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03-05-2013, 01:31 PM | #23 |
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If the C63 used the same 4.0 motor the M3 does it would need to be built also to make 750+ HP. The two platforms are very different. Much easier to make that level of power with a 6.3. We have two C63 AMG cars one is a black series and they can make very high power with the stock motor. Very impressive cars with boost.
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03-05-2013, 01:33 PM | #24 | |
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03-05-2013, 01:42 PM | #25 | |
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A stock motor Supercharged M3 will not safely make 670whp SAE on a dynojet no matter how much octane or boost you throw at it, maybe a dyna pack it can come close, as I made 650whp with the VT625 on that type of dyno, lol. There is not enough fuel to run 11psi or an E85 mix and the motor would grenade in no time, but cleary there is a HUGE gap performance wise between a VT2 and VT3, just as there is on the Weistec Stage 2 vs. Stage 3. As far as "built" I guess you could say that the specific Weistec Stage 3 that was in the vid has a built motor too, as it has the SLS internals with forged pistons. The only upgrades I have are simple drop in LC pistons, and rods, which actually lowers power, no boring out of the block or sleeving which costs more and can weaken it, and from what I've read and people I've talked too, those with sleeved motors burn excessive oil vs. keeping the stock block untouched and using the OEM piston manufacture to make the LC pistons. FWIW my car with the drop in pistons has not burned any oil I can't say the same about my friends with sleeved blocks. The major reason to do the the drop in pistons, rods and bearings is so I can run more boost and timing safely, that's the difference, as well as more fuel with the upgraded fuel system, which is essential once you get past 600whp. I wonder how much boost that Stage 3 is running, my buddies Weistec Stage 2 was running 7-8psi I believe. Either way I'm really impressed with those cars, there will be a 1000HP Weistec C63, built motor, at the shift-s3ctor event, he's a good friend, I'll run him, but I doubt I have much of a chance. It would be a fun run if the 800HP Stage 3 was able to go.
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16 F82 M4 DCT - ZCP - JB4 - 556WHP / 570WTQ
08 E92 M3 DCT - Bolt Ons - 60-130MPH 10.71s - 11.88 @ 118MPH - 377WHP ESS VT2-625 SC 60-130MPH 6.80s - 11.30 @ 129.3 MPH 586WHP / 379WTQ ESS VT3-750 - 60-130MPH 6.14s - 10.81 @ 135.13 MPH 690WHP/463WTQ Shift-S3ctor E92 M3 - 1/2 Mile Trap Speed WR - 174.13 MPH Last edited by DLSJ5; 03-05-2013 at 02:14 PM.. |
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03-05-2013, 01:43 PM | #26 |
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Easy kill, we should have a tuned M5 at the shift-s3ctor event.
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16 F82 M4 DCT - ZCP - JB4 - 556WHP / 570WTQ
08 E92 M3 DCT - Bolt Ons - 60-130MPH 10.71s - 11.88 @ 118MPH - 377WHP ESS VT2-625 SC 60-130MPH 6.80s - 11.30 @ 129.3 MPH 586WHP / 379WTQ ESS VT3-750 - 60-130MPH 6.14s - 10.81 @ 135.13 MPH 690WHP/463WTQ Shift-S3ctor E92 M3 - 1/2 Mile Trap Speed WR - 174.13 MPH |
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03-05-2013, 01:47 PM | #27 | |
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03-05-2013, 01:56 PM | #28 |
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These comparo runs are sweet it really shows off the difference of the VT3 compared to a VT2 ... sick idea. I do think it would be a amazing race against the Weistec 63 AMG
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03-05-2013, 02:00 PM | #29 |
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Thanks man, 11psi on a 11.3:1 CR motor with forged pistons is probably okay, but I wouldn't do it on 91, either way that car moves out, thanks for posting the vid.
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16 F82 M4 DCT - ZCP - JB4 - 556WHP / 570WTQ
08 E92 M3 DCT - Bolt Ons - 60-130MPH 10.71s - 11.88 @ 118MPH - 377WHP ESS VT2-625 SC 60-130MPH 6.80s - 11.30 @ 129.3 MPH 586WHP / 379WTQ ESS VT3-750 - 60-130MPH 6.14s - 10.81 @ 135.13 MPH 690WHP/463WTQ Shift-S3ctor E92 M3 - 1/2 Mile Trap Speed WR - 174.13 MPH |
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03-05-2013, 02:25 PM | #30 |
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Here's my compilation of runs against three very different AMG's last Saturday:
Run 1 vs stock 2013 C63 with Power pack Run 2 vs Stage 2 blown C63 Run 3 vs Stage 3 blown C63
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03-05-2013, 02:56 PM | #32 |
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I asked Jim (the owner of the C) if he could make Shift Sector. He lives in the mid-west but he said his car will be here for another few weeks.
