know about g-power noise emissions. driving characteristics should be comparable to stock, just stronger. what are your opinions ? thanks for your feedback. eugen. |
02-27-2010, 11:09 AM | #2 |
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Well the GPower kit is very nice.
its actually very quite until you turn the M mode on . this is a result to the intake changing places not because of the charger. the drive is very much like an NA car just with massive amounts of torque added. I think the only downside is that the car heats up faster but that to me is about all. I think everyone should get a S/C kit it makes the car way more fun.
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02-27-2010, 11:38 AM | #3 | |
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how did you manage to get rid of the orange color ? g-power will not make the kit for me in a different color like black, it's their corporate identity . eugen |
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02-27-2010, 11:45 AM | #4 | |
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I would recommend ESS via IND if you do not like your NA car! Ask for Nate or Ilia and tell them my regards. They will give you a good quote Ralf |
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02-27-2010, 12:01 PM | #7 |
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how ? their stage I comes without intercooler, higher PSI ( > PSI = > heat ) and stage II will never have a chance to be homologated here ( in Switzerland stock power +20% is basicly fine, still has to be approved and i don't want to deal with regular checks, insurance- or street-legal issues ).
in addition, the ESS solution makes noise i never expected. ever heared a Mini Cooper S supercharger sound like this ? |
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02-27-2010, 02:51 PM | #8 | |
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Powerchip Stage III ECU Flash is supposed to give +40WHP in the tune alone - I just got it and although I haven't dyno'ed it, it definitely feels a LOT faster, especially up in the high RPMs (below is a comparison between the two using ECU logging, which incorporates the "Actual Torque" value logged by the ECU, note the modified car also had BMC air filter, charge pipe and air scoops added)... |
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02-27-2010, 03:31 PM | #13 | |
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02-27-2010, 03:50 PM | #14 |
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When I saw this thread I had to check the address to make sure I wasn't on e90. +1 for Powerechip software. Also, check PencilGeek's sticky for more info.
Welcome here Eugen. What took you so long to convert to n/a?
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02-27-2010, 04:35 PM | #15 |
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I have the ESS and i dont mind the whine its not as loud as the videos make it seem ,
+ if your looking for one of the most reliable SC'd Kits available ,ESS is the way to go !! |
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02-27-2010, 06:50 PM | #16 | |
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I like how G-power performance so far. I mean with my set up right now I still have the fastest 6MT 60-130 ( except for PGs stroker S/C). So seems pretty good. But this may only be because ESS and Gintani have not put up their times yet. so I am still waiting .... but anyways I am happy with my time so far.
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02-27-2010, 07:40 PM | #17 | |
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02-27-2010, 07:55 PM | #18 |
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someone local or in the tri state area with a Vbox PM me , i'll see what mine does , On the BMW performance steering wheel i trap a 9 sec run with a passenger ( 210lbs) and a full tank of gas & trunk full of kitchen hardware weighing around 150 lbs ..
So im almost certain ill hit the high 8's FYI im not buying one cause i just ordered 11k worth of goodies for the car ( stay tunned ) |
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02-27-2010, 10:35 PM | #19 | |
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Past: Gintani stage3 M3, Cayman GTS present: Porsche 993RWB, 964RS America,996 cupcar, 964 turbo 3.6,Macan Turbo,997GT2,930 turbo,i3, MINI JCW |
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02-28-2010, 02:25 AM | #20 | |
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Here's a graph of Mass Air Flow vs Engine RPM for the same two comparisons (stock vs Powerchip Stage III + Envy Charge Pipe + Scoops + BMC Filter) which tells a similar story - basically 15% more air flow at redline... Note the Y axis is the raw output of the Bavarian Tech tool - not sure what formula is used to convert this to a measurement unit such as g/s or similar, but the most important thing here is the comparison between stock and modified... |
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02-28-2010, 02:37 AM | #21 |
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I saw the first dyno chart of this software - unfortunately I can't publish it as I accidentally deleted the email (and Powerchip asked me not to as well) but it confirmed +40WHP on a Dyno Dynamics (rolling road) dyno in Australia.
I've already had the older Powerchip tune which has many times been shown to generate +20WHP or so and the new tune feels similar up until about 5500-6000RPM, where the car now just accelerates really hard. The car is breaking traction considerably on the 2nd to 3rd gear change (DCT) with traction control off in dry weather on good surface. The extra power in the new tune apparently comes from some changes in the VANOS mapping - the car almost gets a VTEC like feeling... Only one problem though - I am getting a CEL sometimes due to torque limits being reached - but easy enough for Powerchip to increase these... |
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02-28-2010, 02:44 AM | #22 | |
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If you take the rule of thumb that 0.8 g/s = 1HP, this would suggest the stock car was making around 400HP and the modified car was making just over 450HP... |
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