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03-05-2013, 03:37 PM | #33 |
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The bottom line is you do not have to yank the motor out and replace the internals to get this kind of power.. we can always whine about displacement, compression etc... not being even..
How much are you VT3 guys paying for the engine modifications / labor (rods, pistons, etc??) to handle the extra boost? |
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03-05-2013, 04:38 PM | #34 | |
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http://www.weistec.com/m156scs3.html The upgraded internals on the S65 are not just to handle the additional boost/timing, but to safely make 640whp on 91 octane pump gas and not worry about blowing up an engine. There's more to it than simply saying you can make this much power on the stock internals, reliability and what fuel you have available is also a big factor too, and those that are DCT need to think about their transmission. I could make more power with my setup, but I'm not sure the DCT could handle the power. You can make good power on the stock S65 as well, but at levels above 8+psi, it will probably not last long on ANY octane or god like tune, especially with hard driving, that's the bottom line as well.
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16 F82 M4 DCT - ZCP - JB4 - 556WHP / 570WTQ
08 E92 M3 DCT - Bolt Ons - 60-130MPH 10.71s - 11.88 @ 118MPH - 377WHP ESS VT2-625 SC 60-130MPH 6.80s - 11.30 @ 129.3 MPH 586WHP / 379WTQ ESS VT3-750 - 60-130MPH 6.14s - 10.81 @ 135.13 MPH 690WHP/463WTQ Shift-S3ctor E92 M3 - 1/2 Mile Trap Speed WR - 174.13 MPH Last edited by DLSJ5; 03-05-2013 at 04:48 PM.. |
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03-05-2013, 05:51 PM | #35 | |
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03-05-2013, 06:05 PM | #36 |
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03-05-2013, 07:04 PM | #37 |
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Wow, that C63 moves. It will really shine in the 1/4 mile with all that torque. If you're going to spend 140k on that car, I'd say for ~16k you can't go wrong with that setup at all.
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03-05-2013, 08:40 PM | #38 |
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No Bro,Those C63s with built motors are crazy fast. Building a 6.2 motor isnt like building our 4.0 motors but i would love to see it run a 4.6 strocker VT3 motor.It would be an interesting run !
I might be building one of those soon,my car feels slow |
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03-05-2013, 09:06 PM | #39 | |
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Yea I know it uses the SLS internals.. but the nice part about it is that it comes that way from the factory. regarding your 2nd paragraph.. I mean really? didnt you see my response saying "how long this engine will last is for a different debate" That shit is common sense bro. No need to explain that to me. The boss 302 seems to be most enticing for me. Forged internals from the factory with 750-900whp potential. If you blow it up, it will not cost you a fortune to rebuild. |
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03-05-2013, 10:54 PM | #40 | ||
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I like that car too, it's a lot easier to mod for big power from the factory, but RWD is always a bitch with big power.
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16 F82 M4 DCT - ZCP - JB4 - 556WHP / 570WTQ
08 E92 M3 DCT - Bolt Ons - 60-130MPH 10.71s - 11.88 @ 118MPH - 377WHP ESS VT2-625 SC 60-130MPH 6.80s - 11.30 @ 129.3 MPH 586WHP / 379WTQ ESS VT3-750 - 60-130MPH 6.14s - 10.81 @ 135.13 MPH 690WHP/463WTQ Shift-S3ctor E92 M3 - 1/2 Mile Trap Speed WR - 174.13 MPH Last edited by DLSJ5; 03-05-2013 at 11:28 PM.. |
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03-05-2013, 11:52 PM | #41 |
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I'm personally not to impressed with Wiestec stage 3 , it barley walked a Vt625 .... Heck a vt650 would have made the Benz look less impressive.
Now the Delta between the 625 vs the Vt3 that's impressive , built motor or not that shit put a foot ball field on the vt625 , and if I remember correctly the Vt3 had boost leaks at this particular event. Hopefully we can see a match up between wiestec and the Vt3 M |
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03-06-2013, 12:30 AM | #42 |
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I was honestly expecting a SC C63 to be > a SC M3...this vid was pleasantly surprising!
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03-06-2013, 12:57 AM | #43 | |
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03-06-2013, 06:04 AM | #44 | ||
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